/* ============================================================
   PRIVATE/APP — Page-specific styles
============================================================ */

/* -------------------- NAV -------------------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center;
  padding: 0 var(--gutter);
  background: rgba(11, 13, 16, 0.72);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom: 1px solid rgba(232, 230, 225, 0.08);
  color: var(--fg-on-dark);
  transition: background var(--dur-2) var(--ease-out),
              color var(--dur-2) var(--ease-out),
              border-color var(--dur-2) var(--ease-out);
}
.nav.on-light {
  background: rgba(244, 242, 237, 0.78);
  border-bottom: 1px solid rgba(18, 20, 24, 0.08);
  color: var(--fg-on-light);
}
.nav-inner {
  width: 100%; max-width: var(--maxw); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--sp-5);
}
.nav-left, .nav-right { display: flex; align-items: center; gap: var(--sp-6); }
.nav-mark { display: flex; align-items: center; gap: var(--sp-3); }
.nav-coord {
  font-family: var(--ff-mono); font-size: var(--fs-micro);
  letter-spacing: 0.1em; opacity: 0.55;
}
.nav-link {
  font-family: var(--ff-mono); font-size: var(--fs-micro);
  letter-spacing: 0.16em; text-transform: uppercase;
  opacity: 0.7; transition: opacity var(--dur-1) var(--ease-out);
}
.nav-link:hover { opacity: 1; }
.nav-status {
  display: flex; align-items: center; gap: var(--sp-2);
  font-family: var(--ff-mono); font-size: var(--fs-micro);
  letter-spacing: 0.1em; opacity: 0.7;
}
.status-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--op-green);
  box-shadow: 0 0 0 0 rgba(61, 214, 140, 0.6);
  animation: pulse 2.4s var(--ease-out) infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(61, 214, 140, 0.5); }
  70% { box-shadow: 0 0 0 8px rgba(61, 214, 140, 0); }
  100% { box-shadow: 0 0 0 0 rgba(61, 214, 140, 0); }
}

/* -------------------- SECTION SCAFFOLD -------------------- */
.section {
  position: relative;
  padding: var(--sp-10) var(--gutter);
}
.section-inner {
  width: 100%; max-width: var(--maxw); margin: 0 auto;
}
.section-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: var(--sp-6);
  padding-bottom: var(--sp-4);
  border-bottom: 1px solid currentColor;
  border-color: rgba(18,20,24,0.12);
  margin-bottom: var(--sp-7);
}
.surface-ink .section-head { border-color: rgba(232,230,225,0.12); }
.section-head h2 {
  font-size: var(--fs-xl); font-weight: 500;
  letter-spacing: -0.02em; line-height: 1.05;
  max-width: 20ch;
}
.section-head .meta {
  font-family: var(--ff-mono); font-size: var(--fs-micro);
  letter-spacing: 0.14em; text-transform: uppercase; opacity: 0.55;
  text-align: right; flex-shrink: 0;
}

/* -------------------- HERO -------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  padding: calc(var(--nav-h) + var(--sp-8)) var(--gutter) var(--sp-7);
  background: var(--ink-000);
  color: var(--fg-on-dark);
  overflow: hidden;
  display: flex; flex-direction: column; justify-content: space-between;
}

/* subtle grid backdrop */
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(232,230,225,0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(232,230,225,0.035) 1px, transparent 1px);
  background-size: 96px 96px;
  mask-image: radial-gradient(ellipse at 50% 40%, rgba(0,0,0,0.9), rgba(0,0,0,0) 75%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 40%, rgba(0,0,0,0.9), rgba(0,0,0,0) 75%);
  pointer-events: none;
}

.hero-inner {
  position: relative; z-index: 1;
  width: 100%; max-width: var(--maxw); margin: 0 auto;
  flex: 1;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: var(--sp-7);
}

.hero-top {
  display: flex; align-items: baseline; justify-content: space-between;
  font-family: var(--ff-mono); font-size: var(--fs-micro);
  letter-spacing: 0.14em; text-transform: uppercase; opacity: 0.5;
}
.hero-top .hm-cell { display: flex; gap: var(--sp-3); align-items: baseline; }

.hero-center {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: var(--sp-7);
}
@media (max-width: 960px) { .hero-center { grid-template-columns: 1fr; } }

