/* ==========================================================================
   Design tokens — extracted from the Figma "DevOps Portfolio — Desktop" file
   ========================================================================== */
:root {
  --color-bg: #ffffff;
  --color-bg-teal: #edfaf7;
  --color-bg-tools-viewport: #f6fafa;
  --color-card-bg: #f6f9fa;
  --color-border: #d6e0e5;
  --color-border-tile: #dbe5e8;
  --color-text: #0e1724;
  --color-text-secondary: #52667a;
  --color-accent: #0d8f80;
  --color-accent-bright: #1cb8a3;
  --color-white: #ffffff;

  --shadow-console: 0 18px 42px rgba(8, 31, 38, 0.14);
  --shadow-card: 0 8px 20px rgba(13, 26, 38, 0.06);
  --shadow-card-soft: 0 8px 20px rgba(13, 26, 38, 0.05);
  --shadow-map: 0 10px 24px rgba(13, 26, 38, 0.06);
  --shadow-cta: 0 8px 18px rgba(5, 89, 77, 0.22);

  --radius-pill: 999px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --radius-xs: 12px;

  --font-sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  --max-width: 1344px;
  --gutter: clamp(20px, 6vw, 96px);

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 180ms;
  --dur-base: 320ms;
  --dur-slow: 500ms;
}

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

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.5;
  overflow-x: hidden;
}

img,
svg {
  max-width: 100%;
  display: block;
}

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

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1,
h2,
h3,
p,
dl,
dd,
figure {
  margin: 0;
}

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

input {
  font: inherit;
}

.icon-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

/* ==========================================================================
   Utility / a11y
   ========================================================================== */
.skip-link {
  position: absolute;
  top: -100%;
  left: 12px;
  z-index: 1000;
  background: var(--color-accent);
  color: #fff;
  padding: 12px 18px;
  border-radius: var(--radius-xs);
  font-weight: 600;
  transition: top var(--dur-fast) var(--ease-out);
}

.skip-link:focus {
  top: 12px;
}

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

.eyebrow {
  color: var(--color-accent);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.4px;
  text-transform: uppercase;
}

.section-title {
  color: var(--color-text);
  font-weight: 700;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.2;
  max-width: 46ch;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 14px;
  white-space: nowrap;
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
  min-height: 44px;
  padding: 0 20px;
}

.btn-pill {
  border-radius: var(--radius-pill);
}

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

.btn-primary:hover,
.btn-primary:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(13, 143, 128, 0.28);
}

.btn-outline {
  background: var(--color-bg-teal);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-text);
}

.btn-outline:hover,
.btn-outline:focus-visible {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

.btn-elevated {
  box-shadow: var(--shadow-cta);
}

.btn-elevated:hover,
.btn-elevated:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 14px 26px rgba(5, 89, 77, 0.3);
}

/* ==========================================================================
   Header / Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-xs);
  background: var(--color-accent);
  color: #fff;
  font-weight: 700;
  font-size: 16px;
}

.brand-name {
  font-weight: 600;
  font-size: 16px;
  color: var(--color-text-secondary);
  letter-spacing: 0.3px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-xs);
}

.nav-toggle:hover {
  background: var(--color-card-bg);
}

.nav-toggle-bar {
  width: 20px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--dur-fast) var(--ease-out), opacity var(--dur-fast) var(--ease-out);
}

.nav-toggle[aria-expanded='true'] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded='true'] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded='true'] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-links a {
  font-weight: 500;
  font-size: 14px;
  color: var(--color-text-secondary);
  padding: 8px 2px;
  transition: color var(--dur-fast) var(--ease-out);
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--color-accent);
}

.nav-cta {
  flex-shrink: 0;
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  background: linear-gradient(120deg, #ffffff 0%, var(--color-bg-teal) 100%);
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 48px;
  padding: clamp(48px, 8vw, 96px) var(--gutter);
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero-copy {
  flex: 1 1 480px;
  max-width: 720px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.eyebrow-pill {
  display: inline-flex;
  align-self: flex-start;
  background: var(--color-bg-teal);
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  font-size: 12px;
}

.hero-title {
  font-weight: 700;
  font-size: clamp(34px, 5.4vw, 62px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.hero-intro {
  font-size: clamp(16px, 1.8vw, 20px);
  color: var(--color-text-secondary);
  max-width: 56ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.hero-meta {
  font-size: 14px;
  color: var(--color-text-secondary);
}

.platform-console {
  flex: 1 1 360px;
  max-width: 420px;
  width: 100%;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-console);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.console-controls {
  display: flex;
  gap: 8px;
}

