/* =========================================================
   Page Loader — Refined
   Subtle, layered, on-brand violet
   ========================================================= */
.sf-loader {
  position: fixed; inset: 0;
  z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  background:
    radial-gradient(900px 600px at 50% 35%, rgba(124,58,237,.07), transparent 70%),
    radial-gradient(700px 500px at 50% 90%, rgba(155,107,255,.05), transparent 70%),
    #ffffff;
  transition: opacity .7s cubic-bezier(.4,0,.2,1), visibility .7s;
  overflow: hidden;
}
.sf-loader.is-hidden { opacity: 0; visibility: hidden; pointer-events: none; }
html.sf-loading body { overflow: hidden; }

/* Faint grid texture for depth (uses gradients, no images) */
.sf-loader::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(124,58,237,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124,58,237,.045) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask: radial-gradient(ellipse 60% 50% at 50% 50%, #000 30%, transparent 75%);
          mask: radial-gradient(ellipse 60% 50% at 50% 50%, #000 30%, transparent 75%);
  opacity: .6;
}

.sf-loader-inner {
  position: relative;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 28px;
}

/* Ring stage — contains rings + logo, perfectly centered */
.sf-stage {
  position: relative;
  width: 260px; height: 260px;
  display: flex; align-items: center; justify-content: center;
}

/* Soft glow halo (centered on the ring stage) */
.sf-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, rgba(155,107,255,.22), rgba(124,58,237,0) 65%);
  filter: blur(2px);
  animation: sf-halo 3.2s ease-in-out infinite;
  pointer-events: none;
}
@keyframes sf-halo {
  0%, 100% { transform: scale(.92); opacity: .55; }
  50%      { transform: scale(1.06); opacity: 1; }
}

/* Outer rotating gradient arc */
.sf-ring {
  position: absolute;
  width: 240px; height: 240px;
  border-radius: 50%;
  background: conic-gradient(from 0deg,
    rgba(124,58,237,0)   0deg,
    rgba(124,58,237,0)   140deg,
    rgba(155,107,255,.4) 220deg,
    #7c3aed              300deg,
    rgba(124,58,237,0)   360deg);
  -webkit-mask: radial-gradient(circle, transparent 116px, #000 118px, #000 120px, transparent 122px);
          mask: radial-gradient(circle, transparent 116px, #000 118px, #000 120px, transparent 122px);
  animation: sf-spin 2.4s cubic-bezier(.5,0,.5,1) infinite;
  filter: drop-shadow(0 0 14px rgba(124,58,237,.25));
}
/* Inner counter-rotating thin arc */
.sf-ring-inner {
  position: absolute;
  width: 180px; height: 180px;
  border-radius: 50%;
  background: conic-gradient(from 180deg,
    rgba(124,58,237,0)   0deg,
    #9b6bff              60deg,
    rgba(124,58,237,0)   120deg);
  -webkit-mask: radial-gradient(circle, transparent 87px, #000 88px, #000 89px, transparent 90px);
          mask: radial-gradient(circle, transparent 87px, #000 88px, #000 89px, transparent 90px);
  animation: sf-spin-rev 2s linear infinite;
  opacity: .8;
}
@keyframes sf-spin     { to { transform: rotate(360deg); } }
@keyframes sf-spin-rev { to { transform: rotate(-360deg); } }

/* Orbiting dots */
.sf-orbit {
  position: absolute;
  width: 240px; height: 240px;
  animation: sf-spin 6s linear infinite;
  pointer-events: none;
}
.sf-orbit i {
  position: absolute;
  width: 7px; height: 7px;
  border-radius: 50%;
  top: -3px; left: 50%;
  transform: translateX(-50%);
  background: #7c3aed;
  box-shadow: 0 0 14px rgba(124,58,237,.6);
}
.sf-orbit i:nth-child(2) {
  top: auto; bottom: -3px;
  background: #9b6bff;
  opacity: .85;
  box-shadow: 0 0 12px rgba(155,107,255,.6);
}
.sf-orbit i:nth-child(3) {
  top: 50%; left: -3px;
  transform: translateY(-50%);
  width: 5px; height: 5px;
  background: #c4b5fd;
  opacity: .85;
}

