/* ═══════════════════════════════════════════════════
   TOKENS — Light Futuristic: Violet tint + white panels
   ═══════════════════════════════════════════════════ */
:root {
  /* Section frame backgrounds — alternate these */
  --frame-white:   #FFFFFF;
  --frame-violet:  #F3F0FC;         /* very light violet tint */
  --frame-deep:    #EDE8F8;         /* slightly deeper, used for CTA */

  /* Panel (floating .inner) */
  --panel:         #FFFFFF;
  --panel-border:  rgba(139,92,246,0.12);
  --panel-shadow:  0 2px 32px rgba(109,40,217,0.07), 0 0 0 1px rgba(139,92,246,0.08);

  /* Ink */
  --ink:           #13103A;         /* deep violet-navy */
  --ink2:          #4B476B;
  --muted:         #8B87AA;
  --rule:          rgba(139,92,246,0.14);

  /* Accent */
  --accent:        #7C3AED;         /* violet-600 */
  --accent-2:      #A78BFA;         /* violet-400 — lighter, for tags/lines */
  --accent-l:      rgba(124,58,237,0.08);
  --accent-l2:     rgba(167,139,250,0.18);
  --neon:          #A78BFA;

  /* Orange CTA (kept from original) */
  --orange:        #F97316;
  --orange-l:      rgba(249,115,22,0.10);

  /* Semantic */
  --green:         #10B981;
  --green-l:       rgba(16,185,129,0.10);
  --amber:         #F59E0B;
  --amber-l:       rgba(245,158,11,0.10);
  --red:           #EF4444;
  --red-l:         rgba(239,68,68,0.10);

  /* Misc */
  --radius:        14px;
  --radius-sm:     8px;
  --shadow-s:      0 1px 8px rgba(109,40,217,0.07);
  --shadow-m:      0 8px 28px rgba(109,40,217,0.13);
  --shadow-neon:   0 0 0 1.5px rgba(124,58,237,0.35), 0 6px 24px rgba(124,58,237,0.18);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--frame-white);
  color: var(--ink);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ═══════════════════════════════════════════════════
   NAV
   ═══════════════════════════════════════════════════ */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 900;
  padding: 20px clamp(20px, 5vw, 60px);
  display: flex; align-items: center; justify-content: space-between;
  transition: background 0.3s, padding 0.3s, box-shadow 0.3s;
}
nav.stuck {
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 13px clamp(20px, 5vw, 60px);
  box-shadow: 0 1px 0 var(--rule), 0 4px 24px rgba(109,40,217,0.06);
}
.nav-logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem; font-weight: 600;
  color: var(--ink); text-decoration: none;
  letter-spacing: 0.01em;
}
.nav-links {
  display: flex; align-items: center; gap: 28px;
  list-style: none;
}
.nav-links a {
  font-size: 0.8rem; font-weight: 500; color: var(--ink2);
  text-decoration: none; letter-spacing: 0.03em;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--accent); }
.nav-cta-btn {
  padding: 8px 20px;
  background: var(--accent); color: #fff !important;
  border-radius: 6px; font-weight: 600 !important;
  font-size: 0.78rem !important;
  transition: background 0.2s, box-shadow 0.2s !important;
  text-decoration: none;
}
.nav-cta-btn:hover { background: #6D28D9 !important; box-shadow: var(--shadow-neon); }

.hamburger {
  display: none; background: none; border: none;
  cursor: pointer; padding: 4px; color: var(--ink);
}
.mobile-menu {
  display: none; position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: #fff; z-index: 850;
  flex-direction: column; align-items: center; justify-content: center;
  gap: 32px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-family: 'Playfair Display', serif;
  font-size: 1.8rem; font-weight: 600;
  color: var(--ink); text-decoration: none;
  transition: color 0.2s;
}
.mobile-menu a:hover { color: var(--accent); }
.mobile-close {
  position: absolute; top: 24px; right: 24px;
  background: none; border: none; cursor: pointer; color: var(--ink);
}

/* ═══════════════════════════════════════════════════
   SECTION FRAME SYSTEM
   white → violet → white → violet ...
   ═══════════════════════════════════════════════════ */
.sec {
  min-height: 100svh;
  display: flex; align-items: center;
  padding: clamp(80px, 12vh, 120px) clamp(20px, 5vw, 60px);
  position: relative;
}

/* Default frame = white */
.sec { background: var(--frame-white); }

/* Violet tint frames */
#services,
#casestudy,
#process {
  background: var(--frame-violet);
}

/* Panel — floating white card inside tinted frames */
.inner {
  width: 100%; max-width: 1060px; margin: 0 auto;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 20px;
  padding: clamp(32px, 5vw, 60px);
  box-shadow: var(--panel-shadow);
}

