/* ==========================================================================
   Aman Kumar Pandey — Developer & Cybersecurity Portfolio Styles
   Editorial, technical, accessible, local-first design system.
   ========================================================================== */

:root {
  color-scheme: dark;
  --bg: #030303;
  --panel: #0a0a0a;
  --panel-2: #121212;
  --text: #f5f5f5;
  --muted: #b0b0b0;
  --faint: #737373;
  --line: #262626;
  --accent: #ffffff;
  --code-bg: #090b0a;
  --code-border: #222926;
  --code-text: #e2e8e5;
  --code-meta: #708078;
  --max: 1200px;
  --radius: 3px;
  --shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;
  --motion-fast: 160ms;
  --motion-base: 280ms;
  --motion-slow: 440ms;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="light"] {
  color-scheme: light;
  --bg: #ffffff;
  --panel: #f8f9fa;
  --panel-2: #f1f3f5;
  --text: #0d0d0d;
  --muted: #495057;
  --faint: #6c757d;
  --line: #e2e4e7;
  --accent: #000000;
  --code-bg: #f8f9fa;
  --code-border: #d0d7de;
  --code-text: #1f2328;
  --code-meta: #59636e;
  --shadow: 0 12px 30px rgba(0, 0, 0, 0.07);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--motion-base) var(--ease), color var(--motion-base) var(--ease);
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

p, h1, h2, h3, h4 {
  margin: 0;
}

h1, h2, h3, h4 {
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.1;
  color: var(--text);
}

h1 {
  font-size: clamp(2.35rem, 5.2vw, 4.4rem);
  max-width: 900px;
}

h2 {
  font-size: clamp(1.75rem, 3.2vw, 2.75rem);
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.75rem);
}

.mono {
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.85rem;
}

/* Skip Link */
.skip-link {
  position: fixed;
  left: 20px;
  top: 20px;
  z-index: 100;
  transform: translateY(-160%);
  background: var(--text);
  color: var(--bg);
  padding: 10px 18px;
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 600;
  border-radius: var(--radius);
  transition: transform var(--motion-fast) var(--ease);
}

.skip-link:focus-visible {
  transform: translateY(0);
  outline: 2px solid var(--text);
  outline-offset: 4px;
}

/* Layout Wrappers */
.section-wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.section-block {
  padding-top: 72px;
  padding-bottom: 72px;
}

/* Scroll Progress Bar */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 70;
  pointer-events: none;
  background: transparent;
}

.scroll-progress span {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--text);
  transform-origin: left center;
  transition: width 80ms linear;
}

/* Site Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  border-bottom: 1px solid var(--line);
  transition: background-color var(--motion-base) var(--ease), border-color var(--motion-base) var(--ease);
}

.nav-shell {
  max-width: var(--max);
  height: 64px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-family: var(--mono);
  font-size: 0.84rem;
  letter-spacing: 0.08em;
  font-weight: 700;
  border: 1px solid var(--line);
  padding: 7px 12px;
  border-radius: var(--radius);
  transition: border-color var(--motion-fast) var(--ease), color var(--motion-fast) var(--ease);
}

.brand:hover {
  border-color: var(--text);
}

.desktop-nav {
  display: flex;
  gap: 26px;
  margin-left: auto;
  margin-right: 28px;
  font-size: 0.9rem;
}

.desktop-nav a {
  color: var(--muted);
  position: relative;
  padding: 6px 0;
  transition: color var(--motion-fast) var(--ease);
}

.desktop-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -1px;
  height: 1px;
  background: var(--text);
  transition: right var(--motion-base) var(--ease);
}

.desktop-nav a:hover,
.desktop-nav a.is-active {
  color: var(--text);
}

.desktop-nav a:hover::after,
.desktop-nav a.is-active::after {
  right: 0;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.icon-link {
  font-family: var(--mono);
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: 6px 10px;
  border-radius: var(--radius);
  transition: color var(--motion-fast) var(--ease), border-color var(--motion-fast) var(--ease);
}