/* Logo + subtle shimmer sweep */
.sf-loader-logo-wrap {
  position: relative;
  display: inline-block;
  animation: sf-fade-up .7s cubic-bezier(.2,.8,.2,1) both;
}
.sf-loader-logo {
  position: relative;
  width: 150px; height: auto;
  display: block;
  animation: sf-float 3.2s ease-in-out infinite;
}
.sf-loader-logo-wrap::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(110deg,
    transparent 30%,
    rgba(255,255,255,.85) 50%,
    transparent 70%);
  -webkit-mask: url('../assets/logo.png') center/contain no-repeat;
          mask: url('../assets/logo.png') center/contain no-repeat;
  mix-blend-mode: screen;
  animation: sf-shimmer 2.6s ease-in-out infinite;
  pointer-events: none;
}
@keyframes sf-fade-up { from { opacity: 0; transform: translateY(8px) scale(.98); } to { opacity: 1; transform: none; } }
@keyframes sf-float   { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-3px); } }
@keyframes sf-shimmer {
  0%   { transform: translateX(-120%); opacity: 0; }
  20%  { opacity: 1; }
  60%  { transform: translateX(120%); opacity: 1; }
  100% { transform: translateX(120%); opacity: 0; }
}

.sf-loader-tag {
  position: relative;
  margin: 0;
  font-family: 'Space Grotesk', sans-serif;
  font-size: .72rem;
  letter-spacing: .55em;
  text-transform: uppercase;
  color: transparent;
  background: linear-gradient(90deg, #6d28d9, #9b6bff, #6d28d9);
  background-size: 200% 100%;
  -webkit-background-clip: text;
          background-clip: text;
  animation: sf-fade-up .8s ease .2s both, sf-tag-shine 3s linear infinite;
  padding-left: .55em; /* compensate trailing letter-spacing */
}
@keyframes sf-tag-shine { to { background-position: -200% 0; } }

/* Thin progress bar */
.sf-loader-bar {
  position: relative;
  margin: 0;
  width: 180px; height: 2px;
  border-radius: 999px;
  background: rgba(124,58,237,.10);
  overflow: hidden;
  animation: sf-fade-up .8s ease .3s both;
}
.sf-loader-bar span {
  display: block; height: 100%; width: 40%;
  background: linear-gradient(90deg, transparent, #7c3aed 30%, #9b6bff 70%, transparent);
  border-radius: inherit;
  animation: sf-bar 1.6s cubic-bezier(.65,0,.35,1) infinite;
}
@keyframes sf-bar {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(360%); }
}

/* Exit animation when hiding */
.sf-loader.is-hidden .sf-loader-inner { transform: scale(.96); transition: transform .6s ease; }

@media (prefers-reduced-motion: reduce) {
  .sf-ring, .sf-ring-inner, .sf-orbit, .sf-loader-logo,
  .sf-loader-bar span, .sf-stage::before, .sf-loader-logo-wrap::after,
  .sf-loader-tag { animation: none; }
}

@media (max-width: 480px) {
  .sf-stage { width: 220px; height: 220px; }
  .sf-ring { width: 200px; height: 200px;
    -webkit-mask: radial-gradient(circle, transparent 96px, #000 98px, #000 100px, transparent 102px);
            mask: radial-gradient(circle, transparent 96px, #000 98px, #000 100px, transparent 102px);
  }
  .sf-orbit { width: 200px; height: 200px; }
  .sf-ring-inner { width: 150px; height: 150px;
    -webkit-mask: radial-gradient(circle, transparent 72px, #000 73px, #000 74px, transparent 75px);
            mask: radial-gradient(circle, transparent 72px, #000 73px, #000 74px, transparent 75px);
  }
  .sf-loader-logo { width: 120px; }
}

/* =========================================================
   Siffrum Analytics — Light Theme
   Palette: white + dark ink text, with very subtle violet
   gradients matching the Siffrum logo (#7C3AED family)
   ========================================================= */

:root {
  /* Surfaces */
  --bg: #ffffff;
  --bg-soft: #fafaff;        /* faint violet-white */
  --bg-muted: #f5f4fb;
  --surface: #ffffff;
  --line: #ececf3;
  --line-strong: #dedce8;

  /* Text */
  --text: #14132a;           /* near-black with violet hint */
  --text-dim: #4a4962;
  --muted: #7c7b90;

  /* Brand — sampled from Siffrum logo */
  --brand: #7c3aed;          /* primary violet */
  --brand-2: #9b6bff;        /* lighter violet */
  --brand-3: #6d28d9;        /* deeper violet */
  --brand-ink: #4c1d95;      /* darkest accent */

