/* ---------- design tokens ---------- */
:root {
  --bg:        #0a0a0b;
  --bg-1:      #0f1012;
  --bg-2:      #14151a;
  --line:      #1f2027;
  --line-2:    #2a2c34;
  --fg:        #f5f6f8;
  --fg-mute:   #a1a3ad;
  --fg-dim:    #6b6e78;

  --accent:    #00d0a4;
  --accent-2:  #4dffd8;

  --violet:    #a78bfa;
  --green:     #34d399;
  --amber:     #fbbf24;
  --red:       #f87171;
  --cyan:      #38bdf8;

  --radius:    14px;
  --radius-lg: 22px;
  --shadow-1:  0 1px 0 rgba(255,255,255,0.04) inset, 0 0 0 1px var(--line);
  --shadow-2:  0 1px 0 rgba(255,255,255,0.05) inset, 0 0 0 1px var(--line-2), 0 20px 40px -20px rgba(0,0,0,0.6);

  --font-sans: 'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono: ui-monospace, 'JetBrains Mono', SFMono-Regular, Menlo, Consolas, monospace;
}

@supports (font-variation-settings: normal) {
  :root { --font-sans: 'InterVariable', 'Inter', ui-sans-serif, system-ui, sans-serif; }
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-feature-settings: 'cv11','ss01','ss03';
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }

::selection { background: rgba(0,208,164,0.3); color: var(--fg); }

.skip-link {
  position: absolute; left: -9999px; top: 8px;
  background: var(--accent); color: var(--bg); padding: 8px 12px; border-radius: 6px;
  font-weight: 600;
}
.skip-link:focus { left: 12px; z-index: 999; }

/* ---------- layout ---------- */
.container {
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: 24px;
}

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  background: rgba(10,10,11,0.7);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.nav.scrolled { border-bottom-color: var(--line); background: rgba(10,10,11,0.85); }
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 600; letter-spacing: -0.01em;
  color: var(--accent);
}
.brand-mark { width: 26px; height: 26px; color: var(--accent); }
.brand-text { color: var(--fg); font-size: 15px; }
.brand-lockup {
  height: 30px;
  width: auto;
  display: block;
}
@media (max-width: 480px) {
  .brand-lockup { height: 26px; }
}

.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a {
  color: var(--fg-mute);
  font-size: 14px;
  transition: color 0.15s ease;
}
.nav-links a:hover { color: var(--fg); }
.nav-cta {
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--fg);
  color: var(--bg) !important;
  font-weight: 500;
  transition: transform 0.15s ease, background 0.15s ease;
}
.nav-cta:hover { background: var(--accent); transform: translateY(-1px); }

@media (max-width: 860px) {
  .nav-links { gap: 18px; }
  .nav-links a:nth-child(2),
  .nav-links a:nth-child(3) { display: none; }
}
@media (max-width: 560px) {
  .nav-links { gap: 14px; }
  .nav-links a:not(.nav-cta) { display: none; }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 18px;
  border-radius: 999px;
  font-weight: 500;
  font-size: 14px;
  letter-spacing: -0.005em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--fg); color: var(--bg);
}
.btn-primary:hover {
  background: var(--accent);
  transform: translateY(-1px);
}
.btn-ghost {
  background: transparent; color: var(--fg);
  border-color: var(--line-2);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-lg { padding: 14px 22px; font-size: 15px; }

/* ---------- hero ---------- */
.hero {
  position: relative;
  padding: clamp(72px, 14vh, 140px) 0 clamp(64px, 12vh, 110px);
  overflow: hidden;
  isolation: isolate;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 70%);
  z-index: -2;
}
.hero-glow {
  position: absolute; left: 50%; top: -10%;
  width: 800px; height: 800px;
  transform: translateX(-50%);
  background: radial-gradient(closest-side, rgba(0,208,164,0.18), transparent 70%);
  z-index: -1;
  pointer-events: none;
}

.badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line-2);
  font-size: 12.5px;
  color: var(--fg-mute);
  margin-bottom: 24px;
}
.badge-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(0,208,164,0.18);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(0,208,164,0.18); }
  50%      { box-shadow: 0 0 0 8px rgba(0,208,164,0.05); }
}