/* White-frame sections don't need a visible card */
#hero .inner,
#featured-demo .inner,
#solution .inner,
#contact .inner {
  background: transparent;
  border: none;
  box-shadow: none;
  padding-left: 0;
  padding-right: 0;
  border-radius: 0;
}

/* ═══════════════════════════════════════════════════
   SHARED TYPOGRAPHY
   ═══════════════════════════════════════════════════ */
.eyebrow {
  display: inline-block;
  font-size: 0.65rem; font-weight: 600;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 12px;
  font-family: 'DM Mono', monospace;
}
.h1-serif {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.4rem, 5.5vw, 3.8rem);
  font-weight: 700; line-height: 1.1;
  letter-spacing: -0.02em; color: var(--ink);
}
.h2-serif {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.7rem, 3.2vw, 2.4rem);
  font-weight: 700; line-height: 1.15;
  letter-spacing: -0.02em; color: var(--ink);
}
.lead {
  font-size: clamp(0.9rem, 1.6vw, 1rem);
  color: var(--ink2); line-height: 1.8; max-width: 520px;
}
.divider { width: 28px; height: 2px; background: var(--accent); border-radius: 2px; margin: 16px 0; }

/* ═══════════════════════════════════════════════════
   ANIMATION STUBS
   ═══════════════════════════════════════════════════ */
.will-fade  { opacity: 0; transform: translateY(24px); }
.will-left  { opacity: 0; transform: translateX(-24px); }
.will-right { opacity: 0; transform: translateX(24px); }
.will-scale { opacity: 0; transform: scale(0.97); }

/* ═══════════════════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════════════════ */
.btn-dark {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 26px; background: var(--accent); color: #fff;
  border-radius: 8px; font-weight: 600; font-size: 0.85rem;
  text-decoration: none; transition: all 0.2s; letter-spacing: 0.01em;
}
.btn-dark:hover { background: #6D28D9; transform: translateY(-1px); box-shadow: var(--shadow-neon); }
.btn-light {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 26px; border: 1.5px solid var(--rule); color: var(--ink);
  border-radius: 8px; font-weight: 500; font-size: 0.85rem;
  text-decoration: none; transition: all 0.2s; background: transparent;
}
.btn-light:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-l); }

/* ═══════════════════════════════════════════════════
   1. HERO
   ═══════════════════════════════════════════════════ */
#hero { background: var(--frame-white); overflow: hidden; }

/* Subtle grid decoration — light violet lines */
.hero-rule {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(124,58,237,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124,58,237,0.07) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 85% 75% at 50% 50%, black 15%, transparent 100%);
}

.hero-layout {
  display: grid; grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(40px, 6vw, 80px); align-items: center;
}
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 5px 12px; border-radius: 4px;
  background: var(--accent-l); border: 1px solid rgba(124,58,237,0.2);
  font-size: 0.68rem; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--accent);
  margin-bottom: 22px; font-family: 'DM Mono', monospace;
}
.hero-dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 7px rgba(124,58,237,0.6);
  animation: blink 2.5s ease infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.2} }

.hero-sub {
  font-size: clamp(0.9rem, 1.5vw, 1rem);
  color: var(--ink2); line-height: 1.8;
  margin: 16px 0 32px; max-width: 420px;
}
.hero-trust {
  display: flex; align-items: center; flex-wrap: wrap; gap: 9px;
  margin-top: 32px; padding-top: 24px;
  border-top: 1px solid var(--rule);
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem; letter-spacing: 0.03em; color: var(--muted);
}
.hero-trust-dot { color: var(--accent-2); }

.hero-photo-wrapper {
  position: relative; overflow: hidden; border-radius: var(--radius);
  display: flex; justify-content: flex-end;
}
.hero-photo {
  width: 180%; max-width: 520px; height: auto; display: block;
  margin-left: 28px;
  border: none; outline: none; box-shadow: none;
  transform: translateY(0); transition: transform 0.15s linear;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 65%, rgba(0,0,0,0) 100%);
  mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 65%, rgba(0,0,0,0) 100%);
}
.hero-photo-wrapper::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 35%;
  pointer-events: none;
  background: linear-gradient(to bottom, rgba(255,255,255,0), var(--frame-white));
}
.scroll-cue {
  position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 5px;
  font-size: 0.6rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--muted); animation: float 3s ease infinite;
  font-family: 'DM Mono', monospace;
}
@keyframes float { 0%,100%{transform:translateX(-50%) translateY(0)} 50%{transform:translateX(-50%) translateY(5px)} }
.scroll-cue svg { width: 14px; height: 14px; }

