/* =========================================================
   Fundesk — Storefront (AI automation consultancy)
   Layered on top of home-redesign.css (tokens + nav/footer).
   Dark-first, premium. Hero + final CTA are always-dark panels;
   mid-page sections are theme-aware via the shared tokens.
   ========================================================= */

.sf {
  /* Storefront accent system */
  --sf-violet: #7C5CE0;
  --sf-indigo: #5562E6;
  --sf-cyan:   #38BDF8;
  --sf-grad:   linear-gradient(115deg, #8B73F0 0%, #5562E6 42%, #38BDF8 100%);
  --sf-grad-soft: linear-gradient(115deg, rgba(139,115,240,.16), rgba(56,189,248,.10));

  /* Always-dark panel palette (hero + final cta) */
  --d-bg:    #0A0C12;
  --d-card:  rgba(255,255,255,0.035);
  --d-rule:  rgba(255,255,255,0.10);
  --d-ink:   #F4F5FA;
  --d-ink-2: #B5B9C9;
  --d-ink-3: #7E8499;
}

/* ───────────────────────── shared bits ──────────────────────── */
.sf-section { padding-block: clamp(64px, 9vw, 132px); position: relative; }

.sf-eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--ink-3);
  margin: 0 0 18px;
}
.sf-eyebrow::before {
  content: ""; width: 22px; height: 2px; border-radius: 2px;
  background: var(--eb, var(--teal));
}
.sf-eyebrow .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--eb, var(--teal)); box-shadow: 0 0 0 4px color-mix(in oklab, var(--eb, var(--teal)) 22%, transparent);
}

.sf-h2 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(30px, 4.6vw, 52px); line-height: 1.04;
  letter-spacing: -0.02em; color: var(--ink); margin: 0;
  max-width: 18ch;
}
.sf-h2 em { font-style: italic; color: var(--accent); }
.sf-lede {
  font-size: clamp(16px, 2vw, 19px); line-height: 1.6;
  color: var(--ink-2); max-width: 56ch; margin: 16px 0 0;
}
.sf-sec-head { margin-bottom: clamp(44px, 5vw, 64px); }
.sf-sec-head--center { text-align: center; }
.sf-sec-head--center .sf-eyebrow { justify-content: center; }
.sf-sec-head--center .sf-h2,
.sf-sec-head--center .sf-lede { margin-inline: auto; }

/* =========================================================
   Premium light surfaces — elevate the theme-aware sections
   so they read as polished as the always-dark panels.
   Soft accent washes + a crisp top seam, in both light & dark.
   ========================================================= */
.sf-lit, .sf-lit-alt { position: relative; isolation: isolate; }
.sf-lit  { background: var(--bg); }
.sf-lit-alt { background: var(--bg-sub); }
.sf-lit > *, .sf-lit-alt > * { position: relative; z-index: 1; }
.sf-lit::before, .sf-lit-alt::before {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(44% 52% at 90% -8%, color-mix(in oklab, var(--accent) 13%, transparent), transparent 64%),
    radial-gradient(40% 50% at 2% 104%, color-mix(in oklab, var(--teal) 14%, transparent), transparent 70%);
}
.sf-lit-alt::before {
  background:
    radial-gradient(50% 60% at 8% -6%, color-mix(in oklab, var(--coral) 13%, transparent), transparent 70%),
    radial-gradient(46% 56% at 96% 104%, color-mix(in oklab, var(--peri) 14%, transparent), transparent 72%);
}
/* crisp section seam at the top edge */
.sf-lit::after, .sf-lit-alt::after {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 1px; z-index: 0; pointer-events: none;
  background: linear-gradient(90deg, transparent, var(--rule) 22%, var(--rule) 78%, transparent);
}
/* thin gradient accent beneath each centered section heading */
.sf-sec-head--center .sf-h2 { position: relative; }

/* Buttons ----------------------------------------------------- */
.sf-btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--sans); font-weight: 600; font-size: 15px;
  padding: 14px 24px; border-radius: 999px;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .2s cubic-bezier(.2,.7,.3,1), box-shadow .25s ease, background .2s ease, border-color .2s ease;
  white-space: nowrap; line-height: 1;
}
.sf-btn svg { transition: transform .25s cubic-bezier(.2,.7,.3,1); }
.sf-btn:hover svg { transform: translateX(3px); }

