:root {
  /* Colors — Thomas Vimare Minimalist Dark */
  --color-deep-night: #171717;
  --color-surface: #1c1c1c;
  --color-polar-white: #ffffff;
  --color-quiet-fog: #9a9a9a;
  --color-dim-fog: #6e6e6e;
  --color-hairline: rgba(255, 255, 255, 0.16);
  --color-hairline-strong: rgba(255, 255, 255, 0.34);

  /* Typography */
  --font-sans: "Be Vietnam Pro", "HelveticaNowDisplay-Light", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* Type Scale */
  --text-caption: 0.875rem;
  --leading-caption: 1.5;
  --tracking-caption: 0.04em;

  --text-body-sm: 1.0625rem;
  --leading-body-sm: 1.6;
  --tracking-body-sm: -0.004em;

  --text-body: clamp(1.15rem, 1.5vw, 1.375rem);
  --leading-body: 1.48;
  --tracking-body: -0.006em;

  --text-subheading: clamp(1.35rem, 2.1vw, 1.75rem);
  --leading-subheading: 1.24;
  --tracking-subheading: -0.008em;

  --text-heading: clamp(1.65rem, 2.8vw, 2.15rem);
  --leading-heading: 1.18;
  --tracking-heading: -0.012em;

  --text-display: clamp(2.35rem, 4.8vw, 3.65rem);
  --leading-display: 1.06;
  --tracking-display: -0.02em;

  /* Spacing & Layout */
  --spacing-5: 5px;
  --spacing-10: 10px;
  --spacing-20: 20px;
  --spacing-40: 40px;
  --spacing-60: 60px;
  --spacing-120: 120px;

  --page-max-width: 1520px;
  --section-gap: 120px;
  --card-padding: 48px;
  --element-gap: 20px;
  --radius-default: 0px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  border-radius: 0;
}

html {
  scroll-behavior: smooth;
  background-color: var(--color-deep-night);
  color: var(--color-polar-white);
  color-scheme: dark;
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--color-deep-night);
  color: var(--color-polar-white);
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: var(--text-body-sm);
  line-height: var(--leading-body-sm);
  letter-spacing: var(--tracking-body-sm);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

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

button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
  background: transparent;
  border-radius: 0;
}

/* Skip Link */
.skip-link {
  position: fixed;
  left: var(--spacing-20);
  top: -100px;
  z-index: 100;
  background: var(--color-polar-white);
  color: var(--color-deep-night);
  padding: 10px 20px;
  font-weight: 400;
  font-size: var(--text-caption);
}

.skip-link:focus {
  top: var(--spacing-20);
}

/* Top Navigation — Minimalist Gallery Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: rgba(23, 23, 23, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-hairline);
}

.nav {
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: 22px var(--spacing-40);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-40);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--color-polar-white);
}

.brand-mark {
  width: 28px;
  height: 28px;
  display: inline-grid;
  place-items: center;
  border: 2px solid var(--color-polar-white);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-polar-white);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  padding-top: var(--spacing-5);
  padding-bottom: var(--spacing-10);
  font-size: 1rem;
  font-weight: 300;
  color: var(--color-quiet-fog);
  border-bottom: 2px solid transparent;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-polar-white);
  border-bottom-color: var(--color-polar-white);
}

.nav-links .nav-cta {
  padding: 8px 18px;
  border: 2px solid var(--color-polar-white);
  color: var(--color-polar-white);
  font-weight: 400;
}

.nav-links .nav-cta:hover,
.nav-links .nav-cta.active {
  background-color: var(--color-polar-white);
  color: var(--color-deep-night);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--color-hairline-strong);
  padding: 10px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 1.5px;
  margin: 4px 0;
  background: var(--color-polar-white);
}

/* Structural Sections */
.section {
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: var(--section-gap) var(--spacing-40);
  border-bottom: 1px solid var(--color-hairline);
}