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

.theme-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: 6px 12px;
  border-radius: var(--radius);
  transition: color var(--motion-fast) var(--ease), border-color var(--motion-fast) var(--ease);
}

.theme-toggle:hover {
  color: var(--text);
  border-color: var(--text);
}

.theme-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--text);
  display: inline-block;
}

.theme-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.menu-toggle {
  display: none;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--text);
  margin: 4px 0;
  transition: transform var(--motion-fast) var(--ease);
}

.mobile-nav {
  display: none;
  padding: 8px 24px 20px;
  max-width: var(--max);
  margin: 0 auto;
}

.mobile-nav a {
  display: block;
  border-top: 1px solid var(--line);
  padding: 13px 0;
  color: var(--muted);
  font-size: 0.94rem;
  transition: color var(--motion-fast) var(--ease), padding-left var(--motion-fast) var(--ease);
}

.mobile-nav a:hover,
.mobile-nav a.is-active {
  color: var(--text);
  padding-left: 6px;
}

/* Hero Section */
.hero {
  padding-top: 44px;
  padding-bottom: 40px;
}

.hero-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--faint);
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(280px, 0.75fr);
  gap: 52px;
  padding-top: 40px;
}

.hero-copy {
  font-size: 1.08rem;
  color: var(--muted);
  max-width: 680px;
  margin-top: 20px;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid var(--line);
  padding: 11px 18px;
  font-size: 0.88rem;
  font-weight: 500;
  border-radius: var(--radius);
  transition: all var(--motion-fast) var(--ease);
}

.button-solid {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
  font-weight: 600;
}

.button-solid:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}

.button-ghost {
  background: transparent;
  color: var(--text);
}

.button-ghost:hover {
  border-color: var(--text);
  transform: translateY(-1px);
}

.hero-note {
  border-left: 1px solid var(--line);
  padding-left: 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.note-head {
  color: var(--faint);
  margin-bottom: 18px;
}

.signal-list > div {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 2px 10px;
  border-top: 1px solid var(--line);
  padding: 13px 0;
}

.signal-list span {
  font-family: var(--mono);
  color: var(--faint);
  font-size: 0.78rem;
}

.signal-list strong {
  font-size: 0.94rem;
  color: var(--text);
}

.signal-list em {
  font-style: normal;
  color: var(--muted);
  font-size: 0.82rem;
  grid-column: 2;
}

/* Evidence Strip */
.evidence-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding-top: 18px;
  padding-bottom: 18px;
}

.evidence-item {
  padding: 4px 20px;
  border-left: 1px solid var(--line);
}

.evidence-item:first-child {
  border-left: 0;
  padding-left: 0;
}

.evidence-item span {
  display: block;
  color: var(--faint);
  margin-bottom: 6px;
}

.evidence-item strong {
  display: block;
  font-size: 0.94rem;
  color: var(--text);
}

.evidence-item small {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  margin-top: 2px;
}

/* Section Headings */
.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(260px, 0.75fr);
  gap: 48px;
  align-items: start;
  margin-bottom: 34px;
}

.section-heading > p {
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 440px;
  padding-top: 0.35rem;
}

/* Project Feature: Flagship TraceForge */
.project-feature {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--panel);
  border-radius: var(--radius);
  overflow: hidden;
}

.project-feature-visual {
  padding: 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--panel);
  border-right: 1px solid var(--line);
  position: relative;
}

.terminal-card {
  width: 100%;
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.terminal-top {
  height: 36px;
  border-bottom: 1px solid var(--code-border);
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 6px;
  color: var(--code-meta);
}

.terminal-top span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--line);
  display: inline-block;
}

.terminal-top b {
  font-family: var(--mono);
  font-size: 0.7rem;
  margin-left: auto;
  margin-right: auto;
  font-weight: 500;
}