.sf-btn-primary {
  color: #fff; background: var(--accent);
  box-shadow: 0 8px 22px -8px color-mix(in oklab, var(--accent) 60%, transparent), inset 0 1px 0 rgba(255,255,255,.22);
}
.sf-btn-primary:hover {
  transform: translateY(-2px);
  background: color-mix(in oklab, var(--accent) 86%, #fff);
  box-shadow: 0 14px 30px -8px color-mix(in oklab, var(--accent) 70%, transparent), inset 0 1px 0 rgba(255,255,255,.3);
}
.sf-btn-ghost {
  color: var(--ink); background: var(--bg-card);
  border-color: var(--rule);
}
.sf-btn-ghost:hover { transform: translateY(-2px); border-color: var(--sf-indigo); }

/* Ghost button on dark panels */
.sf-on-dark .sf-btn-ghost {
  color: var(--d-ink); background: rgba(255,255,255,.05);
  border-color: var(--d-rule);
}
.sf-on-dark .sf-btn-ghost:hover { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.4); }

/* =========================================================
   HERO  (light, colorful — matches the rest of the page)
   ========================================================= */
.sf-hero {
  position: relative; overflow: hidden;
  background: var(--bg); color: var(--ink);
  padding-block: clamp(72px, 11vw, 140px);
  border-bottom: 1px solid var(--rule);
}

/* layered background: subtle ink grid + soft colour washes */
.sf-bg { position: absolute; inset: 0; pointer-events: none; z-index: 0; }
.sf-grid {
  position: absolute; inset: -2px;
  background-image:
    linear-gradient(color-mix(in oklab, var(--ink) 5%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in oklab, var(--ink) 5%, transparent) 1px, transparent 1px);
  background-size: 54px 54px;
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 62% 32%, #000 0%, transparent 78%);
          mask-image: radial-gradient(ellipse 80% 70% at 62% 32%, #000 0%, transparent 78%);
}
.sf-glow { position: absolute; border-radius: 50%; filter: blur(72px); opacity: .6; }
.sf-glow.g1 { width: 520px; height: 520px; top: -170px; right: -70px;
  background: radial-gradient(circle, color-mix(in oklab, var(--coral) 34%, transparent), transparent 70%);
  animation: sfFloat1 22s ease-in-out infinite; }
.sf-glow.g2 { width: 460px; height: 460px; bottom: -210px; left: -110px;
  background: radial-gradient(circle, color-mix(in oklab, var(--teal) 30%, transparent), transparent 70%);
  animation: sfFloat2 26s ease-in-out infinite; }
.sf-glow.g3 { width: 360px; height: 360px; top: 32%; left: 42%;
  background: radial-gradient(circle, color-mix(in oklab, var(--peri) 26%, transparent), transparent 70%);
  animation: sfFloat1 30s ease-in-out infinite reverse; }

@keyframes sfFloat1 { 0%,100%{ transform: translate(0,0) scale(1);} 50%{ transform: translate(-30px,28px) scale(1.08);} }
@keyframes sfFloat2 { 0%,100%{ transform: translate(0,0) scale(1);} 50%{ transform: translate(36px,-24px) scale(1.1);} }

.sf-hero-grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(32px, 5vw, 72px); align-items: center;
}
.sf-hero-copy { max-width: 640px; }

.sf-chip {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 12px; letter-spacing: .04em;
  color: var(--ink-2); padding: 7px 14px 7px 11px; border-radius: 999px;
  background: var(--bg-card); border: 1px solid var(--rule);
  box-shadow: 0 4px 14px -8px rgba(16,18,34,.18);
  margin: 0 0 26px;
}
.sf-chip .pulse {
  width: 7px; height: 7px; border-radius: 50%; background: #43E0A0;
  box-shadow: 0 0 0 0 rgba(67,224,160,.6); animation: sfPulse 2.4s infinite;
}
@keyframes sfPulse {
  0%{ box-shadow: 0 0 0 0 rgba(67,224,160,.55);} 70%{ box-shadow: 0 0 0 9px rgba(67,224,160,0);} 100%{ box-shadow:0 0 0 0 rgba(67,224,160,0);}
}