.hero-title {
  font-size: clamp(40px, 7vw, 76px);
  line-height: 1.04;
  letter-spacing: -0.035em;
  font-weight: 600;
  margin: 0 0 24px;
  max-width: 14ch;
}
.grad {
  background: linear-gradient(105deg, var(--accent) 0%, #7af0d4 50%, var(--fg) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  font-size: clamp(16px, 1.6vw, 19px);
  color: var(--fg-mute);
  max-width: 56ch;
  margin: 0 0 36px;
}
.hero-ctas {
  display: flex; gap: 12px; flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero-meta {
  display: flex; align-items: center; gap: 28px;
  flex-wrap: wrap;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  max-width: 620px;
}
.meta-item {
  display: flex; flex-direction: column; gap: 2px;
}
.meta-item strong {
  font-size: 28px; font-weight: 600; letter-spacing: -0.02em;
  font-family: var(--font-mono);
  color: var(--fg);
}
.meta-item span {
  font-size: 12.5px; color: var(--fg-dim); text-transform: uppercase; letter-spacing: 0.06em;
}
.meta-divider {
  width: 1px; height: 32px; background: var(--line);
}
@media (max-width: 540px) {
  .meta-divider { display: none; }
  .hero-meta { gap: 20px; }
}

/* ---------- section ---------- */
.section { padding: clamp(72px, 12vh, 120px) 0; position: relative; }
.section-alt {
  background:
    radial-gradient(ellipse 60% 40% at 50% 0%, rgba(0,208,164,0.06), transparent 60%),
    var(--bg);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.section-head {
  max-width: 720px;
  margin: 0 auto 56px;
  text-align: center;
}
.eyebrow {
  display: inline-block;
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 16px;
}
.section-head h2 {
  font-size: clamp(30px, 4.6vw, 48px);
  letter-spacing: -0.025em;
  line-height: 1.1;
  font-weight: 600;
  margin: 0 0 16px;
}
.section-head p {
  color: var(--fg-mute);
  font-size: clamp(15px, 1.4vw, 17px);
  margin: 0;
}

/* ---------- product grid ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}
@media (max-width: 780px) {
  .product-grid { grid-template-columns: 1fr; }
}

.product {
  position: relative;
  background: linear-gradient(180deg, var(--bg-1) 0%, var(--bg) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  overflow: hidden;
  transition: border-color 0.2s ease, transform 0.2s ease;
  outline: none;
}
.product::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 0%, var(--accent-color, var(--accent)) / 0.08, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.product:hover, .product:focus-visible {
  border-color: var(--accent-color, var(--accent));
  transform: translateY(-2px);
}
.product:hover::before, .product:focus-visible::before { opacity: 1; }

.product[data-accent="violet"] { --accent-color: var(--violet); }
.product[data-accent="green"]  { --accent-color: var(--green); }
.product[data-accent="amber"]  { --accent-color: var(--amber); }
.product[data-accent="red"]    { --accent-color: var(--red); }
.product[data-accent="cyan"]   { --accent-color: var(--cyan); }

.product-flow {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.product-wide { grid-column: 1 / -1; }
@media (max-width: 780px) { .product-wide { grid-column: auto; } }

/* visually-hidden helper */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}
.hp { display: none !important; }

/* ---------- bull interlude ---------- */
.bull-interlude {
  position: relative;
  display: grid;
  grid-template-columns: minmax(220px, 280px) 1fr;
  gap: 40px;
  align-items: center;
  padding: 44px 40px;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(ellipse 60% 100% at 0% 50%, rgba(248,113,113,0.08), transparent 60%),
    linear-gradient(180deg, var(--bg-1) 0%, var(--bg) 100%);
  border: 1px solid var(--line);
  overflow: hidden;
  isolation: isolate;
}
.bull-interlude::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse 70% 100% at 30% 50%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 70% 100% at 30% 50%, #000 30%, transparent 80%);
  z-index: -1;
  opacity: 0.6;
}
.bull-bg {
  position: absolute;
  left: -10%; top: 50%;
  transform: translateY(-50%);
  width: 320px; height: 320px;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(248,113,113,0.18), transparent 70%);
  z-index: -1;
  pointer-events: none;
}
.bull-figure {
  position: relative;
  display: grid;
  place-items: center;
  align-self: stretch;
}
.bull-figure img {
  max-width: 100%;
  max-height: 260px;
  width: auto; height: auto;
  filter: drop-shadow(0 12px 30px rgba(0,0,0,0.5));
  transform: rotate(-3deg);
  transition: transform 0.4s ease;
}
.bull-interlude:hover .bull-figure img { transform: rotate(0); }

.bull-content { min-width: 0; }
.bull-content .eyebrow { color: var(--red); margin-bottom: 8px; }
.bull-content h3 {
  font-size: clamp(26px, 3.2vw, 36px);
  letter-spacing: -0.025em;
  line-height: 1.05;
  font-weight: 600;
  margin: 0 0 12px;
}
.bull-content > p {
  color: var(--fg-mute);
  font-size: 15px;
  margin: 0 0 24px;
  max-width: 56ch;
}

