/* =========================================================
   CV. BANGUN MITRA ABADI — DESIGN SYSTEM
   Concept: construction document / blueprint sheet.
   Grid lines, dimension rules, registration crosshairs and
   sheet numbering — the visual language of a gambar kerja,
   not a generic SaaS template.
   ========================================================= */

:root {
  /* ---- Color: named + grounded in the trade ---- */
  --ink: #12242b; /* cyanotype-dark: hero/footer/panels */
  --ink-2: #1b333c; /* raised panel on ink */
  --concrete: #f3efe6; /* site-drawing paper, main bg */
  --concrete-2: #e7e1d2; /* deeper paper, alt bg */
  --paper: #ffffff;
  --steel: #4a6373; /* steel-grey, secondary marks */
  --signal: #ff5a1f; /* safety-orange — signature accent */
  --signal-2: #e04d14;
  --cyan-a: rgba(111, 168, 181, 0.2);
  --cyan-b: rgba(111, 168, 181, 0.09);

  --text-dark: #181c1f;
  --text-medium: #565f63;
  --text-light: #8a9296;
  --text-on-dark: #f3efe6;
  --text-on-dark-dim: rgba(243, 239, 230, 0.64);

  --line: rgba(18, 36, 43, 0.14);
  --line-dark: rgba(243, 239, 230, 0.18);

  --shadow-sm: 0 1px 0 rgba(18, 36, 43, 0.05);
  --shadow-md: 0 12px 30px rgba(18, 36, 43, 0.14);

  --r: 2px;

  --font-display: "Barlow Condensed", sans-serif;
  --font-body: "IBM Plex Sans", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;

  --ease: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Reset & base ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
  overflow-x: hidden;
  width: 100%;
}
body {
  font-family: var(--font-body);
  color: var(--text-dark);
  background: var(--concrete);
  line-height: 1.65;
  overflow-x: hidden;
  width: 100%;
  position: relative;
}
a {
  text-decoration: none;
  color: inherit;
}
ul {
  list-style: none;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
button {
  font-family: inherit;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Blueprint grid background utility ===== */
.blueprint {
  position: relative;
  background-color: var(--ink);
  background-image:
    linear-gradient(var(--cyan-a) 1px, transparent 1px),
    linear-gradient(90deg, var(--cyan-a) 1px, transparent 1px),
    linear-gradient(var(--cyan-b) 1px, transparent 1px),
    linear-gradient(90deg, var(--cyan-b) 1px, transparent 1px);
  background-size:
    120px 120px,
    120px 120px,
    24px 24px,
    24px 24px;
  background-position: -1px -1px;
}

/* ===== Registration crosshair corner marks ===== */
.frame-marks {
  position: relative;
  --mark: var(--signal);
}
.frame-marks::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(var(--mark) 0 0) 0 0 / 16px 2px no-repeat,
    linear-gradient(var(--mark) 0 0) 0 0 / 2px 16px no-repeat,
    linear-gradient(var(--mark) 0 0) 100% 0 / 16px 2px no-repeat,
    linear-gradient(var(--mark) 0 0) 100% 0 / 2px 16px no-repeat,
    linear-gradient(var(--mark) 0 0) 0 100% / 16px 2px no-repeat,
    linear-gradient(var(--mark) 0 0) 0 100% / 2px 16px no-repeat,
    linear-gradient(var(--mark) 0 0) 100% 100% / 16px 2px no-repeat,
    linear-gradient(var(--mark) 0 0) 100% 100% / 2px 16px no-repeat;
  opacity: 0;
  transition: var(--ease);
}
.frame-marks.is-active::before,
.frame-marks:hover::before {
  opacity: 1;
}
.frame-marks--static::before {
  opacity: 1;
}
.frame-marks--light {
  --mark: var(--text-on-dark);
}

/* ===== Typography ===== */
h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.05;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--signal);
  flex-shrink: 0;
}
.eyebrow.on-light {
  color: var(--signal-2);
}

.section-title {
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.005em;
  font-size: clamp(30px, 4.2vw, 48px);
  color: var(--ink);
  margin-bottom: 16px;
}
.section-title .highlight {
  color: var(--signal);
}
.section-title.on-dark {
  color: var(--text-on-dark);
}

.section-subtitle {
  font-size: clamp(15px, 1.1vw, 17px);
  color: var(--text-medium);
  max-width: 600px;
}
.section-subtitle.on-dark {
  color: var(--text-on-dark-dim);
}

.section-header {
  margin-bottom: 52px;
}
.section-header.center {
  text-align: center;
}
.section-header.center .eyebrow {
  justify-content: center;
}
.section-header.center .section-subtitle {
  margin: 0 auto;
}