.sf-h1 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(40px, 6.4vw, 76px); line-height: 1.02;
  letter-spacing: -0.025em; margin: 0; color: var(--ink);
}
.sf-h1 .grad {
  background: linear-gradient(100deg, var(--coral) 0%, var(--rose) 46%, var(--accent) 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; font-style: italic;
}
.sf-hero-sub {
  font-size: clamp(16px, 2.1vw, 20px); line-height: 1.6;
  color: var(--ink-2); margin: 26px 0 0; max-width: 54ch;
}
.sf-cta-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.sf-trust {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px 22px;
  margin-top: 30px; font-size: 13.5px; color: var(--ink-3);
}
.sf-trust .t-item { display: inline-flex; align-items: center; gap: 8px; }
.sf-trust svg { color: var(--teal); flex: none; }

/* hero visual — automation node graph + stat card */
.sf-hero-visual { position: relative; aspect-ratio: 1 / 1; }
.sf-orbit {
  position: absolute; inset: 0; margin: auto;
  width: min(100%, 480px); height: min(100%, 480px);
}
.sf-orbit svg { width: 100%; height: 100%; overflow: visible; }

.sf-node circle { transition: none; }
.sf-node-glow { transform-box: fill-box; transform-origin: center;
  animation: sfNodePulse 3.6s ease-in-out infinite; }
.sf-node-glow.n2 { animation-delay: .6s; }
.sf-node-glow.n3 { animation-delay: 1.2s; }
.sf-node-glow.n4 { animation-delay: 1.8s; }
.sf-node-glow.n5 { animation-delay: 2.4s; }
@keyframes sfNodePulse { 0%,100%{ opacity:.35; transform: scale(1);} 50%{ opacity:.9; transform: scale(1.18);} }

.sf-link { stroke-dasharray: 6 9; animation: sfFlow 1.8s linear infinite; }
.sf-link.l2 { animation-duration: 2.3s; }
.sf-link.l3 { animation-duration: 1.5s; }
.sf-link.l4 { animation-duration: 2.0s; }
@keyframes sfFlow { to { stroke-dashoffset: -60; } }

.sf-core-spin { transform-box: fill-box; transform-origin: center;
  animation: sfSpin 18s linear infinite; }
@keyframes sfSpin { to { transform: rotate(360deg); } }

/* floating stat card over the visual */
.sf-stat {
  position: absolute; bottom: 6%; left: -4%;
  background: var(--bg-card); border: 1px solid var(--rule); border-radius: var(--radius-lg);
  padding: 16px 20px;
  box-shadow: 0 1px 2px rgba(16,18,34,.05), 0 24px 50px -24px rgba(16,18,34,.32);
  animation: sfBob 6s ease-in-out infinite;
}
.sf-stat .num {
  font-family: var(--serif); font-size: 38px; line-height: 1; color: var(--ink);
  display: flex; align-items: baseline; gap: 4px;
}
.sf-stat .num span { font-size: 20px; color: var(--coral); }
.sf-stat .lab { font-family: var(--mono); font-size: 11px; letter-spacing: .1em;
  text-transform: uppercase; color: var(--ink-3); margin-top: 6px; }
.sf-stat.s2 { top: 4%; right: -2%; bottom: auto; left: auto; animation-delay: 1.2s; }
.sf-stat.s2 .num { font-size: 30px; }
@keyframes sfBob { 0%,100%{ transform: translateY(0);} 50%{ transform: translateY(-12px);} }

.ze {
  --ze-navy: #0F0F1A; --ze-card: #1A1A2E; --ze-card2: #20203A;
  --ze-purple: #A78BFA; --ze-green: #10B981; --ze-red: #EF4444;
  --ze-ink: #ECE9F8; --ze-ink2: #9A93B8; --ze-rule: rgba(167,139,250,.18);
  position: relative; z-index: 1;
  background: var(--ze-navy); border: 1px solid var(--ze-rule); border-radius: 16px; overflow: hidden;
  box-shadow: 0 50px 100px -45px rgba(8,6,24,.85), 0 0 0 1px rgba(167,139,250,.05);
  font-family: var(--sans); color: var(--ze-ink);
  animation: zeBob 8s ease-in-out infinite;
}
@keyframes zeBob { 0%,100%{ transform: translateY(0); } 50%{ transform: translateY(-9px); } }

