@charset "UTF-8";
/* ==========================================================================
   Muhammad Mansoor - SaaS & AI Product Engineer
   Premium dark theme generated from SCSS tokens, mixins, and focused sections.
   ========================================================================== */
:root {
  --bg: #080b10;
  --bg-raised: #0d1119;
  --card: #10151f;
  --card-hover: #141b28;
  --line: #1d2434;
  --line-strong: #2a3450;
  --text: #edf2f8;
  --muted: #a3aec1;
  --faint: #708097;
  --accent: #6ba7ff;
  --accent-soft: #a6cbff;
  --accent-btn: #2f6be0;
  --accent-btn-hover: #3e7bff;
  --accent-dim: rgba(91, 157, 255, 0.14);
  --green: #34d399;
  --teal: #34d399;
  --amber: #f4b860;
  --rose: #fb7185;
  --red: #f87171;
  color-scheme: dark;
  --page-bg-start: #0b0e14;
  --page-bg-end: #07090d;
  --surface-rgb: 16, 21, 31;
  --surface-alt-rgb: 13, 17, 25;
  --surface-highlight: rgba(255, 255, 255, .035);
  --surface-grid-line: rgba(255, 255, 255, .025);
  --surface-weak: rgba(var(--surface-rgb), .72);
  --surface-panel: rgba(var(--surface-alt-rgb), .86);
  --surface-panel-soft: rgba(var(--surface-alt-rgb), .68);
  --surface-panel-strong: rgba(var(--surface-alt-rgb), .9);
  --section-glass: rgba(8, 11, 16, .62);
  --hero-bg-shade: rgba(8, 11, 16, .16);
  --header-bg: rgba(10, 13, 19, .85);
  --mobile-menu-bg: rgba(8, 11, 16, .98);
  --image-border: rgba(255, 255, 255, .12);
  --footer-bg: #080b10;
  --shadow-soft: 0 18px 55px rgba(0, 0, 0, .26);
  --shadow-hover: 0 22px 60px rgba(0, 0, 0, .24);
  --radius: 12px;
  --radius-tight: 8px;
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica Neue, Arial, sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --bg: #f5f7fb;
    --bg-raised: #edf2f8;
    --card: #ffffff;
    --card-hover: #f9fbff;
    --line: #d7e0ec;
    --line-strong: #b7c7dd;
    --text: #101828;
    --muted: #405169;
    --faint: #65758b;
    --accent-soft: color-mix(in srgb, var(--accent) 74%, #111827);
    --accent-btn-hover: color-mix(in srgb, var(--accent-btn) 86%, black);
    --accent-dim: color-mix(in srgb, var(--accent) 10%, transparent);
    --page-bg-start: #fbfcff;
    --page-bg-end: #e8eef7;
    --surface-rgb: 255, 255, 255;
    --surface-alt-rgb: 255, 255, 255;
    --surface-highlight: rgba(255, 255, 255, .86);
    --surface-grid-line: rgba(16, 24, 40, .05);
    --surface-weak: rgba(255, 255, 255, .84);
    --surface-panel: rgba(255, 255, 255, .94);
    --surface-panel-soft: rgba(255, 255, 255, .78);
    --surface-panel-strong: rgba(255, 255, 255, .98);
    --section-glass: rgba(239, 244, 251, .84);
    --hero-bg-shade: rgba(255, 255, 255, .48);
    --header-bg: rgba(251, 252, 255, .86);
    --mobile-menu-bg: rgba(251, 252, 255, .98);
    --image-border: rgba(16, 24, 40, .12);
    --footer-bg: #f8fafc;
    --shadow-soft: 0 18px 55px rgba(15, 23, 42, .1);
    --shadow-hover: 0 22px 60px rgba(15, 23, 42, .14);
  }
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  font-family: var(--font);
  background: linear-gradient(115deg, rgba(107, 167, 255, 0.08), transparent 32%), linear-gradient(245deg, rgba(52, 211, 153, 0.055), transparent 44%), linear-gradient(180deg, var(--page-bg-start) 0%, var(--bg) 42%, var(--page-bg-end) 100%);
  color: var(--text);
  line-height: 1.7;
  font-size: 1.0625rem;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: min(1120px, 92%);
  margin-inline: auto;
}

.container-narrow {
  width: min(780px, 92%);
}

.ic {
  width: 1.1em;
  height: 1.1em;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.accent {
  color: var(--accent);
}

::selection {
  background: rgba(91, 157, 255, 0.28);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 300;
  background: var(--accent-btn);
  color: #fff;
  padding: 0.6rem 1.2rem;
  border-radius: 0 0 10px 0;
  text-decoration: none;
  font-weight: 600;
}

.skip-link:focus {
  left: 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding: 1rem 0;
  transition: background 0.25s ease, padding 0.25s ease, border-color 0.25s ease;
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background: var(--header-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
  padding: 0.6rem 0;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent-btn), var(--accent));
  color: #fff;
  font-weight: 800;
  font-size: 1.15rem;
  border-radius: 10px;
}

.brand-name {
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  list-style: none;
}

.nav-menu a {
  display: inline-block;
  color: var(--muted);
  text-decoration: none;
  font-weight: 550;
  font-size: 0.95rem;
  padding: 0.5rem 0.8rem;
  border-radius: 8px;
  transition: color 0.2s;
}

.nav-menu a:hover {
  color: var(--text);
}

.nav-menu a.active {
  color: var(--accent-soft);
}

.nav-menu .nav-cta {
  background: var(--accent-btn);
  color: #fff;
  font-weight: 650;
  margin-left: 0.6rem;
  padding: 0.55rem 1.1rem;
  border-radius: 10px;
  transition: background 0.2s, transform 0.2s;
}

.nav-menu .nav-cta:hover {
  background: var(--accent-btn-hover);
  color: #fff;
  transform: translateY(-1px);
}

.nav-language {
  margin-left: 0.4rem;
}

.nav-language form {
  display: flex;
  align-items: center;
}

.nav-language select {
  color: var(--muted);
  background: var(--bg-raised);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 0.45rem 1.8rem 0.45rem 0.65rem;
  font: inherit;
  font-size: 0.9rem;
}

.nav-language select:focus {
  outline: none;
  border-color: var(--accent);
}

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 120;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  margin: 5px 0;
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  overflow: hidden;
  padding: 10.5rem 0 6.5rem;
  isolation: isolate;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.26;
  mask-image: linear-gradient(180deg, #000 8%, rgba(0, 0, 0, 0.72) 52%, transparent 92%);
  -webkit-mask-image: linear-gradient(180deg, #000 8%, rgba(0, 0, 0, 0.72) 52%, transparent 92%);
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(112deg, transparent 0 58%, rgba(107, 167, 255, 0.16) 58.2% 58.6%, transparent 58.8%), linear-gradient(138deg, transparent 0 66%, rgba(52, 211, 153, 0.12) 66.2% 66.55%, transparent 66.8%), linear-gradient(180deg, var(--hero-bg-shade), var(--bg) 92%);
  opacity: 0.9;
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 4rem;
  align-items: center;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 650;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-soft);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 0.38rem 1rem;
  margin-bottom: 1.4rem;
  background: var(--accent-dim);
}