.section.no-border {
  border-bottom: 0;
}

/* Typography Elements */
h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1 {
  font-size: var(--text-display);
  line-height: var(--leading-display);
  letter-spacing: var(--tracking-display);
  font-weight: 300;
  color: var(--color-polar-white);
  margin-bottom: var(--spacing-40);
}

h2 {
  font-size: var(--text-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  font-weight: 300;
  color: var(--color-polar-white);
  margin-bottom: var(--spacing-20);
}

h3 {
  font-size: var(--text-subheading);
  line-height: var(--leading-subheading);
  letter-spacing: var(--tracking-subheading);
  font-weight: 400;
  color: var(--color-polar-white);
  margin-bottom: 14px;
}

p {
  color: var(--color-quiet-fog);
  font-size: var(--text-body-sm);
  line-height: var(--leading-body-sm);
  margin-bottom: var(--spacing-20);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.4;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-quiet-fog);
  margin-bottom: var(--spacing-20);
  display: flex;
  align-items: center;
  gap: 12px;
}

.eyebrow::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 1px;
  background-color: var(--color-polar-white);
}

.hero-text {
  font-size: var(--text-body);
  line-height: var(--leading-body);
  letter-spacing: var(--tracking-body);
  color: var(--color-quiet-fog);
  max-width: 780px;
}

.microcopy {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--color-quiet-fog);
}

/* Breadcrumbs */
.breadcrumbs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-quiet-fog);
  margin-bottom: var(--spacing-40);
}

.breadcrumbs a {
  color: var(--color-polar-white);
  border-bottom: 1px solid var(--color-hairline-strong);
}

.breadcrumbs a:hover {
  border-bottom-color: var(--color-polar-white);
}

/* Section Headers */
.section-header-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: var(--spacing-60);
  align-items: start;
  margin-bottom: var(--spacing-60);
}

.section-heading {
  max-width: 920px;
  margin-bottom: var(--spacing-60);
}

.section-heading.narrow {
  max-width: 720px;
}

/* Hero Section — Typographic & Architectural */
.hero {
  padding-top: var(--spacing-120);
  padding-bottom: var(--spacing-120);
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: var(--spacing-60);
  align-items: end;
}

.hero-copy h1 {
  max-width: 980px;
}

.hero-meta-panel {
  border: 2px solid var(--color-polar-white);
  padding: var(--spacing-40);
  background-color: var(--color-deep-night);
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-polar-white);
}

.status-indicator::before {
  content: "";
  width: 8px;
  height: 8px;
  background-color: var(--color-polar-white);
}

.meta-list {
  display: grid;
  gap: 14px;
  border-top: 1px solid var(--color-hairline);
  padding-top: 20px;
}

.meta-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.92rem;
  border-bottom: 1px solid var(--color-hairline);
  padding-bottom: 12px;
}

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

.meta-row span {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-quiet-fog);
}

.meta-row strong {
  font-weight: 400;
  color: var(--color-polar-white);
  text-align: right;
}

/* Keyword Bar (Background / Capabilities Strip) */
.keyword-strip {
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: 36px var(--spacing-40);
  border-bottom: 1px solid var(--color-hairline);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.keyword-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-quiet-fog);
}

.keyword-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.keyword-tag {
  padding: 8px 16px;
  border: 1px solid var(--color-hairline-strong);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--color-polar-white);
  transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.keyword-tag:hover {
  border-color: var(--color-polar-white);
  background-color: var(--color-polar-white);
  color: var(--color-deep-night);
}

/* Buttons & Links */
.hero-actions,
.button-row {
  display: flex;
  gap: var(--spacing-20);
  flex-wrap: wrap;
  margin-top: var(--spacing-40);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px 28px;
  font-size: 0.95rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  cursor: pointer;
  border: 2px solid var(--color-polar-white);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.btn.primary {
  background-color: var(--color-polar-white);
  color: var(--color-deep-night);
}

.btn.primary:hover {
  background-color: transparent;
  color: var(--color-polar-white);
}