  /* Very subtle gradients — low saturation washes */
  --grad-primary: linear-gradient(135deg, #7c3aed 0%, #9b6bff 100%);
  --grad-wash:    linear-gradient(180deg, #faf8ff 0%, #ffffff 60%);
  --grad-hero:
    radial-gradient(600px 340px at 12% 10%, rgba(124,58,237,.10), transparent 65%),
    radial-gradient(520px 320px at 90% 0%, rgba(155,107,255,.08), transparent 65%),
    radial-gradient(700px 380px at 50% 110%, rgba(124,58,237,.06), transparent 60%);
  --grad-soft:    linear-gradient(135deg, rgba(124,58,237,.08), rgba(155,107,255,.05));
  --grad-text:    linear-gradient(90deg, #7c3aed 0%, #9b6bff 100%);

  --radius: 14px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 10px rgba(76, 29, 149, .06);
  --shadow: 0 14px 40px rgba(76, 29, 149, .10);

  --container: 1200px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

h1,h2,h3,h4,h5 { font-family: 'Space Grotesk', 'Inter', sans-serif; letter-spacing: -.02em; line-height: 1.15; margin: 0 0 .4em; color: var(--text); }
h1 { font-size: clamp(2.2rem, 4.6vw, 3.8rem); font-weight: 700; }
h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 600; }
p { margin: 0 0 1em; color: var(--text-dim); }
.muted { color: var(--muted); }

.gradient-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* =========================
   Nav
   ========================= */
.nav-wrap {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(160%) blur(10px);
  -webkit-backdrop-filter: saturate(160%) blur(10px);
  background: rgba(255,255,255,.82);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 74px; gap: 16px; }
.nav-actions { display: none; align-items: center; gap: 10px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -.01em; }
.brand-logo { height: 30px; width: auto; display: block; }
.brand-sub {
  font-family: 'Space Grotesk', sans-serif;
  font-size: .78rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
  padding-left: 10px;
  margin-left: 4px;
  border-left: 1px solid var(--line-strong);
}

.nav-links { display: flex; align-items: center; gap: 28px; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--text-dim); font-size: .95rem; font-weight: 500; transition: color .2s; }
.nav-links a:hover, .nav-links a.active { color: var(--brand); }
.nav-links a.active { position: relative; }
.nav-links a.active::after{
  content:""; position:absolute; left:0; right:0; bottom:-10px; height:2px;
  background: var(--grad-primary); border-radius: 2px;
}

.nav-toggle { display:none; background:transparent; border:0; width:40px; height:40px; cursor:pointer; }
.nav-toggle span { display:block; width:22px; height:2px; background:var(--text); margin:5px auto; border-radius:2px; transition: .3s; }

/* =========================
   Buttons
   ========================= */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 22px; border-radius: 999px; font-weight: 600; font-size: .95rem; border: 1px solid transparent; cursor: pointer; transition: transform .15s ease, box-shadow .2s ease, background .2s, color .2s, border-color .2s; }
.btn-sm { padding: 9px 16px; font-size: .88rem; }
.btn-lg { padding: 14px 28px; font-size: 1rem; }
.btn-primary { background: var(--grad-primary); color: #fff; box-shadow: 0 10px 24px rgba(124,58,237,.28); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 14px 30px rgba(124,58,237,.38); }

/* Nav CTA — extra visibility */
.nav-links .btn-primary,
.nav-actions .btn-primary {
  position: relative;
  padding: 10px 18px;
  box-shadow: 0 6px 18px rgba(124,58,237,.35), 0 0 0 0 rgba(124,58,237,.45);
  animation: sf-cta-pulse 2.4s ease-in-out infinite;
}
.nav-links .btn-primary::after,
.nav-actions .btn-primary::after {
  content: "→"; margin-left: 4px;
  transition: transform .2s;
}
.nav-links .btn-primary:hover::after,
.nav-actions .btn-primary:hover::after { transform: translateX(3px); }
@keyframes sf-cta-pulse {
  0%, 100% { box-shadow: 0 6px 18px rgba(124,58,237,.35), 0 0 0 0 rgba(124,58,237,.45); }
  50%      { box-shadow: 0 6px 18px rgba(124,58,237,.35), 0 0 0 10px rgba(124,58,237,0); }
}
@media (prefers-reduced-motion: reduce) {
  .nav-links .btn-primary, .nav-actions .btn-primary { animation: none; }
}
.btn-ghost { color: var(--text); border: 1px solid var(--line-strong); background: #fff; }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); }