.hero h1 {
  font-size: clamp(2.35rem, 5.2vw, 3.7rem);
  line-height: 1.08;
  letter-spacing: 0;
  font-weight: 750;
  margin-bottom: 1.2rem;
}

.hero-sub {
  color: var(--muted);
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  max-width: 33rem;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-bottom: 1.8rem;
}

.hero-cred {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  color: var(--faint);
  font-size: 0.95rem;
  max-width: 32rem;
}

.hero-cred .ic {
  color: var(--green);
  margin-top: 0.3em;
}

.trust-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  max-width: 36rem;
  margin-top: 1.4rem;
}

.trust-list li {
  border: 1px solid var(--line);
  background: var(--surface-weak);
  border-radius: 10px;
  padding: 0.75rem 0.85rem;
}

.trust-list strong {
  display: block;
  font-size: 1.15rem;
  line-height: 1;
  color: var(--text);
}

.trust-list span {
  display: block;
  color: var(--faint);
  font-size: 0.78rem;
  line-height: 1.35;
  margin-top: 0.35rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  font: inherit;
  font-weight: 650;
  font-size: 1rem;
  text-decoration: none;
  padding: 0.8rem 1.55rem;
  border-radius: 11px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent-btn);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-btn-hover);
}

.btn-ghost {
  color: var(--text);
  border-color: var(--line-strong);
  background: transparent;
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent-soft);
}

/* --- Product engineering visual --- */
.hero-visual {
  display: flex;
  justify-content: center;
  min-width: 0;
}

.hero-showcase {
  position: relative;
  width: min(465px, 100%);
  min-height: 430px;
  display: grid;
  place-items: end center;
}

.hero-portrait {
  position: absolute;
  right: 0;
  top: 0;
  width: clamp(112px, 12vw, 152px);
  aspect-ratio: 1;
  padding: 5px;
  background: linear-gradient(180deg, var(--surface-highlight), transparent) border-box, rgba(var(--surface-rgb), 0.74);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow-soft);
  z-index: 3;
}

.hero-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 13px;
  border: 1px solid var(--image-border);
}

.arch-panel {
  width: min(390px, 100% - 2rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  background: linear-gradient(180deg, var(--surface-highlight), transparent) border-box, rgba(var(--surface-rgb), 0.88);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow-soft);
  padding: 3.2rem 1.8rem 2.1rem;
  position: relative;
  overflow: hidden;
}

.arch-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background-image: linear-gradient(var(--surface-grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--surface-grid-line) 1px, transparent 1px);
  background-size: 28px 28px;
}

.arch-panel::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--teal), var(--amber), var(--rose));
}

.arch-node {
  position: relative;
  z-index: 1;
  font-size: 0.92rem;
  font-weight: 600;
  text-align: center;
  padding: 0.55rem 1.35rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--surface-panel);
  color: var(--text);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.arch-start {
  border-style: dashed;
  color: var(--muted);
  background: transparent;
}

.arch-mid {
  border-color: var(--line-strong);
}

.arch-end {
  border-color: rgba(52, 211, 153, 0.45);
  color: var(--green);
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.5);
  animation: pulse 2.4s ease-out infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.45);
  }
  70% {
    box-shadow: 0 0 0 9px rgba(52, 211, 153, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(52, 211, 153, 0);
  }
}
.arch-line {
  width: 1.5px;
  height: 26px;
  z-index: 1;
  background: linear-gradient(var(--line-strong), var(--accent));
  opacity: 0.8;
}

.arch-branches {
  list-style: none;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.45rem;
  padding: 0 0.4rem;
}

.arch-branches li {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-soft);
  border: 1px solid var(--line-strong);
  background: var(--accent-dim);
  padding: 0.3rem 0.8rem;
  border-radius: 8px;
}

.arch-branches li:nth-child(1) {
  color: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent-soft) 42%, var(--line-strong));
  background: color-mix(in srgb, var(--accent-soft) 14%, transparent);
}

.arch-branches li:nth-child(2) {
  color: var(--teal);
  border-color: color-mix(in srgb, var(--teal) 42%, var(--line-strong));
  background: color-mix(in srgb, var(--teal) 14%, transparent);
}

.arch-branches li:nth-child(3) {
  color: var(--amber);
  border-color: color-mix(in srgb, var(--amber) 42%, var(--line-strong));
  background: color-mix(in srgb, var(--amber) 14%, transparent);
}

.arch-branches li:nth-child(4) {
  color: var(--rose);
  border-color: color-mix(in srgb, var(--rose) 42%, var(--line-strong));
  background: color-mix(in srgb, var(--rose) 14%, transparent);
}

/* ==========================================================================
   Founder outcomes
   ========================================================================== */
.outcome-strip {
  padding: 3rem 0 1.5rem;
  background: linear-gradient(90deg, rgba(107, 167, 255, 0.08), transparent 42%, rgba(52, 211, 153, 0.06)), var(--bg);
  border-top: 1px solid var(--line);
}

.outcome-strip .section-eyebrow {
  margin-bottom: 1.2rem;
}

.outcome-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.outcome-item {
  background: var(--surface-panel);
  padding: 1.45rem;
}

.outcome-icon {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  margin-bottom: 0.9rem;
  color: var(--accent-soft);
  background: var(--accent-dim);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
}

.outcome-item h2 {
  font-size: 1.02rem;
  line-height: 1.3;
  margin-bottom: 0.45rem;
  letter-spacing: 0;
}

.outcome-item p {
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.65;
}

/* ==========================================================================
   Live engineering proof preview
   ========================================================================== */
.proof-preview {
  padding: 4.5rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(52, 211, 153, 0.06), transparent 40%, rgba(107, 167, 255, 0.07)), var(--section-glass);
}

.proof-preview-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 2rem;
  align-items: center;
}

.proof-preview .section-lead {
  margin-bottom: 1.4rem;
}

.proof-mini-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.proof-mini-metrics article {
  min-height: 172px;
  background: var(--surface-panel-strong);
  padding: 1.3rem;
}

.proof-mini-metrics strong {
  display: block;
  font-size: 2rem;
  line-height: 1;
  color: var(--text);
  margin-bottom: 0.55rem;
}

.proof-mini-metrics span {
  display: block;
  color: var(--accent-soft);
  font-weight: 700;
  font-size: 0.86rem;
  line-height: 1.35;
}

.proof-mini-metrics p {
  color: var(--faint);
  font-size: 0.84rem;
  line-height: 1.55;
  margin-top: 0.65rem;
}

/* ==========================================================================
   Sections
   ========================================================================== */
.section {
  padding: 6.5rem 0;
  position: relative;
}