.highlight {
  color: var(--signal);
}

/* dimension-rule divider */
.dim-rule {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-light);
  margin: 28px 0;
}
.dim-rule::before,
.dim-rule::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}
.dim-rule.on-dark {
  color: var(--text-on-dark-dim);
}
.dim-rule.on-dark::before,
.dim-rule.on-dark::after {
  background: var(--line-dark);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 30px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14.5px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: var(--ease);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
}
.btn-primary {
  background: var(--signal);
  color: var(--ink);
}
.btn-primary:hover {
  background: var(--signal-2);
  color: var(--text-on-dark);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border-color: var(--line-dark);
  color: var(--text-on-dark);
}
.btn-outline:hover {
  border-color: var(--signal);
  color: var(--signal);
  transform: translateY(-2px);
}

.btn-outline.on-light {
  border-color: var(--ink);
  color: var(--ink);
}
.btn-outline.on-light:hover {
  border-color: var(--signal);
  color: var(--signal-2);
}

.btn-consult {
  background: var(--signal);
  color: var(--ink);
  padding: 10px 20px;
  font-size: 13px;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
}
.btn-consult:hover {
  background: var(--signal-2);
  color: var(--text-on-dark);
}

.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #1fa855;
  color: #fff;
  padding: 15px 28px;
  font-weight: 600;
  font-size: 14.5px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  transition: var(--ease);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
}
.btn-whatsapp:hover {
  background: #17903f;
  transform: translateY(-2px);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  padding-bottom: 3px;
  transition: var(--ease);
}
.link-arrow i {
  transition: var(--ease);
}
.link-arrow:hover {
  color: var(--signal-2);
  border-color: var(--signal);
}
.link-arrow:hover i {
  transform: translateX(4px);
}

/* stamp / tag */
.stamp {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 12px;
  border: 1px solid var(--line-dark);
  color: var(--text-on-dark);
  background: rgba(18, 36, 43, 0.55);
  backdrop-filter: blur(4px);
}
.sheet-no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--signal-2);
}

/* ===== Navbar ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 84px;
  display: flex;
  align-items: center;
  background: rgba(243, 239, 230, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  transition: var(--ease);
}
.navbar.scrolled {
  height: 68px;
  box-shadow: var(--shadow-sm);
  background: rgba(243, 239, 230, 0.98);
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.navbar-brand a {
  display: flex;
  align-items: center;
  gap: 12px;
}
.navbar-logo {
  height: 36px;
  width: auto;
}
.navbar-brand-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  letter-spacing: 0.02em;
  color: var(--ink);
  text-transform: uppercase;
}
.navbar-brand-text::after {
  content: none;
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}
.navbar-menu li a {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-medium);
  border-bottom: 2px solid transparent;
  transition: var(--ease);
}
.navbar-menu li a:hover {
  color: var(--ink);
}
.navbar-menu li a.active {
  color: var(--signal-2);
  border-bottom-color: var(--signal);
}
.navbar-menu li .btn-consult {
  margin-left: 10px;
  border-bottom: none;
}

.navbar-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1300;
  position: relative;
}
.navbar-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--ink);
  transition: var(--ease);
}
.navbar-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
  background: var(--signal);
}
.navbar-toggle.active span:nth-child(2) {
  opacity: 0;
}
.navbar-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
  background: var(--signal);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 130px 0 60px;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 50px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.hero-content {
  color: var(--text-on-dark);
}
.hero-title {
  font-size: clamp(38px, 5.4vw, 64px);
  text-transform: uppercase;
  color: var(--text-on-dark);
  margin-bottom: 22px;
}
.hero-title .highlight {
  color: var(--signal);
}
.hero-description {
  font-size: clamp(15.5px, 1.1vw, 17.5px);
  color: var(--text-on-dark-dim);
  max-width: 500px;
  margin-bottom: 34px;
}
.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 46px;
}

.hero-stats {
  display: flex;
  gap: 0;
  border-top: 1px solid var(--line-dark);
  padding-top: 20px;
}
.stat-item {
  flex: 1;
  padding-right: 24px;
  border-right: 1px solid var(--line-dark);
}
.stat-item:last-child {
  border-right: none;
}
.stat-number {
  display: block;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 26px;
  color: var(--signal);
  margin-bottom: 4px;
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-on-dark-dim);
}

.hero-visual {
  position: relative;
  z-index: 2;
}
.blueprint-panel {
  position: relative;
  border: 1px solid var(--line-dark);
  background: rgba(27, 51, 60, 0.55);
  padding: 28px 22px 18px;
}
.blueprint-panel svg {
  width: 100%;
  height: auto;
  display: block;
}
.blueprint-panel-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--line-dark);
  margin-top: 18px;
  padding-top: 14px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-on-dark-dim);
}
.blueprint-panel-footer strong {
  color: var(--signal);
  font-weight: 500;
}

/* ===== Page hero (inner pages) ===== */
.page-hero {
  position: relative;
  padding: 150px 0 64px;
}
.page-hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}
.page-hero-content .eyebrow {
  color: var(--signal);
}
.page-hero-content h1 {
  color: var(--text-on-dark);
  text-transform: uppercase;
  font-size: clamp(32px, 4.6vw, 52px);
  margin-bottom: 10px;
}
.page-hero-content h1 .highlight {
  color: var(--signal);
}
.page-hero-content p {
  color: var(--text-on-dark-dim);
  font-size: 16px;
  max-width: 520px;
}