.hero-title {
  font-size: var(--fs-hero);
  font-weight: 500;
  line-height: 0.9;
  letter-spacing: -0.045em;
  max-width: 14ch;
}
.hero-title .line { display: block; }
.hero-title em {
  font-style: normal;
  color: var(--fg-on-dark-2);
  font-weight: 300;
}

.hero-meta {
  display: flex; flex-direction: column; gap: var(--sp-4);
  min-width: 320px; max-width: 420px;
  padding-left: var(--sp-5);
  border-left: 1px solid rgba(232,230,225,0.15);
}
.hero-meta p {
  font-size: var(--fs-md);
  line-height: 1.45;
  color: var(--fg-on-dark);
  max-width: 38ch;
}
.hero-meta .row {
  display: flex; justify-content: space-between;
  font-family: var(--ff-mono); font-size: var(--fs-xs);
  opacity: 0.65;
  padding: var(--sp-2) 0;
  border-top: 1px solid rgba(232,230,225,0.1);
}
.hero-meta .row:first-of-type { margin-top: var(--sp-3); }

.hero-bottom {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-5);
  padding-top: var(--sp-5);
  border-top: 1px solid rgba(232,230,225,0.12);
}
@media (max-width: 820px) { .hero-bottom { grid-template-columns: repeat(2, 1fr); } }
.hb-cell .k {
  font-family: var(--ff-mono); font-size: var(--fs-micro);
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--fg-on-dark-3);
  margin-bottom: var(--sp-2);
}
.hb-cell .v {
  font-size: var(--fs-md); font-weight: 400; line-height: 1.3;
  color: var(--fg-on-dark);
  max-width: 28ch;
}
.hb-cell .v strong { color: var(--signal); font-weight: 400; }

/* Instrument strip — ticker that sits below the title */
.instrument {
  display: flex; gap: var(--sp-6);
  align-items: center;
  font-family: var(--ff-mono);
  font-size: var(--fs-xs);
  opacity: 0.7;
  padding: var(--sp-3) 0;
  overflow: hidden;
  white-space: nowrap;
}
.instrument .chip {
  display: inline-flex; gap: var(--sp-2); align-items: center;
  padding: 2px 0;
}
.instrument .chip::before {
  content: ""; width: 5px; height: 5px; border-radius: 50%;
  background: var(--fg-on-dark-3);
}
.instrument .chip.ok::before { background: var(--op-green); }
.instrument .chip.warn::before { background: var(--op-amber); }
.instrument .chip.alert::before { background: var(--op-red); }
.instrument .chip.live::before { background: var(--signal); box-shadow: 0 0 10px var(--signal); }

/* -------------------- CLAIM strip (light) -------------------- */
.claim {
  background: var(--bone-000);
  color: var(--fg-on-light);
  padding: var(--sp-9) var(--gutter);
}
.claim-inner {
  max-width: var(--maxw); margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--sp-8);
  align-items: start;
}
@media (max-width: 860px) { .claim-inner { grid-template-columns: 1fr; gap: var(--sp-5); } }
.claim-k {
  font-family: var(--ff-mono); font-size: var(--fs-micro);
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--fg-on-light-3);
}
.claim-body {
  font-size: var(--fs-2xl);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.08;
  max-width: 22ch;
}
.claim-body em {
  font-style: normal;
  color: var(--fg-on-light-3);
  font-weight: 300;
}

/* -------------------- Capabilities (light, grid) -------------------- */
.caps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--bone-100);
  border-left: 1px solid var(--bone-100);
}
@media (max-width: 860px) { .caps-grid { grid-template-columns: 1fr; } }
.cap {
  padding: var(--sp-6) var(--sp-5);
  border-right: 1px solid var(--bone-100);
  border-bottom: 1px solid var(--bone-100);
  display: flex; flex-direction: column; gap: var(--sp-4);
  min-height: 280px;
  transition: background var(--dur-2) var(--ease-out);
  position: relative;
}
.cap:hover { background: var(--bone-050); }
.cap-num {
  font-family: var(--ff-mono); font-size: var(--fs-micro);
  letter-spacing: 0.14em; color: var(--signal);
}
.cap h3 {
  font-size: var(--fs-lg); font-weight: 500;
  letter-spacing: -0.015em; line-height: 1.15;
  max-width: 14ch;
}
.cap p {
  font-size: var(--fs-sm); line-height: 1.55;
  color: var(--fg-on-light-2);
  max-width: 36ch;
  margin-top: auto;
}
.cap-tags {
  display: flex; flex-wrap: wrap; gap: var(--sp-2);
  margin-top: var(--sp-3);
}
.cap-tag {
  font-family: var(--ff-mono); font-size: 10px;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 3px 7px;
  border: 1px solid var(--bone-200);
  color: var(--fg-on-light-2);
  border-radius: var(--radius-1);
}