.ze-top {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px; border-bottom: 1px solid var(--ze-rule);
  background: linear-gradient(180deg, rgba(167,139,250,.06), transparent);
}
.ze-dots { display: inline-flex; gap: 6px; }
.ze-dots i { width: 10px; height: 10px; border-radius: 50%; background: #34334A; display: block; }
.ze-dots i:first-child { background: #ED6A5E; } .ze-dots i:nth-child(2) { background: #F4BF50; } .ze-dots i:nth-child(3) { background: #61C554; }
.ze-brand { display: inline-flex; align-items: center; gap: 7px; font-weight: 800; font-size: 13px; letter-spacing: .02em; }
.ze-brand img { width: 18px; height: 18px; border-radius: 5px; }
.ze-brand b { color: var(--ze-ink); } .ze-brand span { color: var(--ze-purple); }
.ze-badge {
  margin-left: auto; font-family: var(--mono); font-size: 10px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--ze-purple); background: rgba(167,139,250,.14); border: 1px solid var(--ze-rule);
  padding: 4px 9px; border-radius: 999px;
}
.ze-body { padding: 16px; display: grid; gap: 14px; }

.ze-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.ze-stat { background: var(--ze-card); border: 1px solid var(--ze-rule); border-radius: 10px; padding: 9px 11px; display: grid; gap: 3px; }
.ze-stat .k { font-family: var(--mono); font-size: 9px; letter-spacing: .1em; text-transform: uppercase; color: var(--ze-ink2); }
.ze-stat .v { font-size: 12.5px; font-weight: 600; color: var(--ze-ink); }

.ze-label { margin: 2px 0 -2px; font-family: var(--mono); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; color: var(--ze-ink2); }
.ze-cands { display: grid; grid-template-columns: repeat(2, 1fr); gap: 11px; }
.ze-cand { margin: 0; position: relative; border-radius: 10px; overflow: hidden; border: 1px solid var(--ze-rule); background: var(--ze-card); }
.ze-cand img { width: 100%; aspect-ratio: 1/1; object-fit: cover; display: block; }
.ze-cand figcaption {
  display: flex; align-items: center; gap: 5px; padding: 6px 8px;
  font-size: 9.5px; color: var(--ze-ink2); border-top: 1px solid var(--ze-rule);
}
.ze-cand figcaption b { margin-left: auto; color: var(--ze-green); font-weight: 600; }
.ze-cand.selected { border-color: var(--ze-purple); box-shadow: 0 0 0 2px rgba(167,139,250,.45), 0 8px 24px -10px rgba(167,139,250,.5); }
.ze-cand.selected figcaption b { margin-left: auto; }
.ze-check {
  position: absolute; top: 7px; right: 7px; width: 20px; height: 20px; border-radius: 50%;
  background: var(--ze-purple); color: #14101F; display: grid; place-items: center; font-size: 12px; font-weight: 800;
  box-shadow: 0 4px 12px -3px rgba(167,139,250,.7);
}

.ze-plats { display: flex; gap: 8px; }
.ze-plat {
  flex: 1; display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  font-size: 11.5px; font-weight: 600; color: var(--ze-ink2);
  background: var(--ze-card); border: 1px solid var(--ze-rule); border-radius: 9px; padding: 8px 6px;
}
.ze-plat svg { width: 14px; height: 14px; }
.ze-plat.done { color: var(--ze-ink); }
.ze-plat.done .ze-pcheck { color: var(--ze-green); }
.ze-plat.active { color: var(--ze-ink); border-color: var(--ze-purple); background: rgba(167,139,250,.12); }

.ze-caption { background: var(--ze-card); border: 1px solid var(--ze-rule); border-radius: 10px; padding: 11px 12px; }
.ze-caption .ze-cap-k { display: block; font-family: var(--mono); font-size: 9px; letter-spacing: .1em; text-transform: uppercase; color: var(--ze-purple); margin-bottom: 5px; }
.ze-caption .ze-cap-t { font-size: 12.5px; line-height: 1.5; color: var(--ze-ink); }