.terminal-card pre {
  margin: 0;
  padding: 18px 20px;
  font-family: var(--mono);
  font-size: 0.74rem;
  line-height: 1.7;
  color: var(--code-text);
  overflow-x: auto;
}

.terminal-card code {
  font-family: inherit;
}

.traceforge-evidence {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: 16px;
}

.traceforge-evidence > div {
  border-top: 1px solid var(--line);
  padding-top: 8px;
}

.traceforge-evidence span {
  display: block;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 0.65rem;
}

.traceforge-evidence strong {
  display: block;
  font-size: 0.82rem;
  color: var(--text);
  margin-top: 2px;
}

.visual-caption {
  color: var(--faint);
  font-size: 0.68rem;
  margin-top: 14px;
}

.project-feature-copy {
  padding: 32px 34px;
  display: flex;
  flex-direction: column;
}

.project-kicker {
  color: var(--faint);
  margin-bottom: 14px;
}

.project-lead {
  font-size: 1.02rem;
  color: var(--muted);
  margin-bottom: 18px;
  line-height: 1.6;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}

.tag-row span {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  border: 1px solid var(--line);
  padding: 4px 8px;
  border-radius: var(--radius);
  color: var(--muted);
}

.project-bullets {
  border-top: 1px solid var(--line);
  margin-top: auto;
}

.project-bullets p {
  color: var(--muted);
  font-size: 0.86rem;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  line-height: 1.55;
}

.project-actions {
  display: flex;
  gap: 20px;
  margin-top: 20px;
  align-items: center;
}

.text-link {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--motion-fast) var(--ease), color var(--motion-fast) var(--ease);
}

.text-link:hover {
  gap: 9px;
}

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

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

/* Interactive Terminal Tabs */
.terminal-tabs {
  display: flex;
  overflow-x: auto;
  border-bottom: 1px solid var(--code-border);
  background: rgba(255, 255, 255, 0.02);
  padding: 4px 8px 0;
  gap: 4px;
}

.term-tab-btn {
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  color: var(--code-meta);
  font-family: var(--mono);
  font-size: 0.72rem;
  padding: 6px 12px;
  cursor: pointer;
  border-radius: 4px 4px 0 0;
  transition: all var(--motion-fast) var(--ease);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.term-tab-btn:hover {
  color: var(--code-text);
  background: rgba(255, 255, 255, 0.04);
}

.term-tab-btn.is-active {
  color: var(--code-text);
  border-bottom-color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  font-weight: 600;
}

.term-tab-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.6;
}

.term-tab-btn.is-active .term-tab-dot {
  opacity: 1;
  background: #22c55e;
}

/* Bento Grid for Projects */
.project-bento {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.bento-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--motion-fast) var(--ease), border-color var(--motion-fast) var(--ease), box-shadow var(--motion-fast) var(--ease);
  position: relative;
  overflow: hidden;
}

.bento-card:hover {
  transform: translateY(-2px);
  border-color: var(--text);
  box-shadow: var(--shadow);
}

.bento-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.bento-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--faint);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 8px rgba(34, 197, 94, 0.4);
  animation: pulse-dot 2s infinite ease-in-out;
}

.status-dot.blue {
  background: #38bdf8;
  box-shadow: 0 0 8px rgba(56, 189, 248, 0.4);
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.85); }
}

.bento-card h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
  color: var(--text);
}

.bento-card p {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.6;
  margin-bottom: 16px;
  flex-grow: 1;
}

.bento-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 18px;
}

.bento-tag {
  font-family: var(--mono);
  font-size: 0.68rem;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--bg);
  border: 1px solid var(--line);
  color: var(--muted);
}

.bento-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.76rem;
}

/* Security Direction Bento */
.security-bento {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.sec-bento-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  transition: transform var(--motion-fast) var(--ease), border-color var(--motion-fast) var(--ease);
}