.btn.ghost {
  background-color: transparent;
  color: var(--color-polar-white);
  border-color: var(--color-hairline-strong);
}

.btn.ghost:hover {
  border-color: var(--color-polar-white);
}

.text-link,
.inline-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--color-polar-white);
  padding-bottom: 4px;
  border-bottom: 2px solid var(--color-polar-white);
  width: max-content;
}

.text-link:hover,
.inline-link:hover {
  color: var(--color-quiet-fog);
  border-bottom-color: var(--color-quiet-fog);
}

/* Showcase / Product Gallery Cards (Thomas Vimare 2-Column & Full-Width Blocks) */
.showcase-stack {
  display: grid;
  gap: var(--spacing-60);
}

.showcase-item {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--spacing-60);
  padding: var(--card-padding);
  border: 1px solid var(--color-hairline);
  background-color: var(--color-deep-night);
  align-items: center;
  transition: border-color 0.25s ease;
}

.showcase-item:hover {
  border-color: var(--color-polar-white);
}

.showcase-visual {
  border: 2px solid var(--color-polar-white);
  padding: var(--spacing-40);
  background-color: var(--color-surface);
  min-height: 320px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 24px;
}

.showcase-visual svg {
  width: 100%;
  height: auto;
}

.visual-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--color-hairline);
  padding-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-quiet-fog);
}

.visual-header strong {
  color: var(--color-polar-white);
  font-weight: 400;
}

.visual-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  border-top: 1px solid var(--color-hairline);
  padding-top: 16px;
}

.visual-metrics div strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--color-polar-white);
}

.visual-metrics div span {
  font-size: 0.78rem;
  color: var(--color-quiet-fog);
}

.showcase-content {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.case-meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.case-meta span,
.tag {
  display: inline-flex;
  padding: 4px 10px;
  border: 1px solid var(--color-hairline-strong);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-quiet-fog);
}

/* 3-Column Case Grid (for secondary layouts) */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-20);
}

.case-card {
  border: 1px solid var(--color-hairline);
  padding: var(--spacing-40);
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-height: 380px;
  transition: border-color 0.2s ease;
}

.case-card:hover {
  border-color: var(--color-polar-white);
}

.case-card.featured {
  border: 2px solid var(--color-polar-white);
}

.case-card .inline-link {
  margin-top: auto;
}

/* Services Architectural Index List / Grid */
.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--color-hairline);
  border-left: 1px solid var(--color-hairline);
}

.service-card {
  padding: var(--card-padding);
  border-right: 1px solid var(--color-hairline);
  border-bottom: 1px solid var(--color-hairline);
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-height: 320px;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.service-card:hover {
  background-color: var(--color-surface);
}

.service-card > span {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-quiet-fog);
  letter-spacing: 0.08em;
}

.service-card b {
  margin-top: auto;
  font-weight: 400;
  font-size: 0.92rem;
  color: var(--color-polar-white);
  padding-bottom: 4px;
  border-bottom: 2px solid var(--color-polar-white);
  width: max-content;
}

/* Service Detail Rows (services.html) */
.service-detail {
  scroll-margin-top: 100px;
  padding: var(--spacing-60) 0;
  border-top: 1px solid var(--color-hairline);
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: var(--spacing-60);
}

.service-detail:first-child {
  border-top: 0;
  padding-top: 0;
}

.deliverables {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 16px;
}

.deliverables span {
  padding: 16px 20px;
  border: 1px solid var(--color-hairline);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-polar-white);
}

.fit-list {
  list-style: none;
  padding: 0;
  margin: 0 0 32px 0;
  display: grid;
  gap: 12px;
}

.fit-list li {
  padding-left: 24px;
  position: relative;
  color: var(--color-quiet-fog);
}

.fit-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--color-polar-white);
}

/* Problem Grid & Process Steps */
.problem-grid,
.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--color-hairline);
  border-left: 1px solid var(--color-hairline);
}