.section-raised {
  background: linear-gradient(180deg, var(--surface-highlight), transparent 22%), var(--bg-raised);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-hero {
  padding: 10.5rem 0 3.5rem;
}

.section-eyebrow {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.7rem;
}

.section-title {
  font-size: clamp(1.75rem, 3.4vw, 2.5rem);
  letter-spacing: 0;
  line-height: 1.15;
  font-weight: 720;
  margin-bottom: 1rem;
}

.section-lead {
  color: var(--muted);
  max-width: 44rem;
  margin-bottom: 3rem;
}

.section-more {
  margin-top: 2.5rem;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent-soft);
  font-weight: 650;
  text-decoration: none;
}

.text-link:hover {
  color: var(--accent);
}

.text-link .ic {
  transition: transform 0.2s;
}

.text-link:hover .ic {
  transform: translateX(3px);
}

/* Cards */
.card {
  background: linear-gradient(180deg, var(--surface-highlight), transparent) border-box, rgba(var(--surface-rgb), 0.78);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  padding: 1.75rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.22s ease, border-color 0.22s ease, background 0.22s ease, box-shadow 0.22s ease;
}
.card:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-hover);
}

.card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), var(--teal), transparent);
  opacity: 0.58;
}

.card:hover {
  background: linear-gradient(180deg, var(--surface-highlight), transparent) border-box, var(--card-hover);
}

.card-icon {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 10px;
  margin-bottom: 1.1rem;
  background: linear-gradient(135deg, var(--accent-dim), rgba(52, 211, 153, 0.08));
  color: var(--accent-soft);
  border: 1px solid var(--line-strong);
  font-size: 1.15rem;
}

.card h3 {
  font-size: 1.12rem;
  letter-spacing: 0;
  margin-bottom: 0.5rem;
}

.card p {
  color: var(--muted);
  font-size: 0.96rem;
}

/* Chips & tags */
.chip {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  color: var(--accent-soft);
  background: var(--accent-dim);
  border: 1px solid var(--line-strong);
  padding: 0.28rem 0.8rem;
  border-radius: 999px;
}

.chip-muted {
  color: var(--faint);
  background: transparent;
  border-color: var(--line);
}

.tag-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.tag {
  font-size: 0.8rem;
  font-weight: 550;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.26rem 0.7rem;
  transition: color 0.2s, border-color 0.2s;
}

.tag:hover {
  color: var(--accent-soft);
  border-color: var(--line-strong);
}

/* ==========================================================================
   Services
   ========================================================================== */
.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.3rem;
}

.service-card .area-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.9rem;
  margin-top: 1.1rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
}

.area-list li {
  font-size: 0.84rem;
  font-weight: 550;
  color: var(--faint);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.area-list li::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.8;
}

/* ==========================================================================
   Selected work
   ========================================================================== */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.3rem;
}

.case-card {
  display: flex;
  flex-direction: column;
}

.case-category {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.6rem;
}

.case-title {
  font-size: 1.18rem;
}

.case-summary {
  flex: none;
  margin-bottom: 1.1rem;
}

.case-areas {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.5rem;
  font-size: 0.84rem;
  color: var(--faint);
  margin-bottom: 1.1rem;
}

.case-areas li {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.case-areas li:not(:last-child)::after {
  content: "·";
  color: var(--line-strong);
}

.case-card .tag-list {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.case-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.2rem;
  color: var(--accent-soft);
  font-weight: 650;
  font-size: 0.95rem;
  text-decoration: none;
}

.case-link .ic {
  transition: transform 0.2s;
}

.case-link:hover {
  color: var(--accent);
}

.case-link:hover .ic {
  transform: translateX(3px);
}

/* ==========================================================================
   Process
   ========================================================================== */
.process-grid {
  list-style: none;
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem 2rem;
}

.process-step {
  border-top: 1px solid var(--line);
  padding-top: 1.4rem;
  position: relative;
}

.process-step::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 44px;
  height: 1.5px;
  background: var(--accent);
}

.process-number {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 0.6rem;
  font-variant-numeric: tabular-nums;
}

.process-step h3 {
  font-size: 1.08rem;
  margin-bottom: 0.4rem;
  letter-spacing: 0;
}

.process-step p {
  color: var(--muted);
  font-size: 0.95rem;
}

/* ==========================================================================
   Technical foundations
   ========================================================================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.3rem;
}

.skill-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  margin-bottom: 1.1rem;
}

.skill-head h3 {
  font-size: 1.05rem;
  margin: 0;
}

.skill-core {
  border-color: var(--line-strong);
  background: linear-gradient(180deg, rgba(91, 157, 255, 0.05), var(--card) 45%);
}

.core-badge {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-soft);
  background: var(--accent-dim);
  border: 1px solid var(--line-strong);
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  flex: none;
}

/* ==========================================================================
   Engineering proof page
   ========================================================================== */
.proof-hero {
  padding-bottom: 4rem;
}

.proof-hero-grid {
  display: grid;
  grid-template-columns: 1fr 0.86fr;
  gap: 3rem;
  align-items: center;
}

.proof-system-map {
  background: linear-gradient(180deg, var(--surface-highlight), transparent) border-box, rgba(var(--surface-rgb), 0.86);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow-soft);
  min-height: 390px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0.8rem;
  padding: 2rem;
  position: relative;
  overflow: hidden;
}

.proof-system-map::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--surface-grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--surface-grid-line) 1px, transparent 1px);
  background-size: 30px 30px;
}

.proof-system-map::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--teal), var(--amber), var(--rose));
}

.system-row {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
  width: 100%;
}

.system-row-wide {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.system-node {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--text);
  font-weight: 650;
  font-size: 0.88rem;
  line-height: 1.25;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--surface-panel);
}

.system-entry {
  color: var(--accent-soft);
  background: var(--accent-dim);
}

.system-live {
  color: var(--green);
  border-color: rgba(52, 211, 153, 0.42);
  gap: 0.55rem;
}

.system-line {
  position: relative;
  z-index: 1;
  width: 1.5px;
  height: 24px;
  background: linear-gradient(var(--line-strong), var(--accent));
}

.proof-metrics-band {
  padding: 2rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--section-glass);
}

.proof-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.proof-metrics article {
  border-left: 2px solid var(--accent);
  padding: 0.35rem 0 0.35rem 1rem;
}

.proof-metrics strong {
  display: block;
  font-size: 2rem;
  line-height: 1;
  color: var(--text);
}

.proof-metrics span {
  display: block;
  color: var(--accent-soft);
  font-weight: 700;
  margin-top: 0.3rem;
}

.proof-metrics p {
  color: var(--faint);
  font-size: 0.9rem;
  line-height: 1.55;
  margin-top: 0.35rem;
}

.proof-capability-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.3rem;
}

.proof-capability .detail-list {
  margin-top: 1.2rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
}

.proof-capability .detail-list li {
  color: var(--faint);
  font-size: 0.92rem;
}

.stack-layer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
  overflow: hidden;
}