.bull-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 520px;
}
.bull-form-row {
  display: flex;
  gap: 8px;
  align-items: stretch;
}
.bull-form-row input[type="email"] {
  flex: 1;
  min-width: 0;
  padding: 12px 16px;
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line-2);
  color: var(--fg);
  font: inherit;
  font-size: 14.5px;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.bull-form-row input[type="email"]::placeholder { color: var(--fg-dim); }
.bull-form-row input[type="email"]:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(0,208,164,0.04);
}
.bull-form-row .btn { padding: 12px 20px; }

.bull-form-checks {
  border: 0;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.bull-form-checks label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--fg-mute);
  cursor: pointer;
  user-select: none;
}
.bull-form-checks input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 16px; height: 16px;
  border-radius: 4px;
  border: 1px solid var(--line-2);
  background: rgba(255,255,255,0.04);
  display: grid; place-items: center;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.bull-form-checks input[type="checkbox"]:checked {
  background: var(--accent);
  border-color: var(--accent);
}
.bull-form-checks input[type="checkbox"]:checked::after {
  content: "";
  width: 9px; height: 5px;
  border-left: 2px solid var(--bg);
  border-bottom: 2px solid var(--bg);
  transform: rotate(-45deg) translate(1px, -1px);
}
.bull-form-note {
  font-size: 12px;
  color: var(--fg-dim);
  margin: 0;
}

.bull-thanks {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px 22px;
  border-radius: var(--radius);
  background: rgba(0,208,164,0.06);
  border: 1px solid rgba(0,208,164,0.3);
  max-width: 520px;
}
.bull-thanks strong { color: var(--accent); }
.bull-thanks span { color: var(--fg-mute); font-size: 14px; }

@media (max-width: 760px) {
  .bull-interlude {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 32px 24px;
    text-align: left;
  }
  .bull-figure img { max-height: 180px; }
  .bull-form-row { flex-direction: column; }
  .bull-form-row .btn { width: 100%; justify-content: center; }
}

/* ---------- trek (medical tricorder) accent ---------- */
.product-trek {
  position: relative;
  background:
    radial-gradient(ellipse 60% 80% at 100% 0%, rgba(56,189,248,0.08), transparent 60%),
    linear-gradient(180deg, var(--bg-1) 0%, var(--bg) 100%);
}
.product-trek::after {
  content: "";
  position: absolute;
  top: 0; right: 0;
  width: 160px; height: 100%;
  background: radial-gradient(closest-side, rgba(56,189,248,0.06), transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.product-trek > * { position: relative; z-index: 1; }
.product-trek .tagline { font-style: italic; }

.product-head {
  display: flex; align-items: center; justify-content: space-between;
}
.product-icon {
  width: 56px; height: 56px;
  display: grid; place-items: center;
  border-radius: 14px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line-2);
  color: var(--accent-color, var(--accent));
  overflow: hidden;
  flex: none;
}
.product-icon svg { width: 26px; height: 26px; }
.product-icon-img {
  background: #fff;
  border-color: rgba(255,255,255,0.12);
  padding: 6px;
}
.product-icon-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.product-status {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11.5px;
  font-family: var(--font-mono);
  text-transform: uppercase; letter-spacing: 0.06em;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  color: var(--fg-mute);
}
.product-status::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--fg-dim);
}
.product-status.live  { color: var(--green); border-color: rgba(52,211,153,0.3); }
.product-status.live::before  { background: var(--green); box-shadow: 0 0 0 3px rgba(52,211,153,0.15); }
.product-status.soon  { color: var(--amber); border-color: rgba(251,191,36,0.3); }
.product-status.soon::before  { background: var(--amber); }
.product-status.proto { color: var(--cyan); border-color: rgba(56,189,248,0.3); }
.product-status.proto::before { background: var(--cyan); box-shadow: 0 0 0 3px rgba(56,189,248,0.15); }

.product h3 {
  font-size: 26px;
  letter-spacing: -0.02em;
  font-weight: 600;
  margin: 0;
}
.product .tagline {
  color: var(--accent-color, var(--accent));
  font-size: 14.5px;
  font-weight: 500;
  margin: -8px 0 0;
}
.product-desc {
  color: var(--fg-mute);
  font-size: 15px;
  margin: 0;
}

.product-meta {
  list-style: none;
  margin: 4px 0 0;
  padding: 18px 0 0;
  border-top: 1px dashed var(--line);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 18px;
  font-size: 13px;
  color: var(--fg);
}
.product-meta li { display: flex; flex-direction: column; gap: 2px; }
.product-meta li span {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg-dim);
  font-weight: 500;
}