.problem-card,
.step {
  padding: var(--spacing-40);
  border-right: 1px solid var(--color-hairline);
  border-bottom: 1px solid var(--color-hairline);
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 260px;
}

.step strong,
.problem-index {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--color-quiet-fog);
  letter-spacing: 0.08em;
}

/* Project / Case Study Detail Pages */
.page-hero {
  padding-top: 96px;
  padding-bottom: 72px;
}

.project-hero {
  padding-top: 96px;
  padding-bottom: 96px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--spacing-60);
  align-items: center;
}

.project-title {
  font-size: clamp(2.75rem, 6vw, 4.5rem);
  line-height: 1.02;
  letter-spacing: -0.025em;
  font-weight: 300;
  margin-bottom: 24px;
}

.system-visual {
  border: 2px solid var(--color-polar-white);
  padding: var(--spacing-40);
  background-color: var(--color-surface);
}

.system-screen {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.flow-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin: 12px 0;
}

.flow-row span {
  padding: 10px 16px;
  border: 1px solid var(--color-polar-white);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-polar-white);
}

.flow-row i {
  color: var(--color-quiet-fog);
  font-style: normal;
  font-family: var(--font-mono);
}

.metric-card {
  padding: 20px;
  border: 1px solid var(--color-hairline);
  background-color: var(--color-deep-night);
}

.metric-card span {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-quiet-fog);
  margin-bottom: 6px;
}

.metric-card strong {
  display: block;
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-polar-white);
}

/* Content Panels & Evidence Grid */
.content-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-20);
}

.content-panel,
.story-card {
  border: 1px solid var(--color-hairline);
  padding: var(--card-padding);
  background-color: var(--color-deep-night);
}

.content-panel.dark {
  border: 2px solid var(--color-polar-white);
  background-color: var(--color-surface);
}

.evidence-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-20);
}

.evidence-card {
  padding: var(--spacing-40);
  border: 1px solid var(--color-hairline);
}

.evidence-card strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 2.4rem;
  font-weight: 300;
  color: var(--color-polar-white);
  margin-bottom: 12px;
}

/* System Modules List (replaces old career timeline) */
.career-timeline,
.module-list {
  display: grid;
  border-top: 1px solid var(--color-hairline);
}

.timeline-item,
.module-row {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--spacing-40);
  padding: var(--spacing-40) 0;
  border-bottom: 1px solid var(--color-hairline);
  align-items: start;
}

.timeline-item time,
.module-tag {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-polar-white);
}

.timeline-item p:last-child,
.module-row p:last-child {
  margin-bottom: 0;
}

/* Insights Grid & Articles */
.insight-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-20);
}

.insight-card {
  border: 1px solid var(--color-hairline);
  padding: var(--spacing-40);
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-height: 300px;
  transition: border-color 0.2s ease;
}

.insight-card:hover {
  border-color: var(--color-polar-white);
}

.insight-card a {
  margin-top: auto;
  font-weight: 400;
  color: var(--color-polar-white);
  padding-bottom: 4px;
  border-bottom: 2px solid var(--color-polar-white);
  width: max-content;
}

.visual-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.visual-pills span {
  padding: 6px 14px;
  border: 1px solid var(--color-hairline-strong);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-polar-white);
}

.article-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--spacing-60);
  align-items: start;
}

.topic-nav {
  position: sticky;
  top: 100px;
  display: grid;
  gap: 8px;
  border-left: 1px solid var(--color-hairline);
  padding-left: 20px;
}

.topic-nav a {
  padding: 8px 0;
  color: var(--color-quiet-fog);
  font-size: 0.95rem;
}

.topic-nav a:hover {
  color: var(--color-polar-white);
}

.article-stack {
  display: grid;
  gap: var(--spacing-60);
}

.article {
  scroll-margin-top: 100px;
  border: 1px solid var(--color-hairline);
  padding: var(--card-padding);
}