.sec-bento-card:hover {
  transform: translateY(-2px);
  border-color: var(--text);
}

.sec-bento-card .mono {
  color: var(--faint);
  font-size: 0.7rem;
  margin-bottom: 8px;
  display: block;
}

.sec-bento-card strong {
  font-size: 0.95rem;
  color: var(--text);
  display: block;
  margin-bottom: 6px;
}

.sec-bento-card p {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.5;
  margin-bottom: 12px;
}

.sec-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.sec-chip {
  font-family: var(--mono);
  font-size: 0.64rem;
  padding: 2px 6px;
  border-radius: 3px;
  background: var(--bg);
  border: 1px solid var(--line);
  color: var(--faint);
}

/* Project Row List */
.project-list {
  border-bottom: 1px solid var(--line);
  margin-top: 12px;
}

.project-row {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) 32px;
  gap: 20px;
  align-items: start;
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
  transition: border-color var(--motion-fast) var(--ease), padding-left var(--motion-fast) var(--ease);
}

.project-row:last-child {
  border-bottom: 0;
}

.project-row:hover {
  padding-left: 6px;
}

.row-number {
  color: var(--faint);
  padding-top: 4px;
}

.project-row p:not(.project-kicker) {
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 760px;
  margin-top: 8px;
  line-height: 1.6;
}

.row-link {
  font-size: 1.25rem;
  color: var(--muted);
  text-align: right;
  padding-top: 2px;
  transition: color var(--motion-fast) var(--ease), transform var(--motion-fast) var(--ease);
}

.project-row:hover .row-link {
  color: var(--text);
  transform: translateX(3px);
}

.all-work {
  padding-top: 28px;
}

/* Focus & Split Blocks */
.split-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 56px;
  border-top: 1px solid var(--line);
  align-items: start;
}

.focus-copy,
.about-copy {
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.65;
}

.focus-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-top: 24px;
  border-top: 1px solid var(--line);
}

.focus-item {
  padding: 15px 16px 15px 0;
  border-bottom: 1px solid var(--line);
  position: relative;
}

.focus-signal {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text);
  margin-right: 6px;
  vertical-align: middle;
}

.focus-item .mono,
.about-facts .mono {
  display: block;
  color: var(--faint);
  margin-bottom: 6px;
}

.focus-item strong,
.about-facts strong {
  display: block;
  font-size: 0.92rem;
  color: var(--text);
}

/* Security Direction Flow */
.security-direction {
  border-top: 1px solid var(--line);
}

.security-flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  align-items: stretch;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}

.security-flow > div:not(.flow-line) {
  padding: 18px 16px;
  min-width: 0;
}

.security-flow .mono {
  display: block;
  color: var(--faint);
  margin-bottom: 6px;
}

.security-flow strong {
  display: block;
  font-size: 0.92rem;
  color: var(--text);
}

.security-flow em {
  display: block;
  font-style: normal;
  color: var(--muted);
  font-size: 0.8rem;
  margin-top: 3px;
}

.security-flow .flow-line {
  display: grid;
  place-items: center;
  color: var(--faint);
  font-family: var(--mono);
  padding: 0 4px;
}

/* Notes Section */
.notes-block {
  border-top: 1px solid var(--line);
}

.empty-note {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 24px 28px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 24px;
  border-radius: var(--radius);
}

.empty-note .mono {
  color: var(--faint);
}

.empty-note strong {
  font-size: 1rem;
  color: var(--text);
}

.empty-note p {
  grid-column: 2;
  color: var(--muted);
  max-width: 680px;
  font-size: 0.94rem;
}

/* About Section */
.about-facts {
  margin-top: 24px;
  border-top: 1px solid var(--line);
}

.about-facts > div {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.about-facts a {
  color: var(--text);
  font-weight: 500;
}

/* Contact Section */
.contact-block {
  border-top: 1px solid var(--line);
  padding-top: 64px;
  padding-bottom: 64px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 56px;
}