.console-controls span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-border);
}

.console-controls span:nth-child(1) {
  background: #f2a3a3;
}
.console-controls span:nth-child(2) {
  background: #f4d29e;
}
.console-controls span:nth-child(3) {
  background: #9fd8c4;
}

.console-command {
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 14px;
  color: var(--color-text-secondary);
}

.console-status {
  display: flex;
  align-items: center;
  gap: 14px;
}

.console-status-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-secondary);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding-right: 14px;
  border-right: 1px solid var(--color-border);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(28, 184, 163, 0.12);
  color: var(--color-accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 5px 10px;
  border-radius: var(--radius-pill);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent-bright);
  box-shadow: 0 0 0 3px rgba(28, 184, 163, 0.18);
}

.console-metrics {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.console-metric {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--color-border);
}

.console-metric:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.console-metric dt {
  font-size: 14px;
  color: var(--color-text-secondary);
  font-weight: 400;
}

.console-metric dd {
  font-weight: 700;
  font-size: 22px;
  color: var(--color-text);
}

.console-pill {
  display: inline-flex;
  align-self: flex-start;
  background: var(--color-bg-teal);
  color: var(--color-accent);
  font-size: 13px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
}

/* ==========================================================================
   Sections (shared)
   ========================================================================== */
.section {
  padding: clamp(56px, 9vw, 88px) var(--gutter);
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.section-teal {
  max-width: none;
  background: var(--color-bg-teal);
}

.section-teal > * {
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  width: 100%;
}

.section-teal.section {
  padding-left: 0;
  padding-right: 0;
}

.section-teal > *:not(.expertise-grid):not(.delivery-flow):not(.case-study) {
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.section-teal .delivery-flow,
.section-teal .expertise-grid,
.section-teal .case-study {
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/* ==========================================================================
   Impact
   ========================================================================== */
.impact-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.impact-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.impact-number {
  color: var(--color-accent);
  font-weight: 700;
  font-size: 40px;
}

.impact-label {
  font-weight: 600;
  font-size: 16px;
  color: var(--color-text);
}

.impact-sub {
  font-size: 13px;
  color: var(--color-text-secondary);
}

/* ==========================================================================
   Expertise
   ========================================================================== */
.delivery-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.flow-stage {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border-radius: var(--radius-xs);
  padding: 14px 16px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-secondary);
  letter-spacing: 0.3px;
}

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

.flow-stage-solid {
  background: var(--color-accent);
  color: #fff;
}

.flow-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* White chip behind pipeline-node logos/icons so a real (often colorful,
   sometimes opaque-background) tool logo reads cleanly regardless of
   whether it sits on a light, dark, or accent-colored pill. Sized by
   height only (not a fixed square) — several of the real logos are wide
   icon+wordmark lockups that turn into an illegible smudge if forced into
   an 18x18 square, so width is left to scale with each logo's own aspect
   ratio instead. */
.node-logo-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 22px;
  min-width: 22px;
  border-radius: 6px;
  background: #fff;
  padding: 2px 5px;
  flex-shrink: 0;
}

.node-logo-chip img {
  height: 100%;
  width: auto;
  max-width: 72px;
  object-fit: contain;
  display: block;
}

.node-logo-chip svg {
  width: 18px;
  height: 18px;
  color: var(--color-accent);
}

.flow-arrow {
  color: var(--color-text);
  font-weight: 700;
  font-size: 18px;
  animation: pulse-arrow 2.4s var(--ease-out) infinite;
}

@keyframes pulse-arrow {
  0%,
  100% {
    opacity: 0.55;
    transform: translateX(0);
  }
  50% {
    opacity: 1;
    transform: translateX(2px);
  }
}

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.expertise-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card-soft);
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}

.expertise-card:hover,
.expertise-card:focus-within {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.expertise-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.expertise-icon svg {
  width: 24px;
  height: 24px;
}

.expertise-card h3 {
  font-size: 20px;
  font-weight: 700;
}

.expertise-stack {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
}

.expertise-detail {
  font-size: 14px;
  color: var(--color-text-secondary);
}

.tag-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: auto;
}

.tag {
  display: inline-flex;
  align-self: flex-start;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: 7px 12px;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-secondary);
}

/* ==========================================================================
   Tools marquee
   ========================================================================== */
.marquee-viewport {
  background: var(--color-bg-tools-viewport);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 24px;
  overflow: hidden;
  min-height: 104px;
  display: flex;
  align-items: center;
}