/* =========================
   Hero
   ========================= */
.hero { position: relative; padding: 100px 0 90px; overflow: hidden; background: var(--grad-wash); }
.hero-bg {
  position: absolute; inset: -10% -10% auto -10%; height: 110%;
  background: var(--grad-hero);
  z-index: 0; pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; text-align: left; max-width: 980px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 7px 14px; font-size: .82rem; color: var(--brand-3);
  border: 1px solid rgba(124,58,237,.18);
  border-radius: 999px; background: rgba(124,58,237,.06);
  margin-bottom: 22px; font-weight: 500;
}
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--grad-primary); box-shadow: 0 0 0 4px rgba(124,58,237,.12); }
.hero-title { margin-bottom: 18px; color: var(--text); }
.hero-sub { font-size: clamp(1rem, 1.25vw, 1.15rem); max-width: 720px; color: var(--text-dim); }
.hero-cta { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 12px; }

.hero-metrics { margin-top: 60px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.hero-metrics > div {
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.hero-metrics strong {
  display: block; font-family: 'Space Grotesk', sans-serif;
  font-size: 1.8rem;
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-metrics span { font-size: .86rem; color: var(--muted); }

/* =========================
   Sections
   ========================= */
.section { padding: 96px 0; position: relative; }
.section-head { max-width: 760px; margin: 0 auto 56px; text-align: center; }
.section-head.left { margin-left: 0; text-align: left; }
.kicker {
  display: inline-block; font-size: .76rem; letter-spacing: .2em;
  text-transform: uppercase; color: var(--brand); margin-bottom: 12px; font-weight: 600;
}

.trust {
  padding: 44px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg-soft);
}
.trust-label { text-align: center; color: var(--muted); font-size: .82rem; letter-spacing: .16em; text-transform: uppercase; margin: 0 0 18px; }
.trust-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 36px; color: var(--text-dim); font-weight: 600; font-size: .9rem; letter-spacing: .14em; }

/* =========================
   Grid + Cards
   ========================= */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  position: relative;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
  overflow: hidden;
}
.card:hover {
  transform: translateY(-4px);
  border-color: rgba(124,58,237,.35);
  box-shadow: var(--shadow);
}
.card-icon {
  width: 46px; height: 46px; border-radius: 12px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--grad-soft); color: var(--brand);
  margin-bottom: 16px;
  border: 1px solid rgba(124,58,237,.15);
}
.card-icon svg { width: 22px; height: 22px; stroke: currentColor; }
.card h3 { margin-bottom: 8px; color: var(--text); }
.card p { margin-bottom: 14px; }
.card-link { font-weight: 600; color: var(--brand); font-size: .92rem; }
.card-link:hover { color: var(--brand-3); }

/* =========================
   Steps / Approach
   ========================= */
.approach { background: var(--bg-soft); }
.approach .steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  position: relative;
  transition: border-color .25s, box-shadow .25s;
}
.step:hover { border-color: rgba(124,58,237,.3); box-shadow: var(--shadow-sm); }
.step-num {
  font-family: 'Space Grotesk', sans-serif; font-size: 1.7rem;
  background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent;
  display: block; margin-bottom: 10px; font-weight: 700;
}
.step h4 { margin: 0 0 6px; font-size: 1.05rem; color: var(--text); }
.step p { font-size: .92rem; }

/* =========================
   CTA band
   ========================= */
.cta-band { padding: 80px 0; }
.cta-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 28px; flex-wrap: wrap;
  padding: 48px;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(500px 200px at 10% 50%, rgba(124,58,237,.10), transparent 60%),
    radial-gradient(500px 200px at 90% 50%, rgba(155,107,255,.10), transparent 60%),
    #ffffff;
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-sm);
}
.cta-inner h2 { margin: 0 0 6px; }
.cta-inner p { margin: 0; color: var(--text-dim); }