/* -------------------- PRODUCT section (dark) -------------------- */
.product {
  background: var(--ink-000);
  color: var(--fg-on-dark);
  padding: var(--sp-9) var(--gutter);
  position: relative;
  overflow: hidden;
}
.product::before {
  content:""; position: absolute; inset: 0;
  background: radial-gradient(1200px 600px at 100% 0%, rgba(255,90,60,0.06), transparent 60%);
  pointer-events: none;
}
.artifact-stack {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-auto-rows: auto;
  gap: var(--sp-5);
  position: relative;
  z-index: 1;
}
@media (max-width: 860px) { .artifact-stack { grid-template-columns: 1fr; } }

/* Side-by-side desktop + mobile showcase */
.artifact.showcase { grid-column: 1 / -1; padding: 0; background: transparent; border: 0; overflow: visible; }
.showcase-inner {
  display: grid;
  grid-template-columns: 1.65fr 1fr;
  gap: var(--sp-5);
  align-items: stretch;
}
@media (max-width: 860px) { .showcase-inner { grid-template-columns: 1fr; } }

.showcase-desktop {
  position: relative;
  background: var(--ink-050);
  border: 1px solid var(--ink-200);
  border-radius: var(--radius-2);
  overflow: hidden;
  display: flex; flex-direction: column;
}
.showcase-desktop .browser-chrome {
  display: flex; align-items: center; gap: 6px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--ink-200);
  background: var(--ink-100);
}
.showcase-desktop .dot-chrome { width: 9px; height: 9px; border-radius: 50%; background: var(--ink-300); }
.showcase-desktop .browser-url {
  margin-left: 12px;
  font-family: var(--ff-mono); font-size: 10px; letter-spacing: 0.08em;
  color: var(--fg-on-dark-3);
  padding: 4px 10px;
  background: var(--ink-000);
  border-radius: 999px;
  flex: 1; max-width: 340px;
  overflow: hidden; white-space: nowrap; text-overflow: ellipsis;
}
.showcase-desktop img { width: 100%; display: block; flex: 1; object-fit: cover; object-position: top; }
.showcase-desktop .artifact-meta { border-top: 1px solid var(--ink-200); }

.showcase-mobile {
  display: flex; flex-direction: column;
  background: var(--ink-050);
  border: 1px solid var(--ink-200);
  border-radius: var(--radius-2);
  padding: var(--sp-6) var(--sp-5) var(--sp-4);
  align-items: center;
  position: relative;
  overflow: hidden;
}
.showcase-mobile::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(600px 400px at 50% -10%, rgba(255,90,60,0.06), transparent 60%),
    linear-gradient(to bottom, transparent, transparent 60%, rgba(255,90,60,0.04));
  pointer-events: none;
}

/* Pure-CSS iPhone frame */
.phone {
  position: relative; z-index: 1;
  width: 220px; height: 450px;
  border-radius: 36px;
  background: #0a0a0c;
  padding: 8px;
  box-shadow:
    0 0 0 1.5px #1f2128,
    0 0 0 3px #0a0a0c,
    0 30px 60px -20px rgba(0,0,0,0.8),
    0 10px 20px -5px rgba(255,90,60,0.08);
}
.phone-screen {
  position: relative;
  width: 100%; height: 100%;
  border-radius: 28px;
  overflow: hidden;
  background: #000;
}
.phone-island {
  position: absolute; top: 8px; left: 50%; transform: translateX(-50%);
  width: 72px; height: 20px; border-radius: 12px; background: #000;
  z-index: 10;
}
.phone-statusbar {
  position: absolute; top: 0; left: 0; right: 0; height: 34px;
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 18px 0;
  font-family: var(--ff-mono); font-size: 10px; font-weight: 600;
  color: #fff;
  z-index: 5;
}
.phone-home {
  position: absolute; bottom: 6px; left: 50%; transform: translateX(-50%);
  width: 90px; height: 3px; border-radius: 2px;
  background: rgba(255,255,255,0.6);
  z-index: 10;
}