.ze-actions { display: flex; gap: 9px; }
.ze-btn { font-size: 12.5px; font-weight: 700; border-radius: 9px; padding: 11px 14px; cursor: default; }
.ze-btn.approve { flex: 1; color: #08130E; background: var(--ze-green); box-shadow: 0 8px 22px -8px rgba(16,185,129,.6); }
.ze-btn.regen { color: var(--ze-ink2); background: var(--ze-card); border: 1px solid var(--ze-rule); }

/* =========================================================
   PROCESS — how it works
   ========================================================= */
.sf-steps { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.sf-steps::before {
  content: ""; position: absolute; top: 30px; left: 9%; right: 9%; height: 0;
  border-top: 2px dashed color-mix(in oklab, var(--ink) 24%, transparent);
  z-index: 0;
}
.sf-step { position: relative; z-index: 1; }
.sf-step-num {
  position: relative; width: 60px; height: 60px; border-radius: 50%; display: grid; place-items: center;
  font-family: var(--serif); font-size: 24px; color: #fff;
  background: var(--tint, var(--accent));
  border: 2px solid color-mix(in oklab, var(--ink) 82%, var(--tint, var(--accent)));
  box-shadow: 0 12px 24px -10px color-mix(in oklab, var(--tint, var(--accent)) 60%, transparent), inset 0 1px 0 rgba(255,255,255,.28);
  margin-bottom: 22px;
}
.sf-step-title { font-family: var(--sans); font-weight: 700; font-size: 17px; margin: 0 0 7px; color: var(--ink); }
.sf-step-desc { font-size: 14.5px; line-height: 1.55; color: var(--ink-2); margin: 0; }
.sf-step-meta { font-family: var(--mono); font-size: 11px; letter-spacing: .08em; color: var(--ink-3); margin-top: 8px; }

/* =========================================================
   FINAL CTA  (light)
   ========================================================= */
.sf-final { position: relative; overflow: hidden; background: var(--bg-sub); color: var(--ink); }
.sf-final-inner {
  position: relative; z-index: 1; text-align: center;
  max-width: 760px; margin: 0 auto; padding-block: clamp(70px, 10vw, 130px);
}
.sf-final h2 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(34px, 5.5vw, 60px); line-height: 1.05; letter-spacing: -.022em;
  margin: 0 0 18px; color: var(--ink);
}
.sf-final h2 .grad {
  background: linear-gradient(105deg, var(--coral), var(--accent));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  font-style: italic;
}
.sf-final p { font-size: clamp(16px, 2vw, 19px); line-height: 1.6; color: var(--ink-2);
  max-width: 52ch; margin: 0 auto 34px; }
.sf-final .sf-cta-row { justify-content: center; }

/* =========================================================
   ACCORDION — "what we build" (vertical, expandable)
   ========================================================= */
@keyframes sfAccIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }

.sf-acc { display: grid; gap: 16px; max-width: 940px; margin: 0 auto; }
.sf-acc-item {
  background: var(--bg-card);
  border: 1px solid var(--rule); border-left: 4px solid var(--tint, var(--accent));
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: 0 1px 1px rgba(16,18,34,.04), 0 10px 26px -18px rgba(16,18,34,.16);
  transition: box-shadow .3s;
}
.sf-acc-item[open] {
  box-shadow: 0 2px 3px rgba(16,18,34,.05), 0 26px 52px -28px color-mix(in oklab, var(--tint, var(--accent)) 34%, transparent);
}
.sf-acc-item > summary {
  list-style: none; cursor: pointer; display: flex; align-items: center; gap: 18px;
  padding: 20px 24px; -webkit-tap-highlight-color: transparent;
}
.sf-acc-item > summary::-webkit-details-marker { display: none; }
.sf-acc-item > summary:hover .sf-acc-title { color: color-mix(in oklab, var(--tint, var(--accent)) 72%, var(--ink)); }
.sf-acc-ico {
  width: 50px; height: 50px; flex: none; border-radius: 14px; padding: 8px;
  background: color-mix(in oklab, var(--tint, var(--accent)) 14%, var(--bg-card));
  border: 1px solid color-mix(in oklab, var(--tint, var(--accent)) 24%, transparent);
}
.sf-acc-ico svg { width: 100%; height: 100%; display: block; }
.sf-acc-head { flex: 1; display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.sf-acc-title { font-family: var(--serif); font-size: 21px; letter-spacing: -.01em; color: var(--ink); transition: color .2s; }
.sf-acc-sub { font-size: 14px; line-height: 1.45; color: var(--ink-2); }
.sf-acc-chev {
  flex: none; width: 30px; height: 30px; display: grid; place-items: center; color: var(--ink-3);
  border-radius: 50%; background: var(--bg-sub); transition: transform .3s, color .2s;
}
.sf-acc-chev svg { width: 16px; height: 16px; }
.sf-acc-item[open] > summary .sf-acc-chev,
.sf-port-item[open] > summary .sf-acc-chev { transform: rotate(180deg); color: var(--tint, var(--accent)); }