.article blockquote,
.quote {
  margin: 32px 0;
  padding: 24px 32px;
  border-left: 2px solid var(--color-polar-white);
  font-size: var(--text-subheading);
  line-height: 1.35;
  font-weight: 300;
  color: var(--color-polar-white);
}

.article-table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
}

.article-table th,
.article-table td {
  text-align: left;
  padding: 16px;
  border-bottom: 1px solid var(--color-hairline);
  vertical-align: top;
}

.article-table th {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-polar-white);
  font-weight: 400;
}

/* Contact Layout & Form */
.contact-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: var(--spacing-60);
  align-items: start;
}

.contact-card {
  border: 2px solid var(--color-polar-white);
  padding: var(--spacing-40);
  display: grid;
  gap: 16px;
}

.contact-card a {
  padding: 16px 20px;
  border: 1px solid var(--color-hairline);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-polar-white);
  font-size: 0.95rem;
}

.contact-card a:hover {
  border-color: var(--color-polar-white);
  background-color: var(--color-surface);
}

.contact-card a span {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  text-transform: uppercase;
  color: var(--color-quiet-fog);
}

.brief-form {
  border: 1px solid var(--color-hairline);
  padding: var(--card-padding);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 32px;
}

.field {
  display: grid;
  gap: 10px;
}

.field.full {
  grid-column: 1 / -1;
}

.field label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-polar-white);
}

.field input,
.field textarea,
.field select {
  width: 100%;
  border: 1px solid var(--color-hairline-strong);
  background-color: var(--color-deep-night);
  padding: 14px 16px;
  color: var(--color-polar-white);
  transition: border-color 0.2s ease;
}

.field select option {
  background-color: var(--color-deep-night);
  color: var(--color-polar-white);
}

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

.field textarea {
  min-height: 140px;
  resize: vertical;
}

.form-note {
  font-size: 0.82rem;
  color: var(--color-quiet-fog);
  margin-top: 16px;
  margin-bottom: 0;
}

.success-message {
  display: none;
  padding: 16px 20px;
  border: 2px solid var(--color-polar-white);
  color: var(--color-polar-white);
  margin-top: 20px;
}

.success-message.show {
  display: block;
}

/* CTA Band */
.cta-band {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--spacing-40);
  align-items: center;
  padding: var(--spacing-60);
  border: 2px solid var(--color-polar-white);
  background-color: var(--color-surface);
  margin-top: var(--spacing-60);
  margin-bottom: var(--spacing-60);
}

/* Footer */
.footer {
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: var(--spacing-60) var(--spacing-40);
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: var(--spacing-60);
  align-items: start;
  border-top: 1px solid var(--color-hairline);
}

.footer .brand {
  margin-bottom: 12px;
}

.footer p {
  font-size: 0.88rem;
  margin-bottom: 0;
}

.footer-links {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  color: var(--color-quiet-fog);
}

.footer-links a:hover {
  color: var(--color-polar-white);
}

.center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

/* Subtle Reveal Animation */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.delay-1 {
  transition-delay: 0.08s;
}

.delay-2 {
  transition-delay: 0.16s;
}

.delay-3 {
  transition-delay: 0.24s;
}

:focus-visible {
  outline: 2px solid var(--color-polar-white);
  outline-offset: 4px;
}

/* Responsive Breakpoints */
@media (max-width: 1080px) {
  :root {
    --section-gap: 88px;
    --card-padding: 36px;
  }

  .hero,
  .showcase-item,
  .project-hero,
  .contact-layout,
  .service-detail,
  .section-header-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-40);
  }

  .problem-grid,
  .timeline {
    grid-template-columns: repeat(2, 1fr);
  }

  .case-grid,
  .insight-grid,
  .evidence-grid {
    grid-template-columns: 1fr;
  }

  .article-layout {
    grid-template-columns: 1fr;
  }

  .topic-nav {
    position: static;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    border-left: 0;
    border-bottom: 1px solid var(--color-hairline);
    padding-left: 0;
    padding-bottom: 16px;
  }