/* ═══════════════════════════════════════════════════
   SERVICES  (violet frame → white panel)
   ═══════════════════════════════════════════════════ */
.service-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 16px; margin-top: 44px; align-items: stretch;
}
.service-card {
  display: flex; flex-direction: column;
  background: var(--frame-white); border-radius: var(--radius-sm);
  padding: 24px; border: 1px solid var(--rule);
  box-shadow: var(--shadow-s);
  transition: box-shadow 0.2s, transform 0.2s;
}
.service-card:hover { box-shadow: var(--shadow-m); transform: translateY(-2px); }
.service-card--flagship {
  border-color: rgba(124,58,237,0.3);
  background: linear-gradient(180deg, var(--accent-l) 0%, var(--frame-white) 25%);
  box-shadow: 0 0 0 1px rgba(124,58,237,0.1), var(--shadow-s);
}
.service-card--flagship:hover { box-shadow: var(--shadow-neon); }
.service-label {
  display: inline-block; align-self: flex-start;
  font-family: 'DM Mono', monospace; font-size: 0.62rem;
  font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--muted); background: var(--frame-violet);
  border: 1px solid var(--rule); border-radius: 4px;
  padding: 4px 9px; margin-bottom: 14px;
}
.service-label--accent { color: var(--accent); background: var(--accent-l); border-color: rgba(124,58,237,0.25); }
.service-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.15rem; font-weight: 700; color: var(--ink);
  line-height: 1.25; margin-bottom: 10px;
}
.service-fit { font-size: 0.78rem; color: var(--ink2); line-height: 1.6; margin-bottom: 18px; }
.service-fit strong { color: var(--ink); font-weight: 700; }
.service-image {
  flex: 1; margin-bottom: 22px;
  display: flex; align-items: stretch; justify-content: center;
}

/* ── Mini feature-card (replaces placeholder image) ── */
.svc-mini-card {
  width: 100%; background: #fff; border-radius: 10px;
  border: 1px solid var(--rule); overflow: hidden;
  box-shadow: 0 1px 10px rgba(109,40,217,0.06);
  display: flex; flex-direction: column;
}
.service-card--flagship .svc-mini-card { border-color: rgba(124,58,237,0.25); }
.svc-mini-hero { padding: 16px 16px 12px; }
.svc-mini-eyebrow {
  display: inline-block; font-family: 'DM Mono', monospace;
  font-size: 0.56rem; font-weight: 600; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--accent);
  background: var(--accent-l); border: 1px solid rgba(124,58,237,0.18);
  border-radius: 5px; padding: 3px 8px; margin-bottom: 10px;
}
.svc-mini-headline {
  font-family: 'Playfair Display', serif; font-weight: 800;
  font-size: 1.05rem; line-height: 1.18; letter-spacing: -0.01em;
  color: var(--ink);
}
.svc-mini-headline em { color: var(--accent); font-style: italic; font-weight: 700; }
.svc-mini-value { font-size: 0.72rem; color: var(--ink2); line-height: 1.55; margin-top: 8px; }
.svc-mini-rule { height: 1px; background: var(--rule); margin: 0 16px; }
.svc-mini-body { padding: 12px 16px 16px; }
.svc-mini-bullets { list-style: none; display: flex; flex-direction: column; gap: 0; }
.svc-mini-bullet {
  display: flex; align-items: flex-start; gap: 8px;
  padding: 7px 0; border-bottom: 1px dashed var(--rule);
  font-size: 0.7rem; color: var(--ink2); line-height: 1.4;
}
.svc-mini-bullet:last-child { border-bottom: none; }
.svc-mini-bullet-icon {
  width: 16px; height: 16px; background: var(--accent-l);
  border-radius: 4px; display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; margin-top: 1px;
}
.svc-mini-bullet-icon svg { width: 9px; height: 9px; stroke: var(--accent); fill: none; stroke-width: 2.2; }
.svc-mini-callout {
  background: var(--accent-l); border-radius: 8px; padding: 10px 12px; margin-top: 10px;
}
.svc-mini-callout-title { font-size: 0.7rem; font-weight: 600; color: var(--ink); margin-bottom: 2px; }
.svc-mini-callout-body { font-size: 0.65rem; color: var(--ink2); line-height: 1.45; }
/* ── Hover-reveal inclusions panel ── */
.service-image { position: relative; }
.svc-mini-card {
  transition: opacity 0.25s ease, filter 0.25s ease;
}
.service-card:hover .svc-mini-card,
.service-card:focus-within .svc-mini-card {
  opacity: 0;
  filter: blur(1px);
}
.service-includes {
  position: absolute; inset: 0;
  background: #fff; border: 1px solid var(--rule); border-radius: 10px;
  padding: 18px 18px 16px;
  display: flex; flex-direction: column;
  opacity: 0; pointer-events: none;
  transform: translateY(6px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 3;
}
.service-card--flagship .service-includes { border-color: rgba(124,58,237,0.25); }
.service-card:hover .service-includes,
.service-card:focus-within .service-includes {
  opacity: 1; pointer-events: auto; transform: translateY(0);
}
.service-includes-title {
  font-family: 'DM Mono', monospace; font-size: 0.62rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted);
  margin-bottom: 12px;
}
.service-includes-list {
  list-style: none; display: flex; flex-direction: column; gap: 9px;
  overflow-y: auto;
}
.service-includes-item {
  display: flex; align-items: flex-start; gap: 8px;
  font-size: 0.78rem; color: var(--ink2); line-height: 1.4;
}
.service-includes-icon {
  width: 16px; height: 16px; border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; margin-top: 1px;
}
.service-includes-icon svg { width: 9px; height: 9px; fill: none; stroke-width: 2.4; }
.service-includes-item--yes .service-includes-icon { background: var(--accent-l); }
.service-includes-item--yes .service-includes-icon svg { stroke: var(--accent); }
.service-includes-item--yes strong { color: var(--ink); font-weight: 600; }
.service-includes-item--no {
  color: var(--muted);
}
.service-includes-item--no .service-includes-icon { background: rgba(0,0,0,0.05); }
.service-includes-item--no .service-includes-icon svg { stroke: var(--muted); }
.service-includes-item--no span { text-decoration: line-through; text-decoration-color: rgba(0,0,0,0.2); }
.service-includes-divider {
  border: none; border-top: 1px dashed var(--rule); margin: 10px 0;
}