.marquee-loading {
  color: var(--color-text-secondary);
  font-size: 14px;
}

.marquee-track {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  width: max-content;
  animation: marquee-scroll var(--marquee-duration, 40s) linear infinite;
}

.marquee-viewport:hover .marquee-track,
.marquee-viewport:focus-within .marquee-track {
  animation-play-state: paused;
}

@keyframes marquee-scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

.marquee-track.is-static {
  animation: none;
  flex-wrap: wrap;
  width: 100%;
}

.tool-tile {
  flex-shrink: 0;
  width: 96px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
}

.tool-tile-icon {
  width: 68px;
  height: 68px;
  background: #fff;
  border: 1px solid var(--color-border-tile);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
}

.tool-tile-icon img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.tool-tile-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-secondary);
  white-space: nowrap;
}

/* ==========================================================================
   Career journey / verification gate
   ========================================================================== */
.gate {
  --gate-text: #f3f7f9;
  --gate-text-secondary: #aab8c4;
  --gate-text-muted: #7c8a97;
  --gate-border: rgba(255, 255, 255, 0.14);
  --gate-field-bg: rgba(255, 255, 255, 0.06);

  background: linear-gradient(155deg, #0e1724 0%, #16283a 100%);
  border: 1px solid rgba(28, 184, 163, 0.28);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 5vw, 42px) clamp(24px, 5vw, 48px);
  box-shadow: 0 24px 56px rgba(6, 16, 26, 0.35);
}

.gate-locked {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 22px;
}

.lock-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(28, 184, 163, 0.14);
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent-bright);
}

.lock-badge-icon {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}

.lock-badge-open {
  background: var(--color-accent);
  color: #fff;
}

.gate-title {
  font-weight: 700;
  font-size: clamp(22px, 3vw, 30px);
  color: var(--gate-text);
}

.gate-copy {
  color: var(--gate-text-secondary);
  font-size: 16px;
  max-width: 62ch;
}

.unlock-form {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  width: 100%;
}

.unlock-field {
  flex: 1 1 320px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.unlock-field label {
  font-size: 13px;
  font-weight: 600;
  color: var(--gate-text-secondary);
}

.unlock-input-group {
  position: relative;
  display: flex;
}

.unlock-field input {
  background: var(--gate-field-bg);
  border: 1px solid var(--gate-border);
  border-radius: var(--radius-sm);
  padding: 17px 56px 17px 20px;
  font-size: 16px;
  letter-spacing: 4px;
  min-height: 58px;
  width: 100%;
  color: var(--gate-text);
}

.unlock-field input:focus-visible {
  border-color: var(--color-accent-bright);
}

.unlock-field input.input-error {
  border-color: #ff8a80;
}

.code-visibility-toggle {
  position: absolute;
  top: 50%;
  right: 8px;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-xs);
  color: var(--gate-text-secondary);
  transition: color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}

.code-visibility-toggle:hover,
.code-visibility-toggle:focus-visible {
  color: var(--color-accent-bright);
  background: rgba(255, 255, 255, 0.08);
}

.code-visibility-toggle svg {
  width: 20px;
  height: 20px;
}

.unlock-submit {
  min-height: 58px;
  padding: 0 24px;
  flex: 0 0 auto;
  align-self: flex-end;
}

.unlock-submit[disabled] {
  opacity: 0.7;
  cursor: progress;
}

.gate-hint {
  font-size: 13px;
  color: var(--gate-text-muted);
}

.gate-status {
  font-size: 14px;
  font-weight: 600;
  min-height: 20px;
  color: var(--gate-text-secondary);
}

.gate-status[data-tone='error'] {
  color: #ff8a80;
}

.gate-status[data-tone='success'] {
  color: var(--color-accent-bright);
}

.gate-unlocked {
  display: flex;
  flex-direction: column;
  gap: 22px;
  animation: fade-expand var(--dur-slow) var(--ease-out);
}

@keyframes fade-expand {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 26px;
  padding-left: 26px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent-bright), rgba(255, 255, 255, 0.08));
}

.timeline-item {
  position: relative;
}

.timeline-node {
  position: absolute;
  left: -26px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #16283a;
  border: 2px solid var(--color-accent);
  box-shadow: 0 0 0 4px rgba(28, 184, 163, 0.14);
}

.timeline-item-current .timeline-node {
  background: var(--color-accent-bright);
  border-color: var(--color-accent-bright);
  box-shadow: 0 0 0 5px rgba(28, 184, 163, 0.28);
}