.product-cta {
  margin-top: auto;
  align-self: flex-start;
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--accent-color, var(--accent));
  padding: 8px 0;
  position: relative;
}
.product-cta svg { transition: transform 0.2s ease; }
.product-cta:hover svg { transform: translateX(3px); }

/* ---------- shift4 partnership ---------- */
.shift4-section { padding-top: clamp(56px, 9vh, 96px); padding-bottom: clamp(56px, 9vh, 96px); }
.shift4-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(260px, 380px) 1fr;
  gap: 48px;
  align-items: start;
  padding: clamp(36px, 5vw, 56px);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(ellipse 60% 80% at 0% 0%, rgba(0,208,164,0.08), transparent 60%),
    linear-gradient(180deg, var(--bg-1) 0%, var(--bg) 100%);
  border: 1px solid var(--line-2);
  overflow: hidden;
}
.shift4-card::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 70% 90% at 100% 100%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 70% 90% at 100% 100%, #000 30%, transparent 80%);
  pointer-events: none;
}
.shift4-head { position: relative; }
.shift4-head h2 {
  font-size: clamp(28px, 3.6vw, 42px);
  letter-spacing: -0.025em;
  line-height: 1.05;
  font-weight: 600;
  margin: 0;
}
.shift4-body { position: relative; min-width: 0; }
.shift4-body p {
  color: var(--fg-mute);
  font-size: 15.5px;
  line-height: 1.65;
  margin: 0 0 28px;
  max-width: 60ch;
}
.shift4-body strong { color: var(--fg); font-weight: 500; }
.shift4-body em { color: var(--accent); font-style: normal; }

.shift4-deployments {
  border-top: 1px dashed var(--line);
  padding-top: 20px;
}
.shift4-label {
  display: block;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--fg-dim);
  margin-bottom: 10px;
  font-weight: 500;
}
.shift4-deployments ul {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.shift4-deployments li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(0,208,164,0.06);
  border: 1px solid rgba(0,208,164,0.25);
  color: var(--fg);
  font-size: 13px;
  font-weight: 500;
}
.shift4-deployments li::before {
  content: "";
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,208,164,0.15);
}
.shift4-deployments li.more {
  background: transparent;
  border-color: var(--line-2);
  color: var(--fg-dim);
  font-style: italic;
}
.shift4-deployments li.more::before {
  background: var(--fg-dim);
  box-shadow: none;
}
@media (max-width: 780px) {
  .shift4-card { grid-template-columns: 1fr; gap: 24px; }
}

/* ---------- philosophy ---------- */
.philosophy {
  position: relative;
  background:
    radial-gradient(ellipse 60% 40% at 50% 0%, rgba(0,208,164,0.05), transparent 60%),
    var(--bg);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-bottom: 56px;
}
@media (max-width: 780px) { .philosophy-grid { grid-template-columns: 1fr; } }

.philosophy-card {
  position: relative;
  background: linear-gradient(180deg, var(--bg-1) 0%, var(--bg) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.philosophy-mark {
  width: 56px; height: 56px;
  display: grid; place-items: center;
  border-radius: 14px;
  background: rgba(0,208,164,0.08);
  border: 1px solid rgba(0,208,164,0.25);
  color: var(--accent);
  font-size: 28px;
  font-weight: 600;
  font-family: var(--font-mono);
  line-height: 1;
  margin-bottom: 6px;
}
.philosophy-card h3 {
  font-size: 26px;
  letter-spacing: -0.02em;
  font-weight: 600;
  margin: 0;
}
.philosophy-lead {
  font-size: 16px;
  color: var(--fg);
  font-weight: 500;
  margin: 0;
  letter-spacing: -0.01em;
}
.philosophy-card p:last-child {
  color: var(--fg-mute);
  font-size: 15px;
  margin: 0;
}

.philosophy-quote {
  margin: 0 auto;
  max-width: 760px;
  padding: 36px 40px;
  border-left: 2px solid var(--accent);
  background: linear-gradient(90deg, rgba(0,208,164,0.04), transparent 80%);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.philosophy-quote p {
  font-size: clamp(17px, 1.8vw, 22px);
  line-height: 1.5;
  letter-spacing: -0.015em;
  color: var(--fg);
  margin: 0 0 16px;
  font-weight: 500;
}
.philosophy-quote footer {
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  font-family: var(--font-mono);
}