.service-meta {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 10px; padding-top: 18px; border-top: 1px solid var(--rule);
}
.service-price { font-family: 'Playfair Display', serif; font-size: 1.2rem; font-weight: 700; color: var(--orange); }
.service-timeline { font-size: 0.68rem; color: var(--muted); font-family: 'DM Mono', monospace; margin-top: 2px; }
.service-meta .btn-light, .service-meta .btn-dark { padding: 9px 16px; font-size: 0.75rem; white-space: nowrap; }

/* ═══════════════════════════════════════════════════
   FEATURED DEMO  (white frame, no panel border)
   ═══════════════════════════════════════════════════ */
#featured-demo { background: var(--frame-white); padding-top: clamp(60px,10vh,100px); padding-bottom: clamp(60px,10vh,100px); }
#featured-demo .inner { max-width: 1180px; }
.demo-layout {
  display: grid; grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(40px, 6vw, 72px); align-items: center;
}
.demo-highlights { list-style: none; display: flex; flex-direction: column; gap: 12px; margin: 22px 0 0; }
.demo-highlights li {
  font-size: 0.9rem; color: var(--ink2); line-height: 1.5;
  padding-left: 24px; position: relative;
}
.demo-highlights li::before {
  content: ''; position: absolute; left: 0; top: 7px;
  width: 7px; height: 7px; border-radius: 50%; background: var(--accent-2);
}
.demo-preview {
  display: block; position: relative;
  border-radius: var(--radius); overflow: hidden;
  aspect-ratio: 16/10; text-decoration: none;
  box-shadow: var(--shadow-neon);
  transition: transform 0.25s, box-shadow 0.25s;
  background: #f3f0fc;
}
.demo-preview:hover { transform: translateY(-4px); box-shadow: 0 18px 48px rgba(109,40,217,0.22); }
.demo-preview-art {
  position: absolute; inset: 0;
  background: linear-gradient(155deg, var(--accent) 0%, #5B21B6 55%, #3B1470 100%);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.demo-preview-art-grid {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.08) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 20%, transparent 100%);
}
.demo-thumb {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  display: block; object-fit: cover; object-position: center;
}
.demo-preview::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(19,16,58,0.5) 0%, rgba(19,16,58,0.1) 45%, transparent 100%);
  pointer-events: none;
}
.demo-preview-play {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 84px; height: 84px; border-radius: 50%;
  background: rgba(255,255,255,0.24);
  backdrop-filter: blur(8px);
  border: 1.5px solid rgba(255,255,255,0.4);
  display: flex; align-items: center; justify-content: center; z-index: 2;
  transition: transform 0.2s, background 0.2s;
  cursor: pointer; padding: 0; outline: none;
}
.demo-preview-play svg { width: 28px; height: 28px; }
.demo-preview:hover .demo-preview-play { transform: translate(-50%, -50%) scale(1.08); background: rgba(255,255,255,0.34); }
.demo-preview-play svg { margin-left: 4px; }
.demo-preview-frame { width: 100%; height: 100%; border: none; display: block; }
.demo-fallback {
  width: 100%; height: 100%; display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center;
  padding: 24px; gap: 8px; background: var(--frame-violet);
}
.demo-fallback-title { font-family: 'Playfair Display', serif; font-size: 1.1rem; font-weight: 700; color: var(--ink); }
.demo-fallback-body { font-size: 0.82rem; color: var(--ink2); max-width: 320px; line-height: 1.5; }
.demo-fallback-btn {
  margin-top: 8px; display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 20px; background: var(--accent); color: #fff;
  border-radius: 8px; font-size: 0.8rem; font-weight: 600; text-decoration: none;
  transition: background 0.2s;
}
.demo-fallback-btn:hover { background: #6D28D9; }
.demo-yt-link {
  display: inline-flex; align-items: center; gap: 7px;
  margin-top: 14px; font-size: 0.78rem; font-weight: 500;
  color: var(--ink2); text-decoration: none;
  transition: color 0.2s;
}
.demo-yt-link:hover { color: var(--accent); }