.stack-layer {
  background: var(--surface-panel-strong);
  padding: 1.45rem;
}

.stack-layer h3 {
  font-size: 1.02rem;
  letter-spacing: 0;
  margin-bottom: 0.5rem;
}

.stack-layer p {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.6;
  min-height: 5.9rem;
  margin-bottom: 1rem;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.3rem;
}

.principle-grid article {
  border-top: 1px solid var(--line-strong);
  padding-top: 1.1rem;
}

.principle-grid article::before {
  content: "";
  display: block;
  width: 44px;
  height: 2px;
  margin-top: -1.2rem;
  margin-bottom: 1rem;
  background: var(--accent);
}

.principle-grid h3 {
  font-size: 1rem;
  letter-spacing: 0;
  margin-bottom: 0.45rem;
}

.principle-grid p {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* ==========================================================================
   About
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 3.5rem;
  align-items: start;
}

.about-photo img {
  border-radius: 18px;
  border: 1px solid var(--line);
  width: 100%;
  height: auto;
}

.about-principle {
  margin-top: 1.2rem;
  padding-left: 1rem;
  border-left: 2px solid var(--accent);
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.45;
  color: var(--text);
}

.about-copy p {
  color: var(--muted);
  margin-bottom: 1.15rem;
  max-width: 40rem;
}

.about-copy p:nth-of-type(3) {
  color: var(--text);
  font-weight: 600;
}

.about-location {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--faint);
  font-size: 0.95rem;
  padding-top: 0.6rem;
  border-top: 1px solid var(--line);
  max-width: 40rem;
}

.about-location .ic {
  color: var(--accent);
}

/* ==========================================================================
   Experience
   ========================================================================== */
.exp-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.3rem;
}

.exp-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.exp-company {
  color: var(--accent-soft);
  font-weight: 650;
  font-size: 0.93rem;
}

.exp-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.4rem;
}

/* Timeline (full experience page) */
.timeline {
  list-style: none;
  position: relative;
  max-width: 860px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 10px;
  bottom: 10px;
  width: 1.5px;
  background: linear-gradient(var(--accent), var(--line) 70%, transparent);
}

.timeline-item {
  position: relative;
  padding-left: 70px;
  margin-bottom: 1.5rem;
}

.timeline-marker {
  position: absolute;
  left: 0;
  top: 8px;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--card);
  border: 1px solid var(--line-strong);
  color: var(--accent-soft);
  z-index: 1;
}

.timeline-role {
  font-size: 1.15rem;
  letter-spacing: 0;
}

/* ==========================================================================
   Education & certifications
   ========================================================================== */
.edu-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: start;
}

.edu-col-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.1rem;
  margin-bottom: 1.2rem;
}

.edu-col-title .ic {
  color: var(--accent);
  width: 1.35em;
  height: 1.35em;
}

.edu-card {
  margin-bottom: 1rem;
}

.edu-card h4 {
  font-size: 1.02rem;
  margin-bottom: 0.3rem;
}

.edu-card p {
  color: var(--muted);
  font-size: 0.92rem;
  margin-bottom: 0.8rem;
}

.cert-list {
  list-style: none;
  display: grid;
  gap: 1rem;
}

.cert-list li {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-weight: 600;
  font-size: 0.98rem;
}

.cert-list .ic {
  color: var(--green);
}

/* ==========================================================================
   Case study detail
   ========================================================================== */
.case-detail {
  padding-top: 9.5rem;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--faint);
  margin-bottom: 2rem;
}

.breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--accent-soft);
}

.case-lead {
  color: var(--muted);
  font-size: 1.15rem;
  max-width: 42rem;
  margin-bottom: 1.6rem;
}

.case-detail-tags {
  margin-bottom: 1rem;
}

.case-proof-panel {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 2rem 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
  overflow: hidden;
}

.case-proof-panel article {
  background: var(--surface-panel-strong);
  padding: 1.2rem;
}

.case-proof-panel strong {
  display: block;
  color: var(--text);
  font-size: 1.75rem;
  line-height: 1;
  margin-bottom: 0.4rem;
}

.case-proof-panel span {
  color: var(--accent-soft);
  font-size: 0.84rem;
  font-weight: 700;
}

.case-executive-summary {
  margin-top: 2.6rem;
  padding-top: 2.2rem;
  border-top: 1px solid var(--line);
}

.case-summary-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
}

.case-summary-grid article {
  border: 1px solid var(--line);
  border-radius: var(--radius-tight);
  background: var(--surface-panel-soft);
  padding: 1.2rem;
}

.case-summary-grid h3 {
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-soft);
  margin-bottom: 0.55rem;
}

.case-summary-grid p {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.6;
  margin: 0;
}

.case-detail section {
  margin-top: 3.2rem;
}

.case-detail section h2 {
  font-size: 1.35rem;
  letter-spacing: 0;
  margin-bottom: 1rem;
}

.case-detail section p {
  color: var(--muted);
  margin-bottom: 1rem;
}

.case-insight {
  margin-top: 2.4rem;
  padding: 1.4rem 1.6rem;
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--card);
}

.case-insight p {
  color: var(--text);
  font-weight: 600;
  font-size: 1.05rem;
}

.detail-list {
  list-style: none;
  display: grid;
  gap: 0.8rem;
}

.detail-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  color: var(--muted);
}

.detail-list .ic {
  color: var(--green);
  margin-top: 0.32em;
}

.detail-list-plain li {
  position: relative;
  display: block;
  padding-left: 1.3rem;
}

.detail-list-plain li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* ==========================================================================
   Contact
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1.45fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.brief-form:hover {
  transform: none;
}

.brief-form {
  padding: 2rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.1rem;
}

.form-field {
  margin-bottom: 1.1rem;
}

.form-field label {
  display: block;
  font-size: 0.9rem;
  font-weight: 650;
  margin-bottom: 0.45rem;
  color: var(--text);
}

.form-field .opt {
  color: var(--faint);
  font-weight: 500;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  font: inherit;
  font-size: 0.98rem;
  color: var(--text);
  background: var(--bg-raised);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  padding: 0.7rem 0.95rem;
  transition: border-color 0.2s;
}

.form-field textarea {
  resize: vertical;
  min-height: 120px;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: var(--faint);
}

.form-field select {
  appearance: none;
  -webkit-appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 20px) 50%, calc(100% - 15px) 50%;
  background-size: 5px 5px;
  background-repeat: no-repeat;
}

.field-error {
  color: var(--red);
  font-size: 0.86rem;
  margin-top: 0.4rem;
}

.form-field.invalid input,
.form-field.invalid textarea {
  border-color: var(--red);
}

.hp-field {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-note {
  color: var(--faint);
  font-size: 0.86rem;
  margin-bottom: 1.3rem;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.form-status {
  margin-top: 1.1rem;
  color: var(--green);
  font-size: 0.93rem;
}