.contact-block > div > p:last-child {
  color: var(--muted);
  margin-top: 18px;
  max-width: 500px;
}

.contact-form {
  border-top: 1px solid var(--line);
}

.form-field {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.form-field label {
  display: block;
  color: var(--faint);
  margin-bottom: 6px;
}

.form-field input,
.form-field textarea {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 0.95rem;
  padding: 4px 0;
  resize: vertical;
}

.form-field input:focus-visible,
.form-field textarea:focus-visible {
  box-shadow: 0 1px 0 var(--text);
}

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

.form-submit {
  margin-top: 18px;
}

.form-status {
  margin-top: 14px;
  padding: 10px 14px;
  border-radius: var(--radius);
  font-family: var(--mono);
  font-size: 0.8rem;
  display: none;
}

.form-status.is-success {
  display: block;
  border: 1px solid #238636;
  background: rgba(35, 134, 54, 0.1);
  color: #3fb950;
}

.form-status.is-error {
  display: block;
  border: 1px solid #da3633;
  background: rgba(218, 54, 51, 0.1);
  color: #f85149;
}

.form-note {
  margin-top: 12px;
  color: var(--faint);
  font-size: 0.78rem;
  line-height: 1.5;
}

.contact-links-bottom {
  margin-top: 24px;
}

.contact-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
  transition: padding-left var(--motion-fast) var(--ease);
}

.contact-link:hover {
  padding-left: 4px;
}

.contact-link span {
  color: var(--faint);
}

.contact-link strong {
  font-size: 0.9rem;
  color: var(--text);
}

/* Site Footer */
.site-footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 28px var(--gutter) 36px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  color: var(--faint);
  font-size: 0.84rem;
  line-height: 1.5;
}

.site-footer strong {
  display: block;
  color: var(--text);
  font-size: 0.88rem;
}

.site-footer > div:first-child span {
  display: block;
  margin-top: 2px;
}

.site-footer > div:last-child {
  text-align: right;
  white-space: nowrap;
}

.site-footer #year {
  display: inline;
}

/* Case Study Template Specifics */
.case-hero {
  padding-top: 48px;
  padding-bottom: 56px;
}

.case-lead {
  max-width: 780px;
  color: var(--muted);
  font-size: 1.08rem;
  margin-top: 20px;
  line-height: 1.65;
}

.case-section {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 24px;
  border-top: 1px solid var(--line);
  padding-top: 44px;
  padding-bottom: 44px;
}

.case-index {
  color: var(--faint);
}

.case-body {
  max-width: 860px;
}

.case-body > p {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.65;
}

.case-body > p + p {
  margin-top: 16px;
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 24px;
  border-top: 1px solid var(--line);
}

.spec-grid > div {
  padding: 14px 10px 14px 0;
  border-bottom: 1px solid var(--line);
}

.spec-grid span {
  display: block;
  color: var(--faint);
  margin-bottom: 4px;
}

.spec-grid strong {
  font-size: 0.86rem;
  color: var(--text);
}

.capability-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line);
  margin-top: 16px;
}

.capability-list > div {
  padding: 14px 16px 14px 0;
  border-bottom: 1px solid var(--line);
}

.capability-list strong {
  display: block;
  font-size: 0.92rem;
  color: var(--text);
}

.capability-list span {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
  margin-top: 3px;
}

.architecture {
  margin-top: 20px;
  padding: 24px;
  border: 1px solid var(--line);
  background: var(--panel);
  text-align: center;
  border-radius: var(--radius);
}

.arch-box {
  border: 1px solid var(--line);
  padding: 16px;
  background: var(--panel-2);
  border-radius: var(--radius);
}

.arch-box span,
.arch-branch span {
  display: block;
  color: var(--faint);
  margin-bottom: 4px;
}