  .cta-band {
    grid-template-columns: 1fr;
  }

  .footer {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 720px) {
  :root {
    --section-gap: 64px;
    --card-padding: 24px;
  }

  .nav {
    padding: 18px 20px;
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 20px;
    background-color: var(--color-deep-night);
    border-bottom: 2px solid var(--color-polar-white);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 14px 0;
    border-bottom: 1px solid var(--color-hairline);
  }

  .nav-links .nav-cta {
    margin-top: 12px;
    text-align: center;
  }

  .section,
  .keyword-strip,
  .footer {
    padding-left: 20px;
    padding-right: 20px;
  }

  .hero,
  .page-hero,
  .project-hero {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .service-grid,
  .problem-grid,
  .timeline,
  .content-grid,
  .form-grid,
  .deliverables,
  .visual-metrics {
    grid-template-columns: 1fr;
  }

  .timeline-item,
  .module-row {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .cta-band {
    padding: 32px 24px;
    margin-left: 20px;
    margin-right: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

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

/* Filter Bar & Plan Showcase Slots */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: var(--spacing-40);
}

.filter-btn {
  padding: 10px 18px;
  border: 1px solid var(--color-hairline-strong);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-quiet-fog);
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-btn:hover,
.filter-btn.active {
  border-color: var(--color-polar-white);
  background-color: var(--color-polar-white);
  color: var(--color-deep-night);
}

.showcase-item[hidden] {
  display: none;
}

/* Marketing Plan Blueprint & Slot Components */
.plan-blueprint {
  border: 2px solid var(--color-polar-white);
  padding: var(--card-padding);
  background-color: var(--color-surface);
  display: grid;
  gap: var(--spacing-40);
}

.plan-blueprint-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 20px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-hairline);
}

.plan-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid var(--color-polar-white);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-polar-white);
}

.plan-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-20);
}

.plan-slot-box {
  border: 1px dashed var(--color-hairline-strong);
  padding: 28px;
  background-color: var(--color-deep-night);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.plan-slot-box:hover {
  border-style: solid;
  border-color: var(--color-polar-white);
}

.plan-slot-box .slot-label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-polar-white);
}

.plan-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-hairline);
  background-color: var(--color-deep-night);
}

.plan-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}

.plan-table th,
.plan-table td {
  text-align: left;
  padding: 18px 20px;
  border-bottom: 1px solid var(--color-hairline);
  vertical-align: top;
}

.plan-table th {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-polar-white);
  background-color: var(--color-surface);
  font-weight: 400;
}

.plan-table td {
  color: var(--color-quiet-fog);
  font-size: 0.95rem;
}

.plan-table td strong {
  color: var(--color-polar-white);
  font-weight: 400;
}

.showcase-item.template-slot {
  border: 1px dashed var(--color-hairline-strong);
  background-color: rgba(255, 255, 255, 0.015);
}

.showcase-item.template-slot:hover {
  border-style: solid;
  border-color: var(--color-polar-white);
}

@media (max-width: 1080px) {
  .plan-grid-3 {
    grid-template-columns: 1fr;
  }
}

/* Company Research & Strategy Suite Directory */
.research-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--color-hairline);
  border-left: 1px solid var(--color-hairline);
}

.research-card {
  padding: 36px;
  border-right: 1px solid var(--color-hairline);
  border-bottom: 1px solid var(--color-hairline);
  background-color: var(--color-deep-night);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.research-card:hover {
  background-color: var(--color-surface);
}

.research-card[hidden] {
  display: none;
}

.research-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-quiet-fog);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-hairline);
}

.research-card-top strong {
  color: var(--color-polar-white);
  font-weight: 400;
}

.research-card h3 {
  font-size: 1.3rem;
  margin-bottom: 4px;
}

.research-card p {
  font-size: 0.94rem;
  margin-bottom: 0;
}

.research-links {
  margin-top: auto;
  padding-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.research-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--color-polar-white);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--color-polar-white);
  background-color: transparent;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.research-link:hover {
  background-color: var(--color-polar-white);
  color: var(--color-deep-night);
}