.form-status a {
  color: var(--accent-soft);
}

.form-status.error-text, .error-text {
  color: var(--red);
}

.login-hero .section-lead {
  margin-bottom: 1.6rem;
}

.login-form {
  max-width: 420px;
}

.login-form:hover {
  transform: none;
}

.login-form .btn {
  width: 100%;
}

.contact-direct {
  padding-top: 0.4rem;
}

.contact-direct h3 {
  font-size: 1.05rem;
  margin-bottom: 1.2rem;
}

.direct-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--muted);
  text-decoration: none;
  font-weight: 550;
  font-size: 0.96rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
  transition: color 0.2s;
  word-break: break-word;
}

.direct-link:hover {
  color: var(--accent-soft);
}

.direct-link .ic {
  color: var(--accent);
}

.direct-note {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--faint);
  font-size: 0.9rem;
  padding-top: 1.1rem;
}

.direct-note .ic {
  color: var(--faint);
}

/* Page-level CTA (work / case study / experience pages) */
.page-cta {
  margin-top: 4.5rem;
  padding-top: 3rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.page-cta h2 {
  font-size: 1.4rem;
  letter-spacing: 0;
}

/* ==========================================================================
   Portfolio admin
   ========================================================================== */
.admin-hero {
  padding-bottom: 2.5rem;
}

.admin-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
}

.admin-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.8rem;
  padding-top: 0.25rem;
}

.admin-actions form {
  margin: 0;
}

.admin-editor-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.4rem;
}

.admin-editor-nav a {
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.45rem 0.75rem;
  font-size: 0.88rem;
  font-weight: 650;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.admin-editor-nav a:hover {
  color: var(--accent-soft);
  border-color: rgba(96, 165, 250, 0.42);
  background: rgba(96, 165, 250, 0.08);
}

.admin-editor-nav a.active {
  color: #071018;
  border-color: var(--accent);
  background: var(--accent);
}

.admin-panel[hidden] {
  display: none;
}

.admin-alert {
  width: fit-content;
  margin-top: 1.4rem;
  color: var(--green);
  border: 1px solid rgba(52, 211, 153, 0.38);
  background: rgba(52, 211, 153, 0.08);
  border-radius: 10px;
  padding: 0.65rem 0.9rem;
  font-weight: 650;
  font-size: 0.92rem;
}

.admin-alert-error {
  color: #fecaca;
  border-color: rgba(248, 113, 113, 0.42);
  background: rgba(248, 113, 113, 0.1);
}

.admin-section {
  padding-top: 4rem;
}

.admin-section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.admin-section-head .section-title {
  margin-bottom: 0;
}

/* Template selector */
.template-help {
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 70ch;
  margin: -0.6rem 0 1.4rem;
}

.template-help a {
  color: var(--accent-soft);
}

.template-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin-bottom: 1.4rem;
}

.template-option {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  border: 1.5px solid var(--line);
  border-radius: 14px;
  padding: 1.1rem 1.2rem;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, transform 0.15s;
}

.template-option:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}

.template-option.selected {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.template-option input {
  margin-top: 0.25rem;
  accent-color: var(--accent);
  flex: none;
}

.template-option-body {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.template-option-head {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.template-option-head b {
  color: var(--text);
  font-size: 1.02rem;
  font-weight: 700;
}

.template-active-badge {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--green);
  border: 1px solid var(--green);
  border-radius: 100px;
  padding: 1px 9px;
}

.template-option-desc {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.admin-form:hover,
.admin-mini-form:hover,
.admin-seo-form:hover,
.admin-entity-card:hover {
  transform: none;
}

.admin-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.1rem;
}

.admin-span-2 {
  grid-column: span 2;
}

.admin-submit {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 0.8rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.admin-list {
  display: grid;
  gap: 1.1rem;
}

.admin-mini-form,
.admin-seo-form {
  padding: 1.45rem;
}

.admin-mini-form h3,
.admin-seo-form h3 {
  font-size: 1.05rem;
  letter-spacing: 0;
  margin-bottom: 1rem;
}

.admin-mini-grid {
  display: grid;
  grid-template-columns: minmax(120px, 0.8fr) minmax(130px, 0.9fr) minmax(220px, 1.6fr) 90px auto;
  gap: 0.9rem;
  align-items: end;
}

.admin-row-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.8rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(42, 52, 80, 0.72);
}

.admin-row-actions .btn,
.admin-submit .btn {
  margin-top: 0;
  min-width: 128px;
  justify-content: center;
}

.admin-mini-form > .btn,
.admin-seo-form > .btn,
.admin-new-form > .btn {
  display: flex;
  width: fit-content;
  min-width: 128px;
  justify-content: center;
  margin: 1rem 0 0 auto;
}

.btn-danger {
  color: #fecaca;
  border-color: rgba(248, 113, 113, 0.42);
  background: rgba(127, 29, 29, 0.18);
}

.btn-danger:hover {
  color: #fff;
  border-color: rgba(248, 113, 113, 0.7);
  background: rgba(185, 28, 28, 0.36);
}

.admin-check {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--muted);
  font-weight: 650;
  padding-bottom: 1.1rem;
}

.admin-check input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent-btn);
}

.admin-new-form {
  border-style: dashed;
  background: rgba(var(--surface-rgb), 0.5);
}

.admin-theme-panel {
  display: grid;
  grid-template-columns: minmax(230px, 0.8fr) minmax(280px, 1.1fr) minmax(220px, 0.75fr);
  gap: 1rem;
  align-items: stretch;
  border: 1px solid var(--line);
  border-radius: var(--radius-tight);
  background: var(--section-glass);
  padding: 1.1rem;
  margin-top: 1.25rem;
}

.admin-theme-copy h3 {
  font-size: 1.08rem;
  letter-spacing: 0;
  margin: 0.2rem 0 0.45rem;
}

.admin-theme-copy p:last-child {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
  margin: 0;
}

.admin-theme-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.admin-theme-grid input[type=color] {
  height: 48px;
  padding: 0.25rem;
  cursor: pointer;
}

.admin-theme-preview-stack {
  display: grid;
  gap: 0.75rem;
}

.admin-theme-preview {
  border: 1px solid color-mix(in srgb, var(--preview-primary), transparent 58%);
  border-radius: var(--radius-tight);
  padding: 1rem;
}

.admin-theme-preview-light {
  background: linear-gradient(145deg, color-mix(in srgb, var(--preview-primary), transparent 92%), transparent), linear-gradient(180deg, #fbfcff, #eef3fa);
  color: #101828;
}

.admin-theme-preview-dark {
  background: linear-gradient(145deg, color-mix(in srgb, var(--preview-primary), transparent 88%), transparent), var(--preview-bg);
  color: #f8fafc;
}

.admin-theme-preview span {
  display: block;
  width: 100%;
  height: 42px;
  border-radius: 8px;
  background: linear-gradient(90deg, var(--preview-primary), var(--preview-secondary));
  margin-bottom: 0.9rem;
}