/* Mobile dashboard content (faithful to the real screen) */
.m-app {
  position: absolute; inset: 0;
  background: #000;
  color: #E8E6E1;
  font-family: var(--ff-sans);
  padding: 38px 14px 20px;
  overflow: hidden;
  font-size: 9px;
}
.m-app-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 10px;
}
.m-app-logo { font-family: var(--ff-mono); font-size: 9px; font-weight: 600; color: var(--signal); letter-spacing: 0.1em; }
.m-app-menu { font-size: 14px; color: #888; }

.m-tabs {
  display: flex; gap: 10px;
  font-family: var(--ff-mono); font-size: 8px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 10px; padding-bottom: 4px;
}
.m-tabs span { color: #6B6962; }
.m-tabs .active { color: var(--signal); border-bottom: 1px solid var(--signal); padding-bottom: 4px; margin-bottom: -5px; }

.m-title { font-size: 12px; font-weight: 600; color: #fff; margin-bottom: 1px; }
.m-date { font-family: var(--ff-mono); font-size: 7px; color: #6B6962; letter-spacing: 0.05em; margin-bottom: 10px; }

.m-card {
  background: #11141A;
  border: 1px solid #242932;
  border-radius: 4px;
  padding: 8px 8px 10px;
  margin-bottom: 6px;
}
.m-card-head {
  display: flex; justify-content: space-between; align-items: baseline;
  font-family: var(--ff-mono); font-size: 6px;
  color: #6B6962;
  letter-spacing: 0.1em; text-transform: uppercase;
  margin-bottom: 6px;
}
.m-card-head .view { color: var(--signal); }

.m-stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px;
}
.m-stat { text-align: left; }
.m-stat .v {
  font-size: 15px; font-weight: 500; line-height: 1;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}
.m-stat .l {
  font-family: var(--ff-mono); font-size: 5.5px;
  color: #8A8A85;
  letter-spacing: 0.1em; text-transform: uppercase;
  margin-top: 2px;
}
.m-stat.red .v { color: #E5484D; }
.m-stat.amber .v { color: #F5A524; }
.m-stat.blue .v { color: #5AA8FF; }
.m-stat.green .v { color: #3DD68C; }

.m-corridor {
  margin-top: 6px; padding: 5px 6px;
  background: #0B0D10;
  border-left: 2px solid #E5484D;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 7px;
}
.m-corridor .mi { color: #E5484D; font-family: var(--ff-mono); font-size: 8px; font-weight: 500; }
.m-corridor .n { color: #E8E6E1; }

.m-footer {
  font-family: var(--ff-mono); font-size: 6px;
  color: #555;
  letter-spacing: 0.08em;
  margin-top: 6px;
}

.mobile-caption {
  margin-top: var(--sp-4);
  display: flex; justify-content: space-between; align-items: center;
  width: 100%;
  font-family: var(--ff-mono); font-size: var(--fs-xs);
  color: var(--fg-on-dark-2);
}
.mobile-caption .id { color: var(--signal); }
.artifact {
  background: var(--ink-050);
  border: 1px solid var(--ink-200);
  border-radius: var(--radius-2);
  overflow: hidden;
  position: relative;
}
.artifact.full { grid-column: 1 / -1; }
.artifact-frame {
  aspect-ratio: 16 / 9;
  background: #000;
  display: block;
  width: 100%;
  object-fit: cover;
  object-position: top center;
}
.artifact-meta {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--sp-3) var(--sp-4);
  border-top: 1px solid var(--ink-200);
  font-family: var(--ff-mono); font-size: var(--fs-xs);
  color: var(--fg-on-dark-2);
}
.artifact-meta .id { color: var(--signal); }
.artifact-corner {
  position: absolute; top: var(--sp-3); right: var(--sp-3);
  font-family: var(--ff-mono); font-size: 10px;
  letter-spacing: 0.14em; text-transform: uppercase;
  padding: 4px 8px;
  background: rgba(11,13,16,0.7);
  border: 1px solid rgba(232,230,225,0.18);
  color: var(--fg-on-dark);
  border-radius: var(--radius-1);
  backdrop-filter: blur(6px);
}