/* ═══════════════════════════════════════════════════
   PROBLEM  (white frame, no panel)
   ═══════════════════════════════════════════════════ */
#problem { background: var(--frame-white); }
.problem-cols {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px); align-items: start;
}
.pain-item {
  display: flex; gap: 14px;
  padding: 16px 0; border-bottom: 1px solid var(--rule);
}
.pain-item:last-child { border-bottom: none; }
.pain-icon {
  width: 28px; height: 28px; border-radius: 6px;
  background: var(--red-l); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}
.pain-title { font-weight: 600; font-size: 0.875rem; color: var(--ink); margin-bottom: 3px; }
.pain-body  { font-size: 0.8rem; color: var(--muted); line-height: 1.6; }

.stat-card {
  background: var(--frame-violet);
  border-radius: var(--radius-sm);
  padding: 24px; border: 1px solid var(--rule);
  box-shadow: var(--shadow-s); margin-bottom: 12px;
  transition: box-shadow 0.2s, border-color 0.2s;
}
.stat-card:hover { box-shadow: var(--shadow-m); border-color: rgba(124,58,237,0.2); }
.stat-num-lg {
  font-family: 'Playfair Display', serif;
  font-size: 2.4rem; font-weight: 700; line-height: 1;
}
.stat-label { font-size: 0.8rem; color: var(--ink2); margin-top: 5px; line-height: 1.5; }

/* ═══════════════════════════════════════════════════
   SOLUTION  (white frame, no panel)
   ═══════════════════════════════════════════════════ */
#solution { background: var(--frame-white); }
.solution-cols {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px); align-items: start;
}
.arch-row {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px; border-radius: 8px;
  border: 1px solid var(--rule); background: var(--frame-violet);
  transition: all 0.2s; cursor: default;
}
.arch-row:hover { border-color: rgba(124,58,237,0.28); background: var(--accent-l2); transform: translateX(3px); }
.arch-dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
.arch-step { font-size: 0.68rem; font-family: 'DM Mono', monospace; color: var(--muted); flex-shrink: 0; width: 24px; }
.arch-row-title { font-weight: 600; font-size: 0.85rem; color: var(--ink); flex: 1; }
.arch-row-sub { font-size: 0.72rem; color: var(--muted); font-family: 'DM Mono', monospace; }
.arch-connector { width: 1px; height: 10px; background: var(--rule); margin-left: 15px; }
.arch-list { display: flex; flex-direction: column; gap: 3px; }

.stack-pills { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.stack-pill {
  font-size: 0.72rem; padding: 4px 10px; border-radius: 4px;
  background: var(--frame-violet); border: 1px solid var(--rule);
  color: var(--ink2); font-weight: 500; font-family: 'DM Mono', monospace;
}

.layer-cards { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin-top: 8px; }
.layer-cards--4 { grid-template-columns: repeat(4,1fr); margin-top: 44px; gap: 14px; }
.layer-card {
  padding: 16px; border-radius: 8px;
  border: 1px solid var(--rule); background: var(--frame-violet);
  text-align: center; transition: all 0.2s;
}
.layer-cards--4 .layer-card { text-align: left; padding: 22px 18px; background: var(--frame-white); box-shadow: var(--shadow-s); }
.layer-card:hover { border-color: rgba(124,58,237,0.28); background: var(--accent-l2); }
.layer-cards--4 .layer-card:hover { background: var(--frame-white); box-shadow: var(--shadow-m); transform: translateY(-2px); }
.layer-num { font-size: 0.62rem; font-family: 'DM Mono', monospace; color: var(--accent); letter-spacing: 0.1em; margin-bottom: 5px; }
.layer-title { font-weight: 700; font-size: 0.85rem; color: var(--ink); }
.layer-cards--4 .layer-title { font-family: 'Playfair Display', serif; font-size: 1.05rem; margin-top: 2px; }
.layer-body { font-size: 0.73rem; color: var(--muted); margin-top: 3px; line-height: 1.5; }
.layer-cards--4 .layer-body { font-size: 0.78rem; line-height: 1.6; margin-top: 8px; }
.layer-meta {
  font-size: 0.66rem; color: var(--accent); font-family: 'DM Mono', monospace;
  margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--rule);
}