.research-link.primary {
  background-color: var(--color-polar-white);
  color: var(--color-deep-night);
}

.research-link.primary:hover {
  background-color: transparent;
  color: var(--color-polar-white);
}

@media (max-width: 1180px) {
  .research-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 720px) {
  .research-grid {
    grid-template-columns: 1fr;
  }

  .research-card {
    padding: 24px;
  }
}


/* Showcase grid children must be allowed to shrink below their content width (prevents mobile overflow) */
.showcase-item > * {
  min-width: 0;
}

/* FAQ */
.faq-list {
  border-top: 1px solid var(--color-hairline);
}

.faq-item {
  border-bottom: 1px solid var(--color-hairline);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-20);
  padding: 28px 0;
  font-size: var(--text-subheading);
  line-height: var(--leading-subheading);
  letter-spacing: var(--tracking-subheading);
  cursor: pointer;
  list-style: none;
  transition: color 0.2s ease;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 1.25rem;
  color: var(--color-quiet-fog);
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item summary:hover {
  color: var(--color-quiet-fog);
}

.faq-item p {
  max-width: 820px;
  margin: 0;
  padding: 0 0 28px;
  color: var(--color-quiet-fog);
}

/* Floating Zalo button */
.zalo-float {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 60;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px;
  background-color: var(--color-polar-white);
  color: var(--color-deep-night);
  border: 2px solid var(--color-polar-white);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.zalo-float:hover {
  background-color: var(--color-deep-night);
  color: var(--color-polar-white);
}

.zalo-float svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

@media (max-width: 720px) {
  .faq-item summary {
    padding: 22px 0;
  }

  .zalo-float {
    right: 16px;
    bottom: 16px;
    padding: 14px;
  }

  .zalo-float span {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }
}

@media print {
  .zalo-float {
    display: none;
  }
}

/* Portrait (homepage hero panel & about page) */
.hero-portrait,
.about-portrait {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: grayscale(100%) contrast(1.05);
  border: 1px solid var(--color-hairline-strong);
}

.hero-portrait {
  aspect-ratio: 16 / 9;
  object-position: center 72%;
}

.hero:has(.hero-portrait) {
  align-items: center;
}

.about-split {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: var(--spacing-60);
  align-items: start;
}

.about-split > * {
  min-width: 0;
}

.about-portrait {
  aspect-ratio: 3 / 4;
}

/* Pricing formats, "see all" links, proof lines, disclaimers */
.format-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-20);
  margin-top: var(--spacing-20);
}

.section-more {
  margin-top: var(--spacing-40);
}

.proof-line {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  letter-spacing: var(--tracking-caption);
  color: var(--color-quiet-fog);
}

.proof-line a {
  color: var(--color-polar-white);
  border-bottom: 1px solid var(--color-hairline-strong);
}

.proof-line a:hover {
  border-bottom-color: var(--color-polar-white);
}

.disclaimer {
  max-width: 900px;
  margin: var(--spacing-40) 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--color-hairline-strong);
  font-size: var(--text-caption);
  line-height: var(--leading-caption);
  color: var(--color-dim-fog);
}

/* Testimonials */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-20);
}

.testimonial-card {
  margin: 0;
  padding: var(--spacing-40);
  border: 1px solid var(--color-hairline);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 24px;
}

.testimonial-card blockquote {
  margin: 0;
  font-size: var(--text-body);
  line-height: var(--leading-body);
}

.testimonial-card figcaption {
  display: grid;
  gap: 4px;
}

.testimonial-card figcaption span {
  font-size: var(--text-caption);
  color: var(--color-quiet-fog);
}

@media (max-width: 1080px) {
  .about-split,
  .format-grid,
  .testimonial-grid {
    grid-template-columns: 1fr;
  }

  .about-portrait {
    max-width: 420px;
  }
}