/* =========================
   Footer
   ========================= */
.footer {
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
  padding: 64px 0 28px;
  margin-top: 40px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 30px; }
.footer h5 { margin: 0 0 12px; font-size: .78rem; letter-spacing: .18em; text-transform: uppercase; color: var(--brand); }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: 8px; }
.footer a { color: var(--text-dim); transition: color .2s; }
.footer a:hover { color: var(--brand); }
.footer-bottom { margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; font-size: .85rem; color: var(--muted); flex-wrap: wrap; gap: 10px; }

.social-row { display: flex; gap: 10px; margin-top: 18px; }
.social-row a {
  width: 38px; height: 38px; border-radius: 10px;
  display: inline-flex; align-items: center; justify-content: center;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--text-dim);
  transition: transform .2s, color .2s, border-color .2s, background .2s, box-shadow .2s;
}
.social-row a:hover {
  transform: translateY(-2px);
  color: #fff;
  background: var(--grad-primary);
  border-color: transparent;
  box-shadow: 0 8px 20px rgba(124,58,237,.25);
}
.social-row svg { width: 18px; height: 18px; fill: currentColor; }

/* =========================
   Page Header (inner pages)
   ========================= */
.page-hero { position: relative; padding: 90px 0 60px; overflow: hidden; border-bottom: 1px solid var(--line); background: var(--grad-wash); }
.page-hero::before{
  content:""; position:absolute; inset:-30% -10% auto -10%; height: 140%;
  background:
    radial-gradient(500px 280px at 20% 20%, rgba(124,58,237,.10), transparent 60%),
    radial-gradient(420px 260px at 88% 0%, rgba(155,107,255,.08), transparent 60%);
  z-index: 0; pointer-events: none;
}
.page-hero .container { position: relative; z-index: 1; }
.breadcrumb { font-size: .85rem; color: var(--muted); margin-bottom: 14px; }
.breadcrumb a { color: var(--text-dim); }
.breadcrumb a:hover { color: var(--brand); }

/* =========================
   Service list rows
   ========================= */
.service-row { display: grid; grid-template-columns: 1fr 2fr; gap: 36px; padding: 48px 0; border-top: 1px solid var(--line); align-items: start; }
.service-row:first-of-type { border-top: 0; }
.service-row h3 { font-size: 1.55rem; color: var(--text); }
.pill-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.pill {
  padding: 6px 12px; border-radius: 999px; font-size: .82rem;
  color: var(--brand-3); background: rgba(124,58,237,.06);
  border: 1px solid rgba(124,58,237,.15); font-weight: 500;
}

.badge-new {
  display: inline-block; vertical-align: middle;
  margin-left: 10px; padding: 4px 10px;
  font-family: 'Inter', sans-serif; font-size: .68rem; font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase;
  color: #fff;
  background: var(--grad-primary);
  border-radius: 999px;
  box-shadow: 0 4px 12px rgba(124,58,237,.25);
}

/* =========================
   Proposal page specifics
   ========================= */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feature {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  transition: border-color .25s, box-shadow .25s, transform .25s;
}
.feature:hover { border-color: rgba(124,58,237,.3); box-shadow: var(--shadow-sm); transform: translateY(-3px); }
.feature .feature-num {
  display: inline-block; padding: 4px 10px; margin-bottom: 14px;
  font-family: 'Space Grotesk', sans-serif; font-size: .8rem; font-weight: 700;
  background: var(--grad-soft); color: var(--brand);
  border: 1px solid rgba(124,58,237,.18); border-radius: 8px;
}
.feature h4 { color: var(--text); margin-bottom: 8px; font-size: 1.05rem; }
.feature p { font-size: .94rem; margin: 0; }

.deliverables {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px;
  padding: 30px; border: 1px solid var(--line); border-radius: var(--radius-lg);
  background: var(--bg-soft);
}
.deliverables div {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 14px 16px; background: #fff; border: 1px solid var(--line);
  border-radius: 12px;
}
.deliverables svg { flex-shrink: 0; width: 20px; height: 20px; color: var(--brand); margin-top: 2px; }
.deliverables strong { display: block; color: var(--text); font-size: .96rem; margin-bottom: 2px; }
.deliverables span { color: var(--text-dim); font-size: .88rem; }