/* ---------- community ---------- */
.community-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  max-width: 760px;
  margin: 0 auto;
}
.community-card {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.community-card:hover {
  border-color: var(--line-2);
  transform: translateY(-2px);
}
.community-emoji {
  font-size: 44px;
  line-height: 1;
  flex: none;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.4));
}
.community-body { flex: 1; min-width: 0; }
.community-body h3 {
  font-size: 22px;
  letter-spacing: -0.02em;
  font-weight: 600;
  margin: 0 0 8px;
}
.community-body p {
  color: var(--fg-mute);
  font-size: 14.5px;
  margin: 0 0 14px;
}
.community-body .product-cta { color: var(--accent); }
@media (max-width: 540px) {
  .community-card { flex-direction: column; gap: 12px; padding: 24px; }
}

/* ---------- why ---------- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 48px;
}
@media (max-width: 780px) { .why-grid { grid-template-columns: 1fr; } }

.why-card {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.why-card:hover {
  border-color: var(--line-2);
  transform: translateY(-2px);
}
.why-icon {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: 10px;
  background: rgba(0,208,164,0.08);
  color: var(--accent);
  margin-bottom: 18px;
}
.why-icon svg { width: 20px; height: 20px; }
.why-card h3 {
  font-size: 17px;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
  font-weight: 600;
}
.why-card p { color: var(--fg-mute); font-size: 14.5px; margin: 0; }

.ai-callout {
  display: flex; align-items: center; gap: 20px;
  background:
    linear-gradient(180deg, rgba(0,208,164,0.06), rgba(0,208,164,0.02)),
    var(--bg-1);
  border: 1px solid rgba(0,208,164,0.25);
  border-radius: var(--radius);
  padding: 22px 26px;
}
.ai-callout-pulse {
  width: 14px; height: 14px; flex: none;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(0,208,164,0.6);
  animation: ringPulse 2s ease-out infinite;
}
@keyframes ringPulse {
  0%   { box-shadow: 0 0 0 0 rgba(0,208,164,0.6); }
  100% { box-shadow: 0 0 0 14px rgba(0,208,164,0); }
}
.ai-callout p { margin: 4px 0 0; color: var(--fg); font-size: 15px; }
.ai-callout a { color: var(--accent); font-weight: 500; }
.ai-callout a:hover { text-decoration: underline; }
@media (max-width: 540px) {
  .ai-callout { flex-direction: column; align-items: flex-start; gap: 12px; }
}

/* ---------- cta ---------- */
.cta-section { padding-bottom: 120px; }
.cta-card {
  background:
    radial-gradient(ellipse 80% 100% at 50% 0%, rgba(0,208,164,0.12), transparent 60%),
    linear-gradient(180deg, var(--bg-1), var(--bg));
  border: 1px solid var(--line-2);
  border-radius: var(--radius-lg);
  padding: clamp(48px, 8vw, 80px) 32px;
  text-align: center;
}
.cta-card h2 {
  font-size: clamp(28px, 4vw, 42px);
  letter-spacing: -0.025em;
  font-weight: 600;
  margin: 0 0 12px;
  line-height: 1.15;
}
.cta-card p { color: var(--fg-mute); margin: 0 auto 28px; max-width: 48ch; }

/* ---------- footer ---------- */
.footer {
  border-top: 1px solid var(--line);
  padding: 56px 0 36px;
  background: var(--bg);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 48px;
}
@media (max-width: 720px) {
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
}
.footer-tag {
  color: var(--fg-mute);
  font-size: 13.5px;
  margin: 16px 0 18px;
  max-width: 30ch;
}
.parent-mark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px 8px 8px;
  border-radius: 10px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
  color: var(--fg-mute);
  font-size: 12px;
  margin-bottom: 14px;
}
.parent-mark img {
  width: 22px; height: 22px;
  border-radius: 5px;
  object-fit: contain;
  background: #fff;
  padding: 2px;
}
.parent-mark strong { color: var(--fg); font-weight: 500; }
.built-stamp {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(0,208,164,0.3);
  background: rgba(0,208,164,0.06);
  color: var(--accent);
  font-size: 11.5px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 500;
}
.built-stamp svg { width: 14px; height: 14px; }
.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
}
@media (max-width: 540px) { .footer-cols { grid-template-columns: 1fr 1fr; } }

.footer-col {
  display: flex; flex-direction: column; gap: 10px;
}
.footer-col h4 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-dim);
  font-weight: 500;
  margin: 0 0 6px;
}
.footer-col a {
  font-size: 14px;
  color: var(--fg-mute);
  transition: color 0.15s ease;
}
.footer-col a:hover { color: var(--fg); }
.footer-muted { font-size: 13px; color: var(--fg-dim); }

/* ---------- reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  will-change: opacity, transform;
}
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}