.admin-theme-preview strong,
.admin-theme-preview small {
  display: block;
}

.admin-theme-preview strong {
  font-size: 1rem;
}

.admin-theme-preview small {
  color: currentColor;
  opacity: 0.72;
  line-height: 1.45;
  margin: 0.25rem 0 0.8rem;
}

.admin-theme-preview em {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  min-width: 70px;
  border-radius: 999px;
  background: var(--preview-primary);
  color: #fff;
  font-style: normal;
  font-weight: 800;
  font-size: 0.8rem;
}

.admin-entity-card {
  padding: 1.45rem;
}

.admin-entity-card > .admin-form {
  padding: 0;
  border: 0;
  background: transparent;
}

.admin-child-list {
  display: grid;
  gap: 0.85rem;
  margin-top: 1.35rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.admin-child-list h3 {
  font-size: 1rem;
  letter-spacing: 0;
}

.admin-child-grid {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) 90px auto auto;
  gap: 0.8rem;
  align-items: end;
}

.admin-child-grid-wide {
  grid-template-columns: minmax(260px, 1fr) 90px auto auto;
}

.admin-code-field {
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: 0.88rem;
}

.admin-seo-guide {
  display: grid;
  grid-template-columns: minmax(220px, 0.75fr) minmax(0, 1.4fr);
  gap: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(var(--surface-rgb), 0.58);
  padding: 1.2rem;
  margin-bottom: 1.25rem;
}

.admin-seo-guide-intro h3 {
  font-size: 1.05rem;
  letter-spacing: 0;
  margin-bottom: 0.55rem;
}

.admin-seo-guide-intro p:last-child {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
  margin-bottom: 0;
}

.admin-seo-guide-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem 1rem;
}

.admin-seo-guide-list div {
  border-left: 2px solid var(--line-strong);
  padding-left: 0.75rem;
}

.admin-seo-guide-list dt {
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 750;
  margin-bottom: 0.25rem;
}

.admin-seo-guide-list dd {
  color: var(--faint);
  font-size: 0.86rem;
  line-height: 1.5;
  margin: 0;
}

.admin-seo-guide code {
  color: var(--accent-soft);
  font-size: 0.84em;
}

.admin-seo-preview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.admin-seo-preview {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(var(--surface-rgb), 0.58);
  padding: 1rem;
}

.admin-seo-preview-head,
.admin-seo-preview-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  color: var(--faint);
  font-size: 0.82rem;
}

.admin-seo-preview h3 {
  margin: 0.7rem 0 0.35rem;
  color: #8ab4f8;
  font-size: 1.05rem;
  letter-spacing: 0;
  line-height: 1.28;
}

.admin-seo-preview p {
  color: #cbd5e1;
  font-size: 0.92rem;
  line-height: 1.45;
  margin-bottom: 0.75rem;
}

.serp-preview {
  background: #fff;
  border: 1px solid rgba(148, 163, 184, 0.24);
  border-radius: 8px;
  color: #202124;
  margin: 0.75rem 0;
  padding: 0.85rem;
}

.serp-url {
  color: #4d5156;
  font-size: 0.78rem;
  line-height: 1.35;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.serp-preview h3 {
  color: #1a0dab;
  font-size: 1.05rem;
  letter-spacing: 0;
  line-height: 1.26;
  margin: 0.25rem 0 0.25rem;
  overflow-wrap: anywhere;
}

.serp-preview p {
  color: #4d5156;
  font-size: 0.88rem;
  line-height: 1.42;
  margin: 0;
}

.admin-seo-preview-guidance {
  color: var(--faint);
  display: grid;
  gap: 0.25rem;
  font-size: 0.8rem;
  line-height: 1.4;
  margin-top: 0.65rem;
}

.admin-seo-preview-meta span,
.admin-seo-preview-head span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.25rem 0.5rem;
}

.admin-seo-preview .status-good {
  color: var(--green);
  border-color: rgba(52, 211, 153, 0.34);
}

.admin-seo-preview .status-warn {
  color: #fbbf24;
  border-color: rgba(251, 191, 36, 0.34);
}

.admin-route-head {
  display: grid;
  grid-template-columns: minmax(180px, 0.8fr) minmax(240px, 1fr);
  gap: 1.1rem;
  margin-bottom: 0.4rem;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--footer-bg);
  border-top: 1px solid var(--line);
  padding: 3.5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-name {
  font-weight: 750;
  font-size: 1.1rem;
  letter-spacing: 0;
}

.footer-role {
  color: var(--accent-soft);
  font-weight: 600;
  font-size: 0.92rem;
  margin: 0.25rem 0 0.9rem;
}

.footer-tag {
  color: var(--faint);
  font-size: 0.93rem;
  max-width: 22rem;
}

.footer-head {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 0.9rem;
}

.footer-col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.55rem;
}

.footer-col a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s;
  word-break: break-word;
}

.footer-col a:hover {
  color: var(--accent-soft);
}

.footer-base {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.8rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-size: 0.88rem;
}