.arch-arrow {
  padding: 10px;
  color: var(--faint);
  font-family: var(--mono);
}

.arch-branch {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 16px;
}

.arch-branch > div {
  border: 1px solid var(--line);
  padding: 16px;
  text-align: left;
  background: var(--panel-2);
  border-radius: var(--radius);
}

.responsible-callout {
  border-left: 2px solid var(--text);
  background: var(--panel);
  padding: 18px 20px;
  margin-top: 16px;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.responsible-callout p {
  color: var(--muted);
  margin-top: 6px;
  font-size: 0.92rem;
}

.case-next {
  border-top: 1px solid var(--line);
  padding-top: 28px;
  padding-bottom: 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Focus Visible State across all interactive elements */
:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 3px;
}

/* Animations & Transitions */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity var(--motion-slow) var(--ease), transform var(--motion-slow) var(--ease);
}

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

/* Responsive Breakpoints */
@media (min-width: 1280px) {
  .section-wrap {
    padding-left: 28px;
    padding-right: 28px;
  }
}

@media (max-width: 1024px) {
  .desktop-nav {
    display: none;
  }
  .menu-toggle {
    display: block;
  }
  .mobile-nav {
    display: none;
  }
  .mobile-nav.is-open {
    display: block;
  }
  .hero-note {
    border-left: 0;
    border-top: 1px solid var(--line);
    padding-left: 0;
    padding-top: 24px;
  }
  .evidence-strip {
    grid-template-columns: 1fr 1fr;
  }
  .evidence-item:nth-child(3) {
    border-left: 0;
    padding-left: 0;
    margin-top: 14px;
  }
  .evidence-item:nth-child(4) {
    margin-top: 14px;
  }
}

@media (max-width: 840px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .section-heading {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .project-feature {
    grid-template-columns: 1fr;
  }
  .project-feature-visual {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 20px;
  }
  .contact-block,
  .split-block {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .security-flow {
    grid-template-columns: 1fr;
  }
  .security-flow .flow-line {
    display: none;
  }
  .security-flow > div:not(.flow-line) {
    border-bottom: 1px solid var(--line);
  }
  .security-flow > div:last-child {
    border-bottom: 0;
  }
  .spec-grid {
    grid-template-columns: 1fr 1fr;
  }
  .project-bento {
    grid-template-columns: 1fr;
  }
  .security-bento {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .section-wrap {
    padding-left: 18px;
    padding-right: 18px;
  }
  .nav-shell {
    padding: 0 18px;
  }
  .hero-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
  .hero {
    padding-top: 32px;
    padding-bottom: 28px;
  }
  .section-block {
    padding-top: 54px;
    padding-bottom: 54px;
  }
  .evidence-strip {
    grid-template-columns: 1fr;
  }
  .evidence-item {
    border-left: 0;
    padding-left: 0;
    margin-top: 12px;
  }
  .evidence-item:first-child {
    margin-top: 0;
  }
  .traceforge-evidence {
    grid-template-columns: 1fr 1fr;
  }
  .project-feature-copy {
    padding: 24px 20px;
  }
  .security-bento {
    grid-template-columns: 1fr;
  }
  .project-row {
    grid-template-columns: 28px minmax(0, 1fr) 24px;
    gap: 12px;
  }
  .focus-grid {
    grid-template-columns: 1fr;
  }
  .capability-list {
    grid-template-columns: 1fr;
  }
  .arch-branch {
    grid-template-columns: 1fr;
  }
  .empty-note {
    grid-template-columns: 1fr;
  }
  .empty-note p {
    grid-column: 1;
  }
  .case-section {
    grid-template-columns: 1fr;
    gap: 12px;
    padding-top: 32px;
    padding-bottom: 32px;
  }
  .site-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .site-footer > div:last-child {
    text-align: left;
    white-space: normal;
  }
}

/* Prefers Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
  }
  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }
  .scroll-progress span {
    transition: none !important;
  }
}