/* ═══════════════════════════════════════════════════
   CASE STUDY  (violet frame → white panel)
   ═══════════════════════════════════════════════════ */
#casestudy { align-items: flex-start; }

.cs-company-bar {
  display: flex; align-items: center; gap: 16px;
  background: var(--frame-white); border: 1px solid var(--rule);
  border-radius: 8px; padding: 16px 20px;
  margin-bottom: 36px; box-shadow: var(--shadow-s);
}
.cs-company-logo {
  width: 36px; height: 36px; border-radius: 6px;
  background: linear-gradient(135deg, var(--accent), #4C1D95);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.cs-company-name { font-weight: 700; font-size: 0.92rem; color: var(--ink); line-height: 1.2; }
.cs-company-sub { font-size: 0.75rem; color: var(--muted); font-family: 'DM Mono', monospace; }
.cs-badge {
  margin-left: auto;
  font-size: 0.65rem; font-weight: 600; letter-spacing: 0.1em;
  text-transform: uppercase; font-family: 'DM Mono', monospace;
  padding: 4px 10px; border-radius: 4px;
  background: var(--green-l); color: var(--green);
  border: 1px solid rgba(16,185,129,0.18);
}

.cs-kpis {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 10px; margin-bottom: 48px;
}
.kpi-box {
  background: var(--frame-violet); border-radius: var(--radius-sm);
  padding: 20px 16px; border: 1px solid var(--rule);
  text-align: center; transition: border-color 0.2s, box-shadow 0.2s;
}
.kpi-box:hover { border-color: rgba(124,58,237,0.25); box-shadow: var(--shadow-s); }
.kpi-num {
  font-family: 'Playfair Display', serif;
  font-size: 1.85rem; font-weight: 700;
  color: var(--accent); line-height: 1;
}
.kpi-lbl { font-size: 0.68rem; color: var(--muted); margin-top: 5px; line-height: 1.4; font-family: 'DM Mono', monospace; }

.cs-layout {
  display: grid; grid-template-columns: 1fr 380px;
  gap: clamp(32px, 5vw, 56px); align-items: start;
}

/* Timeline */
.timeline { position: relative; }
.timeline::before {
  content: ''; position: absolute;
  left: 14px; top: 8px; bottom: 8px; width: 1px;
  background: linear-gradient(to bottom, var(--accent), var(--green), rgba(124,58,237,0.06));
}
.tl-step { position: relative; padding-left: 44px; margin-bottom: 40px; }
.tl-step:last-child { margin-bottom: 0; }
.tl-dot {
  position: absolute; left: 7px; top: 4px;
  width: 14px; height: 14px; border-radius: 50%;
  border: 2px solid var(--frame-violet);
  box-shadow: 0 0 0 2px rgba(124,58,237,0.2);
  background: var(--accent);
}
.tl-dot.green { background: var(--green); box-shadow: 0 0 0 2px rgba(16,185,129,0.2); }
.tl-dot.amber { background: var(--amber); box-shadow: 0 0 0 2px rgba(245,158,11,0.2); }
.tl-phase {
  font-size: 0.62rem; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--accent);
  margin-bottom: 4px; font-family: 'DM Mono', monospace;
}
.tl-phase.green { color: var(--green); }
.tl-phase.amber { color: var(--amber); }
.tl-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(0.95rem, 1.8vw, 1.1rem);
  font-weight: 600; color: var(--ink); margin-bottom: 8px;
}
.tl-body { font-size: 0.83rem; color: var(--ink2); line-height: 1.75; }
.tl-tags { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 10px; }
.tl-tag {
  font-size: 0.65rem; padding: 3px 9px; border-radius: 4px;
  font-weight: 500; letter-spacing: 0.04em;
  background: var(--accent-l); color: var(--accent);
  border: 1px solid rgba(124,58,237,0.2);
  font-family: 'DM Mono', monospace;
}
.tl-tag.green { background: var(--green-l); color: var(--green); border-color: rgba(16,185,129,0.18); }
.tl-tag.amber { background: var(--amber-l); color: var(--amber); border-color: rgba(245,158,11,0.18); }
.tl-tag.red   { background: var(--red-l);   color: var(--red);   border-color: rgba(239,68,68,0.15); }