/* -------------------- MANIFESTO -------------------- */
.manifesto {
  background: var(--bone-000);
  color: var(--fg-on-light);
  padding: var(--sp-10) var(--gutter);
}
.manifesto-inner {
  max-width: 1100px; margin: 0 auto;
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: var(--sp-8);
}
@media (max-width: 780px) { .manifesto-inner { grid-template-columns: 1fr; gap: var(--sp-4); } }
.manifesto-k { font-family: var(--ff-mono); font-size: var(--fs-micro); letter-spacing: 0.16em; text-transform: uppercase; color: var(--fg-on-light-3); padding-top: 8px; }
.manifesto-list { display: flex; flex-direction: column; }
.m-item {
  display: grid; grid-template-columns: 48px 1fr; gap: var(--sp-4);
  padding: var(--sp-5) 0;
  border-top: 1px solid var(--bone-100);
}
.m-item:last-child { border-bottom: 1px solid var(--bone-100); }
.m-item .n { font-family: var(--ff-mono); font-size: var(--fs-xs); color: var(--signal); letter-spacing: 0.1em; }
.m-item h4 { font-size: var(--fs-lg); font-weight: 500; letter-spacing: -0.01em; margin-bottom: var(--sp-2); }
.m-item p { font-size: var(--fs-sm); color: var(--fg-on-light-2); line-height: 1.6; max-width: 60ch; }

/* -------------------- CONTACT (dark) -------------------- */
.contact {
  background: var(--ink-000);
  color: var(--fg-on-dark);
  padding: var(--sp-10) var(--gutter) var(--sp-8);
}
.contact-inner { max-width: var(--maxw); margin: 0 auto; }
.contact-big {
  font-size: var(--fs-3xl);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 0.95;
  max-width: 16ch;
  margin-bottom: var(--sp-7);
}
.contact-big em { font-style: normal; color: var(--fg-on-dark-2); font-weight: 300; }
.contact-actions { display: flex; flex-wrap: wrap; gap: var(--sp-4); align-items: center; }

.btn {
  display: inline-flex; align-items: center; gap: var(--sp-3);
  padding: 14px 22px;
  font-family: var(--ff-mono); font-size: var(--fs-xs);
  letter-spacing: 0.14em; text-transform: uppercase;
  border: 1px solid rgba(232,230,225,0.25);
  border-radius: var(--radius-1);
  transition: background var(--dur-1), border-color var(--dur-1), color var(--dur-1), transform var(--dur-1);
}
.btn:hover { border-color: var(--signal); color: var(--signal); }
.btn.primary { background: var(--signal); color: var(--ink-000); border-color: var(--signal); }
.btn.primary:hover { background: transparent; color: var(--signal); }
.btn .arrow {
  display: inline-block;
  transform: translateX(0);
  transition: transform var(--dur-2) var(--ease-out);
}
.btn:hover .arrow { transform: translateX(4px); }

.contact-footer {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-top: var(--sp-9);
  padding-top: var(--sp-4);
  border-top: 1px solid rgba(232,230,225,0.12);
  font-family: var(--ff-mono); font-size: var(--fs-micro);
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--fg-on-dark-3);
}
.contact-footer a { color: inherit; transition: color var(--dur-1); }
.contact-footer a:hover { color: var(--fg-on-dark); }