/* ==========================================================================
   Reveal animation
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}
/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1080px) {
  .case-grid, .skills-grid, .exp-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stack-layer-grid, .principle-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .perfstats-action-grid {
    grid-template-columns: 1fr;
  }
  .admin-mini-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .admin-child-grid,
  .admin-child-grid-wide {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .admin-seo-guide,
  .admin-seo-guide-list,
  .admin-seo-preview-grid {
    grid-template-columns: 1fr;
  }
  .admin-mini-url {
    grid-column: span 2;
  }
}
@media (max-width: 960px) {
  .hero {
    padding: 8.5rem 0 4.5rem;
  }
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .hero-visual {
    order: 2;
  }
  .hero-sub {
    max-width: 38rem;
  }
  .outcome-grid {
    grid-template-columns: 1fr;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .about-photo {
    max-width: 300px;
  }
  .edu-grid {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .service-grid {
    grid-template-columns: 1fr;
  }
  .proof-preview-grid, .proof-hero-grid {
    grid-template-columns: 1fr;
  }
  .proof-system-map {
    min-height: 340px;
  }
  .proof-capability-grid {
    grid-template-columns: 1fr;
  }
  .case-summary-grid {
    grid-template-columns: 1fr;
  }
  .admin-head {
    flex-direction: column;
  }
  .admin-seo-guide,
  .admin-route-head,
  .admin-theme-panel,
  .admin-child-grid,
  .admin-child-grid-wide {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 880px) {
  .nav-toggle {
    display: block;
  }
  .nav-menu {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 110;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    background: var(--mobile-menu-bg);
    border-bottom: 1px solid var(--line);
    padding: 5.5rem 1.4rem 1.6rem;
    transform: translateY(-102%);
    transition: transform 0.32s ease;
  }
  .nav-menu.open {
    transform: none;
  }
  .nav-menu a {
    display: block;
    text-align: center;
    padding: 0.9rem;
    font-size: 1.05rem;
  }
  .nav-menu .nav-cta {
    margin: 0.5rem 0 0;
  }
  .nav-language {
    margin: 0.5rem 0 0;
  }
  .nav-language form {
    justify-content: center;
  }
  .nav-language select {
    width: min(260px, 100%);
    text-align: center;
  }
  .nav-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .nav-toggle.open span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}
@media (max-width: 720px) {
  .section {
    padding: 4.5rem 0;
  }
  .page-hero {
    padding: 8.5rem 0 2.5rem;
  }
  .case-detail {
    padding-top: 8rem;
  }
  .case-grid, .skills-grid, .exp-grid, .process-grid {
    grid-template-columns: 1fr;
  }
  .proof-mini-metrics, .proof-metrics, .case-proof-panel {
    grid-template-columns: 1fr;
  }
  .stack-layer-grid, .principle-grid {
    grid-template-columns: 1fr;
  }
  .stack-layer p {
    min-height: 0;
  }
  .admin-form-grid {
    grid-template-columns: 1fr;
  }
  .admin-span-2, .admin-mini-url {
    grid-column: auto;
  }
  .admin-mini-grid {
    grid-template-columns: 1fr;
  }
  .admin-theme-grid {
    grid-template-columns: 1fr;
  }
  .admin-child-grid,
  .admin-child-grid-wide {
    grid-template-columns: 1fr;
  }
  .admin-submit,
  .admin-row-actions {
    justify-content: flex-start;
  }
  .admin-mini-form > .btn,
  .admin-seo-form > .btn,
  .admin-new-form > .btn {
    margin-left: 0;
  }
  .exp-meta {
    align-items: flex-start;
  }
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .timeline::before {
    left: 16px;
  }
  .timeline-item {
    padding-left: 52px;
  }
  .timeline-marker {
    width: 34px;
    height: 34px;
    top: 10px;
  }
  .timeline-marker .ic {
    width: 0.95em;
    height: 0.95em;
  }
  .page-cta {
    flex-direction: column;
    align-items: flex-start;
  }
  /* Mobile navigation */
  .nav-toggle {
    display: block;
  }
  .nav-menu {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 110;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    background: var(--mobile-menu-bg);
    border-bottom: 1px solid var(--line);
    padding: 5.5rem 1.4rem 1.6rem;
    transform: translateY(-102%);
    transition: transform 0.32s ease;
  }
  .nav-menu.open {
    transform: none;
  }
  .nav-menu a {
    display: block;
    text-align: center;
    padding: 0.9rem;
    font-size: 1.05rem;
  }
  .nav-menu .nav-cta {
    margin: 0.5rem 0 0;
  }
  .nav-language {
    margin: 0.5rem 0 0;
  }
  .nav-language form {
    justify-content: center;
  }
  .nav-language select {
    width: min(260px, 100%);
    text-align: center;
  }
  .nav-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .nav-toggle.open span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}
@media (max-width: 480px) {
  .hero-actions, .form-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .trust-list {
    grid-template-columns: 1fr;
  }
  .hero-eyebrow {
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    white-space: normal;
    text-align: center;
  }
  .arch-panel {
    padding: 1.8rem 1.1rem;
  }
  .brief-form {
    padding: 1.4rem;
  }
  .brand-name {
    font-size: 0.95rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}
/* ==========================================================================
   /perfstats dashboard (private)
   ========================================================================== */
.perfstats-home-hero {
  padding-bottom: 3rem;
}

.perfstats-action-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.1rem;
}

.perfstats-action-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  color: inherit;
  text-decoration: none;
  min-height: 150px;
}

.perfstats-action-card strong {
  display: block;
  color: var(--text);
  font-size: 1.05rem;
  letter-spacing: 0;
  margin-bottom: 0.45rem;
}

.perfstats-action-card small {
  display: block;
  color: var(--faint);
  font-size: 0.9rem;
  line-height: 1.55;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
  margin-bottom: 1.5rem;
}

.stat-card:hover {
  transform: none;
}

.stat-label {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 0.4rem;
}

.stat-value {
  font-size: 2.1rem;
  font-weight: 750;
  letter-spacing: 0;
  line-height: 1.1;
  color: var(--text);
}

.stat-unit {
  font-size: 1rem;
  font-weight: 600;
  color: var(--muted);
}

.delta {
  font-size: 0.82rem;
  font-weight: 600;
  margin-top: 0.5rem;
  color: var(--faint);
}

.delta-up {
  color: var(--green);
}

.delta-down {
  color: var(--red);
}

.chart-card {
  margin-bottom: 1.5rem;
}

.chart-card:hover {
  transform: none;
}

.chart-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.chart-head h2 {
  font-size: 1.15rem;
  letter-spacing: 0;
}

.chart-legend {
  list-style: none;
  display: flex;
  gap: 1.2rem;
  font-size: 0.84rem;
  color: var(--muted);
}

.chart-legend li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.legend-swatch {
  width: 14px;
  height: 8px;
  border-radius: 2px;
  display: inline-block;
}

.legend-swatch-bar {
  background: var(--accent);
  opacity: 0.75;
}

.legend-swatch-line {
  background: var(--green);
  height: 3px;
}

.chart-toggle {
  display: inline-flex;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  overflow: hidden;
}

.chart-toggle button {
  font: inherit;
  font-size: 0.88rem;
  font-weight: 650;
  cursor: pointer;
  color: var(--muted);
  background: transparent;
  border: 0;
  padding: 0.45rem 1rem;
  transition: background 0.2s, color 0.2s;
}

.chart-toggle button + button {
  border-left: 1px solid var(--line-strong);
}

.chart-toggle button[aria-pressed=true] {
  background: var(--accent-btn);
  color: #fff;
}

.chart-toggle button:not([aria-pressed=true]):hover {
  color: var(--text);
}

.chart-panel svg {
  width: 100%;
  height: auto;
  display: block;
}

.chart-bar {
  fill: var(--accent);
  opacity: 0.72;
  transition: opacity 0.15s;
}

.chart-bar:hover {
  opacity: 1;
}

.chart-line {
  stroke: var(--green);
  stroke-width: 2;
  stroke-linejoin: round;
}

.chart-dot {
  fill: var(--green);
}

.chart-grid {
  stroke: var(--line);
  stroke-width: 1;
}

.chart-label {
  fill: var(--faint);
  font-size: 10px;
  font-family: var(--font);
}

.rank-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.1rem;
  margin-bottom: 1.5rem;
}

.rank-grid .card:hover, .table-card:hover {
  transform: none;
}

.rank-title {
  font-size: 1.05rem;
  letter-spacing: 0;
  margin-bottom: 1.1rem;
}

.rank-empty {
  color: var(--faint);
  font-size: 0.92rem;
}

.rank-list {
  list-style: none;
  display: grid;
  gap: 0.7rem;
}

.rank-row {
  display: grid;
  grid-template-columns: minmax(110px, 1.2fr) 1fr auto;
  align-items: center;
  gap: 0.9rem;
  font-size: 0.88rem;
}