.timeline { position: relative; padding-left: 32px; }
.timeline::before {
  content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px;
  width: 2px; background: linear-gradient(180deg, rgba(124,58,237,.4), rgba(124,58,237,.05));
}
.timeline-item { position: relative; padding-bottom: 28px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: ""; position: absolute; left: -28px; top: 6px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--grad-primary);
  box-shadow: 0 0 0 4px #fff, 0 0 0 5px rgba(124,58,237,.25);
}
.timeline-item h4 { color: var(--text); margin: 0 0 4px; font-size: 1.05rem; }
.timeline-item p { margin: 0; color: var(--text-dim); font-size: .94rem; }
.timeline-item .t-tag { font-size: .75rem; color: var(--brand); font-weight: 600; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 4px; display: block; }

.faq { border-top: 1px solid var(--line); }
.faq details {
  padding: 22px 0; border-bottom: 1px solid var(--line);
}
.faq summary {
  cursor: pointer; list-style: none;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  font-family: 'Space Grotesk', sans-serif; font-size: 1.05rem; font-weight: 600; color: var(--text);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; font-size: 1.4rem; font-weight: 400; color: var(--brand);
  transition: transform .2s;
}
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 12px 0 0; color: var(--text-dim); }

.engagement-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.engagement {
  padding: 30px; border: 1px solid var(--line); border-radius: var(--radius-lg);
  background: #fff; position: relative; transition: border-color .25s, box-shadow .25s, transform .25s;
}
.engagement.featured {
  border-color: rgba(124,58,237,.4);
  background:
    radial-gradient(400px 200px at 50% 0%, rgba(124,58,237,.06), transparent 70%),
    #ffffff;
  box-shadow: var(--shadow);
}
.engagement.featured::before {
  content: "Most popular"; position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  padding: 5px 14px; font-size: .72rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase;
  color: #fff; background: var(--grad-primary); border-radius: 999px;
  box-shadow: 0 4px 14px rgba(124,58,237,.3);
}
.engagement:hover { transform: translateY(-3px); }
.engagement h4 { color: var(--text); margin: 0 0 6px; font-size: 1.15rem; }
.engagement .eg-price { font-family: 'Space Grotesk', sans-serif; font-size: 1.6rem; color: var(--brand); margin: 8px 0 14px; font-weight: 700; }
.engagement .eg-price small { font-size: .82rem; color: var(--muted); font-weight: 400; }
.engagement ul { list-style: none; padding: 0; margin: 0 0 22px; }
.engagement li { padding: 8px 0; color: var(--text-dim); font-size: .94rem; border-bottom: 1px solid var(--line); display: flex; align-items: flex-start; gap: 10px; }
.engagement li:last-child { border-bottom: 0; }
.engagement li::before {
  content: ""; flex-shrink: 0; width: 16px; height: 16px; border-radius: 50%; margin-top: 3px;
  background: var(--grad-soft); border: 1px solid rgba(124,58,237,.3);
  background-image:
    linear-gradient(135deg, transparent 40%, var(--brand) 40%, var(--brand) 60%, transparent 60%),
    var(--grad-soft);
}

@media (max-width: 960px) {
  .feature-grid, .engagement-grid { grid-template-columns: 1fr; }
  .deliverables { grid-template-columns: 1fr; }
}

/* =========================================================
   Portfolio
   ========================================================= */
.portfolio-filter {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 10px; margin: 0 0 36px;
}
.filter-chip {
  padding: 9px 18px; border-radius: 999px;
  font-family: inherit; font-size: .88rem; font-weight: 500;
  color: var(--text-dim);
  background: #fff; border: 1px solid var(--line-strong);
  cursor: pointer; transition: all .2s ease;
}
.filter-chip:hover { color: var(--brand); border-color: rgba(124,58,237,.4); }
.filter-chip.active {
  color: #fff;
  background: var(--grad-primary);
  border-color: transparent;
  box-shadow: 0 6px 16px rgba(124,58,237,.28);
}
.filter-chip .count {
  display: inline-block; margin-left: 6px;
  font-size: .72rem; opacity: .7; font-weight: 400;
}