/* -------------------- TWEAKS PANEL -------------------- */
.tweaks {
  position: fixed; right: 20px; bottom: 20px;
  z-index: 200;
  width: 300px;
  background: var(--ink-050);
  color: var(--fg-on-dark);
  border: 1px solid var(--ink-200);
  border-radius: var(--radius-2);
  font-family: var(--ff-mono);
  font-size: var(--fs-xs);
  padding: var(--sp-4);
  display: none;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.tweaks.on { display: block; }
.tweaks h5 {
  font-size: var(--fs-micro); letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--fg-on-dark-2); margin-bottom: var(--sp-3); font-weight: 500;
}
.tweak-row { display: flex; justify-content: space-between; align-items: center; padding: var(--sp-2) 0; border-top: 1px solid var(--ink-200); }
.tweak-row:first-of-type { border-top: 0; }
.tweak-row label { color: var(--fg-on-dark-2); letter-spacing: 0.08em; text-transform: uppercase; font-size: 10px; }
.tweak-row .swatches { display: flex; gap: 4px; }
.sw {
  width: 20px; height: 20px; border-radius: 50%;
  border: 1px solid rgba(232,230,225,0.15);
  cursor: pointer;
  transition: transform var(--dur-1);
}
.sw:hover { transform: scale(1.15); }
.sw.active { border-color: var(--fg-on-dark); }

/* -------------------- MOTION -------------------- */
.fade-up { opacity: 0; transform: translateY(18px); transition: opacity var(--dur-3) var(--ease-out), transform var(--dur-3) var(--ease-out); }
.fade-up.in { opacity: 1; transform: none; }

.reveal-line { position: relative; overflow: hidden; display: inline-block; }
.reveal-line > span { display: inline-block; transform: translateY(100%); transition: transform var(--dur-3) var(--ease-out); }
.reveal-line.in > span { transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ============================================================
   MOBILE OPTIMIZATION
============================================================ */

/* Tablet + small laptop */
@media (max-width: 1024px) {
  :root { --gutter: 28px; --sp-9: 72px; --sp-10: 96px; }
  .hero-title { font-size: clamp(56px, 11vw, 110px); }
}

/* Phone */
@media (max-width: 720px) {
  :root {
    --gutter: 20px;
    --nav-h: 52px;
    --sp-7: 36px; --sp-8: 48px; --sp-9: 56px; --sp-10: 72px;
  }

  body { font-size: 14px; }

  /* NAV — minimal mobile nav */
  .nav { padding: 0 20px; padding-right: max(20px, env(safe-area-inset-right)); padding-left: max(20px, env(safe-area-inset-left)); }
  .nav-coord { display: none; }
  .nav-links, .nav-status { display: none; }
  .nav-left { gap: 12px; }
  .nav-right { gap: 0; }
  .nav-right .nav-link { display: none; }
  .nav-right .nav-status {
    display: flex;
    gap: 6px;
  }
  .nav-right .nav-status span:not(.status-dot) {
    font-size: 10px;
  }
  .nav-mobile-toggle {
    display: inline-flex; width: 44px; height: 44px;
    align-items: center; justify-content: center;
    margin-right: -12px;
  }
  .nav-mobile-toggle .bar { width: 18px; height: 1.5px; background: currentColor; position: relative; }
  .nav-mobile-toggle .bar::before, .nav-mobile-toggle .bar::after {
    content: ""; position: absolute; left: 0; width: 18px; height: 1.5px; background: currentColor;
  }
  .nav-mobile-toggle .bar::before { top: -6px; }
  .nav-mobile-toggle .bar::after  { top:  6px; }

  /* Mobile slide-out menu */
  .mobile-menu {
    position: fixed; top: 0; right: 0; bottom: 0;
    width: min(320px, 86vw);
    background: var(--ink-000);
    color: var(--fg-on-dark);
    z-index: 150;
    transform: translateX(100%);
    transition: transform var(--dur-2) var(--ease-out);
    padding: calc(var(--nav-h) + 28px) 28px 28px;
    padding-top: calc(var(--nav-h) + 28px + env(safe-area-inset-top));
    display: flex; flex-direction: column; gap: 24px;
    border-left: 1px solid var(--ink-200);
  }
  .mobile-menu.open { transform: translateX(0); }
  .mobile-menu a {
    font-family: var(--ff-sans);
    font-size: 24px; font-weight: 500; letter-spacing: -0.02em;
    display: flex; align-items: center; justify-content: space-between;
    min-height: 44px;
    padding: 8px 0;
    border-bottom: 1px solid rgba(232,230,225,0.08);
  }
  .mobile-menu a::after {
    content: "→"; font-family: var(--ff-mono);
    color: var(--signal); font-size: 18px;
  }
  .mobile-menu .mm-foot {
    margin-top: auto;
    font-family: var(--ff-mono); font-size: 10px;
    letter-spacing: 0.14em; text-transform: uppercase;
    color: var(--fg-on-dark-3);
  }
  .mobile-menu-backdrop {
    position: fixed; inset: 0; z-index: 140;
    background: rgba(11,13,16,0.5); backdrop-filter: blur(4px);
    opacity: 0; pointer-events: none;
    transition: opacity var(--dur-2) var(--ease-out);
  }
  .mobile-menu-backdrop.open { opacity: 1; pointer-events: auto; }