.insight-box {
  background: var(--frame-violet); border: 1px solid var(--rule);
  border-left: 2px solid var(--accent);
  border-radius: 0 8px 8px 0; padding: 12px 16px; margin-top: 12px;
}
.insight-box.green { border-left-color: var(--green); }
.insight-box.amber { border-left-color: var(--amber); }
.insight-label {
  font-size: 0.6rem; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 3px;
  font-family: 'DM Mono', monospace;
}
.insight-label.green { color: var(--green); }
.insight-label.amber { color: var(--amber); }
.insight-text { font-size: 0.8rem; color: var(--ink); line-height: 1.55; font-weight: 500; }

/* Sidebar */
.cs-sidebar { position: sticky; top: 110px; display: flex; flex-direction: column; gap: 14px; }
.sidebar-card {
  background: var(--frame-white); border-radius: var(--radius-sm);
  padding: 24px; border: 1px solid var(--rule); box-shadow: var(--shadow-s);
}
.sidebar-card-title {
  font-size: 0.62rem; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--muted);
  margin-bottom: 16px; font-family: 'DM Mono', monospace;
}

/* Before/After table */
.ba-table { width: 100%; border-collapse: collapse; }
.ba-table th {
  font-size: 0.62rem; font-weight: 600; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--muted); text-align: left;
  padding: 0 0 10px; font-family: 'DM Mono', monospace;
}
.ba-table th:last-child { text-align: right; }
.ba-table td {
  font-size: 0.78rem; color: var(--muted); padding: 8px 0;
  border-top: 1px solid var(--rule); line-height: 1.4; vertical-align: top;
}
.ba-table td:first-child { font-weight: 600; color: var(--ink); width: 35%; }
.ba-table td:nth-child(2) { color: var(--red); padding-right: 8px; }
.ba-table td:last-child { color: var(--green); font-weight: 600; text-align: right; }

/* Performance bars */
.perf-row { margin-bottom: 14px; }
.perf-row:last-child { margin-bottom: 0; }
.perf-label-row { display: flex; justify-content: space-between; margin-bottom: 5px; }
.perf-label { font-size: 0.78rem; color: var(--ink); font-weight: 500; }
.perf-value { font-size: 0.72rem; font-family: 'DM Mono', monospace; font-weight: 600; color: var(--accent); }
.bar-track {
  height: 3px; background: rgba(124,58,237,0.12);
  border-radius: 100px; overflow: hidden;
}
.bar-fill {
  height: 100%; border-radius: 100px;
  background: linear-gradient(90deg, var(--accent-2), var(--accent));
  width: 0; transition: width 1.2s cubic-bezier(0.4,0,0.2,1);
}

/* CTA inline card */
.cta-card {
  background: linear-gradient(150deg, var(--accent-l2), var(--frame-violet) 60%);
  border: 1px solid rgba(124,58,237,0.2);
  border-radius: var(--radius-sm); padding: 24px;
}
.cta-card-title { font-size: 0.88rem; font-weight: 700; color: var(--ink); margin-bottom: 6px; }
.cta-card-body { font-size: 0.75rem; color: var(--ink2); line-height: 1.6; margin-bottom: 16px; }
.cta-card-btn {
  display: block; text-align: center;
  padding: 10px 18px; background: var(--accent); color: #fff;
  border-radius: 6px; font-weight: 700; font-size: 0.8rem;
  text-decoration: none; transition: all 0.2s;
}
.cta-card-btn:hover { background: #6D28D9; box-shadow: var(--shadow-neon); }

/* ═══════════════════════════════════════════════════
   PROCESS  (violet frame → white panel)
   ═══════════════════════════════════════════════════ */
.process-grid {
  display: grid; grid-template-columns: repeat(4,1fr);
  gap: 0; border: 1px solid var(--rule); border-radius: 12px;
  overflow: hidden; margin-top: 44px;
}
.proc-step {
  padding: 28px 22px; background: var(--frame-white);
  transition: background 0.2s; position: relative;
}
.proc-step:hover { background: var(--accent-l); }
.proc-step + .proc-step { border-left: 1px solid var(--rule); }
.proc-n { font-family: 'DM Mono', monospace; font-size: 0.6rem; color: var(--accent); letter-spacing: 0.1em; margin-bottom: 18px; }
.proc-icon {
  width: 36px; height: 36px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center; margin-bottom: 14px;
}
.proc-title { font-weight: 700; font-size: 0.88rem; color: var(--ink); margin-bottom: 6px; }
.proc-body { font-size: 0.77rem; color: var(--muted); line-height: 1.65; }