.portfolio-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.portfolio-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  overflow: hidden;
  cursor: pointer;
  transition: transform .35s cubic-bezier(.2,.8,.2,1), border-color .25s, box-shadow .25s, opacity .35s;
  display: flex; flex-direction: column;
}
.portfolio-card:hover {
  transform: translateY(-6px);
  border-color: rgba(124,58,237,.35);
  box-shadow: var(--shadow);
}
.portfolio-card.is-hidden {
  opacity: 0; transform: scale(.92);
  pointer-events: none;
  display: none;
}
.portfolio-image {
  position: relative;
  aspect-ratio: 16/10;
  background:
    radial-gradient(400px 200px at 50% 100%, rgba(124,58,237,.06), transparent 70%),
    var(--bg-soft);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.portfolio-image::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(124,58,237,.04));
  pointer-events: none;
}
.portfolio-image img {
  max-width: 65%; max-height: 70%;
  object-fit: contain;
  transition: transform .5s ease;
  filter: drop-shadow(0 6px 18px rgba(76,29,149,.08));
}
.portfolio-card:hover .portfolio-image img { transform: scale(1.06); }

/* Mobile-app badge in top-left corner of a portfolio card */
.portfolio-card .mobile-badge {
  position: absolute; top: 14px; left: 14px;
  z-index: 2;
  font-size: .68rem; letter-spacing: .12em; text-transform: uppercase;
  font-weight: 600; padding: 4px 10px; border-radius: 999px;
  color: #fff; background: var(--grad-primary);
  box-shadow: 0 4px 12px rgba(124,58,237,.3);
}

.portfolio-body { padding: 22px 24px 24px; flex: 1; display: flex; flex-direction: column; }
.portfolio-cat {
  font-size: .72rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--brand); font-weight: 600; margin-bottom: 8px;
}
.portfolio-card h3 {
  font-size: 1.15rem; margin: 0 0 6px; color: var(--text);
}
.portfolio-card p {
  margin: 0 0 14px; color: var(--text-dim); font-size: .92rem;
  line-height: 1.55;
}
.portfolio-tags {
  display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto;
}
.portfolio-tag {
  font-size: .72rem; padding: 4px 10px; border-radius: 999px;
  background: rgba(124,58,237,.06);
  color: var(--brand-3);
  border: 1px solid rgba(124,58,237,.12);
}
.portfolio-card .arrow {
  position: absolute; top: 18px; right: 18px;
  width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: #fff; border: 1px solid var(--line);
  color: var(--brand);
  transition: background .2s, color .2s, transform .25s, border-color .2s;
  z-index: 2;
}
.portfolio-card:hover .arrow {
  background: var(--grad-primary); color: #fff;
  border-color: transparent; transform: rotate(-45deg);
}

.portfolio-empty {
  grid-column: 1 / -1;
  text-align: center; padding: 60px 20px;
  color: var(--muted);
}

/* Modal */
.portfolio-modal {
  position: fixed; inset: 0; z-index: 1000;
  display: none;
  align-items: center; justify-content: center;
  padding: 30px 20px;
  background: rgba(20, 19, 42, .55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0; transition: opacity .25s;
}
.portfolio-modal.is-open { display: flex; opacity: 1; }
.modal-card {
  position: relative;
  width: 100%; max-width: 880px; max-height: 90vh;
  background: #fff; border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  box-shadow: 0 30px 80px rgba(76,29,149,.25);
  overflow: hidden;
  display: flex; flex-direction: column;
  transform: translateY(20px) scale(.97);
  transition: transform .3s cubic-bezier(.2,.8,.2,1);
}
.portfolio-modal.is-open .modal-card { transform: none; }
.modal-close {
  position: absolute; top: 16px; right: 16px;
  width: 38px; height: 38px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: #fff; color: var(--text);
  border: 1px solid var(--line); cursor: pointer;
  font-size: 1.4rem; line-height: 1; z-index: 5;
  transition: all .2s;
}
.modal-close:hover { background: var(--brand); color: #fff; border-color: transparent; }
.modal-hero {
  display: flex; align-items: center; justify-content: center;
  padding: 36px;
  background:
    radial-gradient(500px 240px at 50% 100%, rgba(124,58,237,.08), transparent 70%),
    var(--bg-soft);
  border-bottom: 1px solid var(--line);
  min-height: 200px;
}
.modal-hero img { max-height: 130px; max-width: 60%; object-fit: contain; }
.modal-body { padding: 32px 36px; overflow-y: auto; }
.modal-body .portfolio-cat { font-size: .75rem; }
.modal-body h2 { margin: 6px 0 8px; font-size: 1.7rem; }
.modal-body .lead {
  font-size: 1rem; color: var(--text-dim); margin-bottom: 22px;
}
.modal-section { margin-bottom: 22px; }
.modal-section h4 {
  font-size: .76rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--brand); margin: 0 0 8px; font-weight: 600;
}
.modal-section p { margin: 0; color: var(--text-dim); font-size: .95rem; }