.rank-label {
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.rank-bar {
  height: 6px;
  background: var(--bg-raised);
  border-radius: 999px;
  overflow: hidden;
}

.rank-bar-fill {
  display: block;
  height: 100%;
  background: var(--accent);
  border-radius: 999px;
  opacity: 0.8;
}

.rank-count {
  color: var(--text);
  font-weight: 650;
  font-variant-numeric: tabular-nums;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
}

.traffic-table {
  width: 100%;
  min-width: 820px;
  border-collapse: collapse;
  font-size: 0.84rem;
}

.traffic-table th {
  text-align: left;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--faint);
  padding: 0.65rem 0.8rem;
  border-bottom: 1px solid var(--line-strong);
  background: var(--bg-raised);
  white-space: nowrap;
}

.traffic-table td {
  padding: 0.55rem 0.8rem;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  vertical-align: top;
}

.traffic-table tr:last-child td {
  border-bottom: 0;
}

.mono {
  font-family: ui-monospace, "Cascadia Mono", "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.82rem;
  white-space: nowrap;
}

.ua-cell {
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.status-chip {
  display: inline-block;
  font-weight: 700;
  font-size: 0.78rem;
  padding: 0.12rem 0.55rem;
  border-radius: 999px;
  border: 1px solid;
  font-variant-numeric: tabular-nums;
}

.st-ok {
  color: var(--green);
  border-color: rgba(52, 211, 153, 0.4);
}

.st-redir {
  color: var(--accent-soft);
  border-color: var(--line-strong);
}

.st-warn {
  color: #FBBF24;
  border-color: rgba(251, 191, 36, 0.4);
}

.st-err {
  color: var(--red);
  border-color: rgba(248, 113, 113, 0.4);
}

.stats-note {
  color: var(--faint);
  font-size: 0.86rem;
  max-width: 46rem;
}

.dashboard-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
}

.logout-form {
  flex: none;
  padding-top: 0.25rem;
}

.stats-timezone {
  color: var(--faint);
  font-size: 0.9rem;
  margin-top: -2rem;
  margin-bottom: 2rem;
}

.stats-timezone strong {
  color: var(--accent-soft);
  font-weight: 650;
}

/* ==========================================================================
   Error page
   ========================================================================== */
.error-hero {
  padding-top: 11rem;
  text-align: center;
}

.error-code {
  font-size: clamp(3.5rem, 10vw, 6rem);
  font-weight: 800;
  line-height: 1;
  color: var(--accent);
  opacity: 0.35;
  letter-spacing: 0;
  margin-bottom: 0.6rem;
}

.error-hero .section-lead {
  margin-inline: auto;
}

.error-actions {
  justify-content: center;
  margin-top: 1rem;
}

@media (max-width: 900px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .rank-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .rank-row {
    grid-template-columns: 1fr auto;
  }
  .rank-bar {
    display: none;
  }
  .error-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .dashboard-head {
    flex-direction: column;
  }
  .logout-form {
    padding-top: 0;
  }
}
/* ============================================================
   Control center extras: toasts, demo mode, presets, preview,
   backup bar and the inquiries inbox.
   ============================================================ */
.btn-small {
  padding: 0.42rem 0.8rem;
  font-size: 0.82rem;
}

.toast-stack {
  position: fixed;
  top: 86px;
  right: 18px;
  z-index: 400;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  max-width: min(380px, 100vw - 36px);
}

.toast {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--line-strong);
  border-left: 4px solid var(--accent);
  border-radius: 10px;
  padding: 0.8rem 1rem;
  font-size: 0.9rem;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
  cursor: pointer;
  animation: toast-in 0.25s ease-out;
}

.toast-success {
  border-left-color: var(--green);
}

.toast-warn {
  border-left-color: var(--amber);
}

.toast-error {
  border-left-color: var(--red);
}

.toast-out {
  opacity: 0;
  transform: translateX(12px);
  transition: opacity 0.35s, transform 0.35s;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.demo-hint {
  display: grid;
  gap: 0.25rem;
  background: var(--accent-dim);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  padding: 0.8rem 1rem;
  margin-bottom: 1.1rem;
  font-size: 0.88rem;
}
.demo-hint code {
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.05rem 0.4rem;
  font-size: 0.84em;
}

.demo-banner {
  background: var(--accent-dim);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  padding: 0.7rem 1rem;
  margin-bottom: 1.2rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.admin-backup {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem;
  margin: 1.1rem 0 0.3rem;
  padding: 0.7rem 0.9rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
}

.admin-backup-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--faint);
}

.admin-import-form {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}
.admin-import-form input[type=file] {
  max-width: 240px;
  font-size: 0.8rem;
  color: var(--muted);
}

.theme-preset-block {
  margin-top: 1.1rem;
}

.theme-preset-hint {
  font-size: 0.85rem;
  color: var(--faint);
  margin-bottom: 0.6rem;
}

.theme-preset-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.theme-preset {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.75rem;
  background: var(--bg-raised);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.84rem;
  cursor: pointer;
  transition: border-color 0.15s, transform 0.15s;
}
.theme-preset:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.preset-dots {
  display: inline-flex;
  gap: 0.22rem;
}
.preset-dots i {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.preview-fab {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 350;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.preview-panel {
  position: fixed;
  right: 18px;
  bottom: 74px;
  z-index: 340;
  width: min(480px, 100vw - 36px);
  height: min(72vh, 720px);
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.5);
}
.preview-panel[hidden] {
  display: none;
}

.preview-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  padding: 0.6rem 0.8rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.88rem;
}

.preview-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.preview-frame-wrap {
  flex: 1;
  background: var(--bg);
  display: flex;
  justify-content: center;
}
.preview-frame-wrap iframe {
  border: 0;
  width: 100%;
  height: 100%;
  background: var(--bg);
}

.preview-panel.preview-mobile .preview-frame-wrap iframe {
  width: 390px;
  max-width: 100%;
}

.stat-value-time {
  font-size: 1rem;
}

.inbox-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 22px;
  margin-left: 0.45rem;
  padding: 0 0.4rem;
  background: var(--accent-btn);
  color: #fff;
  border-radius: 999px;
  font-size: 0.75rem;
  vertical-align: middle;
}

.inquiries-table td {
  vertical-align: top;
}

.inquiry-message {
  max-width: 320px;
}
.inquiry-message details summary {
  cursor: pointer;
  color: var(--accent-soft);
}
.inquiry-message details p {
  margin-top: 0.5rem;
  white-space: pre-line;
  color: var(--muted);
}

.inquiry-handled {
  opacity: 0.55;
}

.status-chip {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 0.76rem;
  color: var(--muted);
}
.status-chip.status-good {
  color: var(--green);
  border-color: var(--green);
}
.status-chip.status-warn {
  color: var(--amber);
  border-color: var(--amber);
}

@media (max-width: 720px) {
  .preview-panel {
    bottom: 70px;
    height: 60vh;
  }
  .admin-backup {
    align-items: stretch;
    flex-direction: column;
  }
}