  /* HERO */
  .hero {
    padding: calc(var(--nav-h) + 32px) 20px 32px;
    padding-bottom: max(32px, env(safe-area-inset-bottom));
    min-height: auto;
  }
  .hero::before { background-size: 48px 48px; }
  .hero-inner { gap: 28px; }
  .hero-top { flex-direction: column; align-items: flex-start; gap: 8px; font-size: 10px; }
  .hero-title {
    font-size: clamp(44px, 13vw, 72px);
    line-height: 0.92;
    max-width: 100%;
  }
  .hero-center { grid-template-columns: 1fr; gap: 24px; align-items: start; }
  .hero-meta {
    min-width: 0;
    padding-left: 16px;
    border-left: 1px solid rgba(232,230,225,0.15);
  }
  .hero-meta p { font-size: 15px; }
  .hero-meta .row { font-size: 10px; }

  .instrument {
    margin: 0 -20px; padding: 10px 20px;
    overflow-x: auto; overflow-y: hidden;
    scrollbar-width: none; -webkit-overflow-scrolling: touch;
    gap: 18px;
    font-size: 10px;
  }
  .instrument::-webkit-scrollbar { display: none; }

  .hero-bottom {
    grid-template-columns: 1fr;
    gap: 0;
    padding-top: 16px;
  }
  .hb-cell {
    padding: 16px 0;
    border-bottom: 1px solid rgba(232,230,225,0.08);
  }
  .hb-cell:last-child { border-bottom: 0; }
  .hb-cell .v { font-size: 14px; max-width: 100%; }

  /* CLAIM */
  .claim { padding: 56px 20px; }
  .claim-body { font-size: clamp(28px, 7vw, 40px); }

  /* SECTION HEAD */
  .section { padding: 56px 20px; }
  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .section-head h2 {
    font-size: clamp(28px, 7.5vw, 40px);
    max-width: 100%;
  }
  .section-head .meta { text-align: left; }

  /* CAPABILITIES */
  .caps-grid { grid-template-columns: 1fr; }
  .cap { min-height: 0; padding: 28px 20px; }
  .cap h3 { font-size: 20px; max-width: 100%; }
  .cap p { font-size: 14px; max-width: 100%; }

  /* PRODUCT / SHOWCASE */
  .product { padding: 56px 20px; }
  .showcase-inner { grid-template-columns: 1fr; gap: 16px; }
  .showcase-mobile { padding: 32px 16px 20px; }
  .phone { width: 200px; height: 410px; }
  .artifact-corner { font-size: 9px; top: 10px; right: 10px; padding: 3px 7px; }
  .artifact-meta, .mobile-caption { font-size: 10px; padding: 10px 12px; }

  /* MANIFESTO */
  .manifesto { padding: 56px 20px; }
  .m-item { grid-template-columns: 1fr; gap: 6px; padding: 20px 0; }
  .m-item h4 { font-size: 18px; }
  .m-item p { font-size: 14px; }

  /* CONTACT */
  .contact { padding: 64px 20px 40px; }
  .contact-big {
    font-size: clamp(36px, 10vw, 56px);
    max-width: 100%;
    letter-spacing: -0.03em;
  }
  .contact-actions { flex-direction: column; align-items: stretch; gap: 10px; }
  .btn {
    justify-content: space-between;
    padding: 16px 20px;
    min-height: 52px;
    width: 100%;
  }
  .contact-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    font-size: 10px;
  }

  /* Hide desktop-only tweaks panel */
  .tweaks { display: none !important; }
}

/* Very small phones (iPhone SE etc) */
@media (max-width: 380px) {
  .hero-title { font-size: clamp(38px, 14vw, 60px); }
  .phone { width: 180px; height: 370px; }
}

/* Prevent horizontal scroll anywhere */
html, body { overflow-x: hidden; }