@media (max-width: 960px) {
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .portfolio-grid { grid-template-columns: 1fr; }
  .modal-body { padding: 24px; }
  .modal-hero { padding: 24px; min-height: 160px; }
  .modal-hero img { max-height: 100px; }
}

/* =========================
   Industry grid
   ========================= */
.industry {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  transition: transform .25s, border-color .25s, box-shadow .25s;
}
.industry:hover { transform: translateY(-3px); border-color: rgba(124,58,237,.3); box-shadow: var(--shadow-sm); }
.industry h3 { color: var(--text); margin-bottom: 8px; }
.industry ul { margin: 10px 0 0; padding-left: 18px; color: var(--text-dim); }
.industry ul li { margin-bottom: 4px; font-size: .92rem; }

/* =========================
   About values / stats
   ========================= */
.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.value { padding: 26px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; transition: border-color .25s, box-shadow .25s; }
.value:hover { border-color: rgba(124,58,237,.3); box-shadow: var(--shadow-sm); }
.value h4 { color: var(--text); margin-bottom: 6px; }

.stat-band {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  padding: 32px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(400px 200px at 10% 50%, rgba(124,58,237,.08), transparent 60%),
    radial-gradient(400px 200px at 90% 50%, rgba(155,107,255,.08), transparent 60%),
    #ffffff;
}
.stat-band strong {
  display:block; font-family:'Space Grotesk',sans-serif; font-size:2rem;
  background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat-band span { color: var(--text-dim); font-size:.9rem; }

/* =========================
   Contact
   ========================= */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 40px; align-items: start; }
.info-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  margin-bottom: 16px;
  transition: border-color .25s, box-shadow .25s;
}
.info-card:hover { border-color: rgba(124,58,237,.3); box-shadow: var(--shadow-sm); }
.info-card h4 { color: var(--text); margin-bottom: 6px; font-size: 1rem; }
.info-card p, .info-card a { color: var(--text-dim); margin: 0; }
.info-card a:hover { color: var(--brand); }

form.contact-form {
  padding: 34px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.field { margin-bottom: 16px; }
.field label { display: block; font-size: .85rem; color: var(--text-dim); margin-bottom: 6px; font-weight: 500; }
.field input, .field textarea, .field select {
  width: 100%; padding: 12px 14px; border-radius: 10px;
  background: #fff; border: 1px solid var(--line-strong);
  color: var(--text); font: inherit; outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field textarea:focus, .field select:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(124,58,237,.12);
}
.field textarea { min-height: 140px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* =========================
   Responsive
   ========================= */
@media (max-width: 960px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .approach .steps { grid-template-columns: repeat(2, 1fr); }
  .hero-metrics { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .service-row { grid-template-columns: 1fr; gap: 16px; padding: 36px 0; }
  .stat-band { grid-template-columns: repeat(2, 1fr); }
  .values { grid-template-columns: 1fr; }
  .cta-inner { padding: 32px; }
  .section { padding: 72px 0; }
}
@media (max-width: 860px) {
  .nav-toggle { display: inline-block; }
  .nav-actions { display: none; } /* CTA lives inside hamburger menu on mobile */
  .brand-sub { display: none; }

  .nav-links {
    position: absolute; top: 74px; left: 0; right: 0;
    flex-direction: column; gap: 0; align-items: stretch;
    background: #fff; border-bottom: 1px solid var(--line);
    padding: 8px 16px 20px;
    display: none;
    box-shadow: var(--shadow-sm);
  }
  .nav-links.open { display: flex; }
  .nav-links li { border-bottom: 1px solid var(--line); }
  .nav-links li:last-child { border-bottom: 0; }
  .nav-links a { display: block; padding: 14px 4px; }
  .nav-links a.active::after { display: none; }

  /* CTA inside hamburger — compact pill, left-aligned with menu */
  .nav-links li:last-child { border-bottom: 0; padding-top: 12px; margin-top: 4px; }
  .nav-links .btn-primary {
    display: inline-flex; width: auto;
    align-self: flex-start;
    padding: 8px 16px; font-size: .82rem;
    border-radius: 999px;
  }
}

@media (max-width: 720px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-metrics { grid-template-columns: 1fr 1fr; }
}