/* ═══════════════════════════════════════════════════
   CTA SECTION  (deep violet frame)
   ═══════════════════════════════════════════════════ */
#cta {
  background: var(--frame-deep);
  min-height: auto; padding: clamp(80px,12vh,120px) clamp(20px,5vw,60px);
}
.cta-inner { text-align: center; max-width: 560px; margin: 0 auto; }
.cta-h2 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.9rem, 3.8vw, 2.7rem);
  font-weight: 700; color: var(--ink); line-height: 1.15;
  margin-bottom: 16px; letter-spacing: -0.02em;
}
.cta-sub { font-size: 0.95rem; color: var(--ink2); line-height: 1.75; margin-bottom: 36px; }
.cta-btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 32px; border-radius: 8px;
  background: var(--accent); color: #fff;
  font-weight: 700; font-size: 0.9rem;
  text-decoration: none; transition: all 0.25s;
  box-shadow: var(--shadow-neon);
}
.cta-btn:hover { background: #6D28D9; }
.cta-note { margin-top: 18px; font-size: 0.73rem; color: var(--muted); letter-spacing: 0.04em; font-family: 'DM Mono', monospace; }
.cta-pills { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-bottom: 36px; }
.cta-pill {
  font-size: 0.68rem; padding: 5px 12px; border-radius: 4px;
  border: 1px solid rgba(124,58,237,0.22);
  color: var(--ink2); font-weight: 500;
  font-family: 'DM Mono', monospace; background: rgba(255,255,255,0.6);
}

/* ═══════════════════════════════════════════════════
   CONTACT / FOOTER  (white frame)
   ═══════════════════════════════════════════════════ */
#contact { background: var(--frame-white); min-height: auto; padding: 56px clamp(20px,5vw,60px); }
.footer-inner { width: 100%; max-width: 1060px; margin: 0 auto; text-align: center; }
.footer-name {
  font-family: 'Playfair Display', serif;
  font-size: 2rem; font-weight: 700; color: var(--ink);
  letter-spacing: -0.02em; margin-bottom: 6px;
}
.footer-role { font-size: 0.78rem; color: var(--muted); font-family: 'DM Mono', monospace; margin-bottom: 24px; }
.contact-chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.contact-chip {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 16px; border-radius: 6px;
  background: var(--frame-violet); border: 1px solid var(--rule);
  font-size: 0.8rem; font-weight: 500; color: var(--ink);
  text-decoration: none; box-shadow: var(--shadow-s);
  transition: all 0.2s;
}
.contact-chip:hover { border-color: var(--accent); color: var(--accent); }
.footer-rule { width: 100%; height: 1px; background: var(--rule); margin: 32px auto; max-width: 1060px; }
.footer-copy { font-size: 0.7rem; color: var(--muted); font-family: 'DM Mono', monospace; }

/* ═══════════════════════════════════════════════════
   STAT ITEMS (hero)
   ═══════════════════════════════════════════════════ */
.hero-stats { display: flex; align-items: center; gap: 24px; margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--rule); }
.stat-item { display: flex; flex-direction: column; align-items: center; }
.stat-num { font-family: 'Playfair Display', serif; font-size: 1.4rem; font-weight: 700; color: var(--ink); line-height: 1; }
.stat-caption { font-size: 0.68rem; color: var(--muted); margin-top: 3px; font-family: 'DM Mono', monospace; }
.stat-divider { width: 1px; height: 30px; background: var(--rule); flex-shrink: 0; }

/* ═══════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .cs-layout { grid-template-columns: 1fr; }
  .cs-sidebar { position: static; }
  .cs-kpis { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 960px) {
  .process-grid { grid-template-columns: repeat(2,1fr); }
  .proc-step:nth-child(1), .proc-step:nth-child(2) { border-bottom: 1px solid var(--rule); }
  .proc-step:nth-child(3) { border-left: none; }
  .service-grid { grid-template-columns: 1fr; }
  .layer-cards--4 { grid-template-columns: 1fr 1fr; }
  .demo-layout { grid-template-columns: 1fr; }
  .demo-preview { order: -1; aspect-ratio: 16/9; }
}
@media (max-width: 768px) {
  .hero-layout, .problem-cols, .solution-cols { grid-template-columns: 1fr; }
  .cs-kpis { grid-template-columns: 1fr 1fr; }
  .layer-cards { grid-template-columns: 1fr; }
  .layer-cards--4 { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .proc-step + .proc-step { border-left: none; border-top: 1px solid var(--rule); }
  .nav-links { display: none; }
  .hamburger { display: block; }
}
@media (max-width: 480px) {
  .cs-kpis { grid-template-columns: 1fr; }
  .hero-stats { gap: 14px; }
}