.sf-acc-panel {
  display: grid; grid-template-columns: 1.25fr .75fr; gap: 30px; align-items: start;
  padding: 6px 24px 26px 92px; border-top: 1px solid var(--rule);
  animation: sfAccIn .35s ease;
}
.sf-acc-copy { padding-top: 16px; }
.sf-acc-copy p { font-size: 15px; line-height: 1.65; color: var(--ink-2); margin: 0 0 14px; }
.sf-acc-copy p b { color: var(--ink); font-weight: 700; }
.sf-acc-list { list-style: none; margin: 0 0 16px; padding: 0; display: grid; gap: 9px; }
.sf-acc-list li { position: relative; padding-left: 26px; font-size: 14.5px; line-height: 1.5; color: var(--ink-2); }
.sf-acc-list li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  color: var(--tint, var(--accent)); font-weight: 800; font-size: 14px;
}
.sf-acc-out {
  font-size: 14.5px; line-height: 1.5; color: var(--ink);
  background: color-mix(in oklab, var(--tint, var(--accent)) 9%, var(--bg-card));
  border: 1px solid color-mix(in oklab, var(--tint, var(--accent)) 18%, transparent);
  border-radius: var(--radius-md); padding: 12px 15px; margin: 2px 0 0;
}
.sf-acc-out span {
  font-family: var(--mono); font-size: 10px; letter-spacing: .12em; text-transform: uppercase;
  color: color-mix(in oklab, var(--tint, var(--accent)) 80%, var(--ink)); margin-right: 9px;
}
.sf-acc-art {
  aspect-ratio: 280 / 130; border-radius: var(--radius-md); overflow: hidden;
  border: 1px solid var(--rule); margin-top: 16px;
}
.sf-acc-art svg { width: 100%; height: 100%; display: block; }

/* =========================================================
   PORTFOLIO — "our work" (expandable case studies)
   ========================================================= */
.sf-port { display: grid; gap: 18px; max-width: 980px; margin: 0 auto; }
.sf-port-item {
  background: var(--bg-card); border: 1px solid var(--rule);
  border-left: 4px solid var(--tint, var(--accent)); border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: 0 1px 1px rgba(16,18,34,.04), 0 12px 30px -20px rgba(16,18,34,.18);
  transition: box-shadow .3s;
}
.sf-port-item[open] {
  box-shadow: 0 2px 3px rgba(16,18,34,.05), 0 30px 58px -28px color-mix(in oklab, var(--tint, var(--accent)) 32%, transparent);
}
.sf-port-item > summary {
  list-style: none; cursor: pointer; display: flex; align-items: center; gap: 18px; padding: 22px 24px;
  -webkit-tap-highlight-color: transparent;
}
.sf-port-item > summary::-webkit-details-marker { display: none; }
.sf-port-emblem {
  width: 56px; height: 56px; flex: none; border-radius: 14px; padding: 9px;
  background: color-mix(in oklab, var(--tint, var(--accent)) 14%, var(--bg-card));
  border: 1px solid color-mix(in oklab, var(--tint, var(--accent)) 24%, transparent);
}
.sf-port-emblem svg { width: 100%; height: 100%; display: block; }
.sf-port-head { flex: 1; display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.sf-port-name {
  font-family: var(--serif); font-size: 23px; letter-spacing: -.01em; color: var(--ink);
  display: inline-flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
.sf-port-pill {
  font-family: var(--mono); font-size: 10px; letter-spacing: .1em; text-transform: uppercase;
  color: color-mix(in oklab, var(--tint, var(--accent)) 78%, var(--ink));
  background: color-mix(in oklab, var(--tint, var(--accent)) 13%, var(--bg-card));
  border: 1px solid color-mix(in oklab, var(--tint, var(--accent)) 26%, transparent);
  border-radius: 999px; padding: 4px 9px;
}
.sf-port-tag { font-size: 14.5px; line-height: 1.45; color: var(--ink-2); }
.sf-port-link { flex: none; font-family: var(--mono); font-size: 12.5px; color: var(--ink-3); }