.timeline-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
}

.timeline-item-current .timeline-card {
  border-color: var(--color-accent-bright);
  box-shadow: 0 10px 24px rgba(4, 12, 20, 0.28);
}

.timeline-period-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.timeline-period {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
}

.timeline-current-tag {
  display: inline-flex;
  align-items: center;
  background: var(--color-accent);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: var(--radius-pill);
}

.timeline-role {
  font-weight: 700;
  font-size: 16px;
  margin-top: 4px;
}

.timeline-employer {
  font-size: 14px;
  color: var(--color-text-secondary);
}

.timeline-summary {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-top: 8px;
}


/* ==========================================================================
   Selected platform story
   ========================================================================== */
.case-study {
  display: grid;
  grid-template-columns: minmax(0, 460px) minmax(0, 1fr);
  gap: 36px;
  align-items: start;
}

.case-narrative {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.case-narrative li {
  display: flex;
  gap: 18px;
}

.case-index {
  color: var(--color-accent);
  font-weight: 700;
  font-size: 18px;
  flex-shrink: 0;
}

.case-narrative h3 {
  font-weight: 700;
  font-size: 18px;
  margin-bottom: 6px;
}

.case-narrative p {
  font-size: 14px;
  color: var(--color-text-secondary);
  max-width: 42ch;
}

.architecture-map {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-map);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.arch-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-secondary);
  letter-spacing: 0.4px;
}

.arch-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.arch-node {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-card-bg);
  border-radius: var(--radius-sm);
  padding: 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-secondary);
  flex: 1 1 160px;
}

.arch-node-accent {
  background: var(--color-accent);
  color: #fff;
}

.arch-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.arch-arrow {
  color: var(--color-accent);
  font-weight: 700;
  font-size: 18px;
  flex-shrink: 0;
  animation: pulse-arrow 2.4s var(--ease-out) infinite;
}

.arch-arrow-down {
  color: var(--color-accent);
  font-weight: 700;
  font-size: 18px;
  margin: 0;
  animation: pulse-arrow-vertical 2.4s var(--ease-out) infinite;
}

@keyframes pulse-arrow-vertical {
  0%,
  100% {
    opacity: 0.55;
    transform: translateY(0);
  }
  50% {
    opacity: 1;
    transform: translateY(2px);
  }
}

/* ==========================================================================
   Connect
   ========================================================================== */
.connect {
  align-items: center;
  text-align: center;
}

.connect-title {
  font-size: clamp(30px, 5vw, 46px);
  max-width: 20ch;
}

.connect-copy {
  color: var(--color-text-secondary);
  font-size: 18px;
  max-width: 60ch;
}

.connect-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

.connect-meta {
  font-size: 14px;
  color: var(--color-text-secondary);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--color-bg-teal);
  padding: 34px var(--gutter);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--color-text-secondary);
}

.back-to-top {
  font-weight: 500;
  color: var(--color-accent);
}

.back-to-top:hover,
.back-to-top:focus-visible {
  text-decoration: underline;
}

/* ==========================================================================
   Scroll-reveal animation
   ========================================================================== */
.reveal-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
}

.reveal-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay,
.reveal-delay-1 {
  transition-delay: 80ms;
}
.reveal-delay-2 {
  transition-delay: 160ms;
}
.reveal-delay-3 {
  transition-delay: 240ms;
}

@media (prefers-reduced-motion: reduce) {
  .reveal-up {
    opacity: 1;
    transform: none;
  }
  .flow-arrow,
  .arch-arrow,
  .arch-arrow-down {
    animation: none;
  }
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1023px) {
  .impact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .expertise-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .case-study {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 767px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px var(--gutter) 20px;
    transform-origin: top;
    transform: scaleY(0);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--dur-base) var(--ease-out), opacity var(--dur-base) var(--ease-out);
  }

  .nav-menu.is-open {
    transform: scaleY(1);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav-links a {
    padding: 14px 4px;
    border-bottom: 1px solid var(--color-border);
    font-size: 15px;
  }

  .nav-cta {
    margin-top: 16px;
    justify-content: center;
  }

  .hero {
    flex-direction: column;
  }

  .platform-console {
    max-width: 100%;
  }

  .impact-grid,
  .expertise-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .unlock-submit {
    align-self: stretch;
    width: 100%;
  }

  .arch-node {
    flex: 1 1 100%;
  }

  .arch-row {
    flex-direction: column;
    align-items: stretch;
  }

  .arch-row .arch-arrow {
    align-self: center;
    transform: rotate(90deg);
  }

  .site-footer {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 400px) {
  :root {
    --gutter: 18px;
  }
}