.sf-port-panel {
  display: grid; grid-template-columns: 1fr; gap: 22px;
  padding: 8px 28px 30px 94px; border-top: 1px solid var(--rule);
  animation: sfAccIn .35s ease;
}
.sf-port-copy p { font-size: 15px; line-height: 1.65; color: var(--ink-2); margin: 16px 0 0; max-width: 72ch; }
.sf-port-copy p:first-child { margin-top: 16px; }
.sf-port-copy p b { color: var(--ink); font-weight: 700; }
.sf-port-feats { display: grid; gap: 10px; margin: 18px 0 4px; }
.sf-port-feats div { display: flex; align-items: center; gap: 13px; font-size: 14.5px; line-height: 1.4; color: var(--ink-2); }
.sf-port-feats div span {
  flex: none; display: inline-grid; place-items: center; min-width: 50px; height: 26px; padding: 0 9px;
  font-family: var(--mono); font-weight: 600; font-size: 11px; color: var(--ink);
  background: var(--tint, var(--accent));
  border: 1.5px solid color-mix(in oklab, var(--ink) 78%, var(--tint, var(--accent)));
  border-radius: 8px;
}
.sf-port-cta {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 20px;
  font-family: var(--sans); font-weight: 600; font-size: 14.5px; color: #fff;
  background: var(--tint, var(--accent)); padding: 11px 18px; border-radius: 999px;
  box-shadow: 0 8px 20px -8px color-mix(in oklab, var(--tint, var(--accent)) 55%, transparent);
  transition: transform .2s, box-shadow .25s;
}
.sf-port-cta:hover { transform: translateY(-2px); box-shadow: 0 14px 28px -8px color-mix(in oklab, var(--tint, var(--accent)) 65%, transparent); }
.sf-port-cta svg { transition: transform .25s; }
.sf-port-cta:hover svg { transform: translate(2px,-2px); }

.sf-port-shot { margin: 6px 0 0; }
.sf-port-shot figcaption {
  font-family: var(--mono); font-size: 11px; letter-spacing: .06em; text-transform: uppercase;
  color: var(--ink-3); margin-bottom: 12px;
}
.sf-port-shot .ze { animation: none; max-width: 560px; }
.sf-port-illo { border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--rule); max-width: 460px; }
.sf-port-illo svg { width: 100%; height: auto; display: block; }

@media (max-width: 860px) {
  .sf-acc-panel { grid-template-columns: 1fr; padding-left: 24px; }
  .sf-acc-art { order: -1; margin-top: 0; }
  .sf-port-panel { padding-left: 24px; }
}
@media (max-width: 680px) {
  .sf-acc-item > summary, .sf-port-item > summary { gap: 14px; padding: 18px; }
  .sf-port-link { display: none; }
}

/* =========================================================
   Scroll reveal
   ========================================================= */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.3,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; } .reveal.d2 { transition-delay: .16s; } .reveal.d3 { transition-delay: .24s; }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 980px) {
  .sf-hero-grid { grid-template-columns: 1fr; }
  .sf-hero-visual { order: -1; max-width: 440px; margin: 0 auto 8px; width: 100%; }
  .ze { animation: none; }
  .sf-steps { grid-template-columns: repeat(2, 1fr); gap: 30px 20px; }
  .sf-steps::before { display: none; }
}
@media (max-width: 560px) {
  .sf-steps { grid-template-columns: 1fr; }
  .sf-stat { transform: scale(.88); }
  .sf-cta-row .sf-btn { width: 100%; justify-content: center; }
}

/* =========================================================
   Reduced motion
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  .sf-glow, .sf-stat, .sf-node-glow, .sf-link, .sf-core-spin, .sf-chip .pulse { animation: none !important; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .sf-btn, .sf-acc-item, .sf-port-item, .sf-step-num { transition: none; }
}