/* ===== About short (home) ===== */
.about-short {
  padding: 100px 0;
  background: var(--concrete);
}
.about-short-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 64px;
  align-items: center;
}

.doc-frame {
  position: relative;
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 20px;
}
.doc-frame-inner {
  aspect-ratio: 4/5;
  background: var(--ink);
  background-image:
    linear-gradient(var(--cyan-a) 1px, transparent 1px),
    linear-gradient(90deg, var(--cyan-a) 1px, transparent 1px);
  background-size: 28px 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan-a);
  font-size: 88px;
  position: relative;
}
.doc-frame-inner i {
  color: rgba(255, 90, 31, 0.85);
}
.doc-titleblock {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-light);
}
.doc-titleblock strong {
  display: block;
  color: var(--text-dark);
  font-size: 12px;
  margin-bottom: 2px;
}
.about-badge {
  position: absolute;
  top: -14px;
  right: 10px;
  background: var(--signal);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 8px 14px;
}

.about-text {
  color: var(--text-medium);
  margin-bottom: 16px;
  font-size: 15.5px;
}
.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 24px;
  margin: 28px 0 34px;
}
.feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text-dark);
}
.feature-item::before {
  content: "";
  width: 9px;
  height: 9px;
  background: var(--signal);
  flex-shrink: 0;
}
.feature-item i {
  display: none;
}

/* ===== Portfolio ===== */
.portfolio {
  padding: 100px 0;
  background: var(--ink);
  position: relative;
}
.portfolio .section-title,
.portfolio .section-subtitle {
  color: var(--text-on-dark);
}
.portfolio .section-subtitle {
  color: var(--text-on-dark-dim);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  position: relative;
  z-index: 2;
}
.portfolio-card {
  background: var(--concrete);
  border: 1px solid var(--line-dark);
  transition: var(--ease);
}
.portfolio-card:hover {
  border-color: var(--signal);
  transform: translateY(-4px);
}
.portfolio-image {
  position: relative;
  height: 220px;
  overflow: hidden;
}
.portfolio-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.portfolio-card:hover .portfolio-image img {
  transform: scale(1.06);
}
.portfolio-overlay {
  position: absolute;
  top: 12px;
  left: 12px;
}
.portfolio-content {
  padding: 22px 22px 24px;
}
.portfolio-content .sheet-no {
  display: block;
  margin-bottom: 8px;
}
.portfolio-content h3 {
  font-size: 20px;
  text-transform: uppercase;
  margin-bottom: 10px;
  color: var(--ink);
}
.portfolio-content p {
  font-size: 14px;
  color: var(--text-medium);
  margin-bottom: 18px;
}

.portfolio-more {
  text-align: center;
  margin-top: 48px;
  position: relative;
  z-index: 2;
}

/* Full portfolio listing page */
.portfolio-listing {
  padding: 90px 0;
  background: var(--concrete);
}
.portfolio-listing .portfolio-grid .portfolio-card {
  background: var(--paper);
}
.filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}
.filter-btn {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 9px 18px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text-medium);
  cursor: pointer;
  transition: var(--ease);
}
.filter-btn:hover,
.filter-btn.active {
  border-color: var(--signal);
  color: var(--signal-2);
  background: rgba(255, 90, 31, 0.06);
}

/* ===== Services ===== */
.services {
  padding: 100px 0;
  background: var(--concrete);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.service-card {
  background: var(--paper);
  padding: 40px 32px;
  position: relative;
  transition: var(--ease);
}
.service-card:hover {
  background: var(--paper);
  box-shadow: inset 3px 0 0 var(--signal);
}
.service-index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-light);
  margin-bottom: 22px;
  display: block;
}
.service-icon {
  width: 54px;
  height: 54px;
  border: 1.5px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--signal-2);
  margin-bottom: 22px;
  position: relative;
}
.service-card h3 {
  font-size: 20px;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 12px;
  letter-spacing: 0.01em;
}
.service-card p {
  font-size: 14.5px;
  color: var(--text-medium);
  margin-bottom: 22px;
  min-height: 96px;
}
.service-consult {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  padding-bottom: 3px;
  transition: var(--ease);
}
.service-consult:hover {
  color: #17903f;
  border-color: #1fa855;
}

/* ===== Articles ===== */
.articles {
  padding: 100px 0;
  background: var(--concrete-2);
}
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.article-card {
  background: var(--paper);
  border: 1px solid var(--line);
  transition: var(--ease);
}
.article-card:hover {
  border-color: var(--signal);
}
.article-image {
  height: 160px;
  background: var(--ink);
  background-image:
    linear-gradient(var(--cyan-a) 1px, transparent 1px),
    linear-gradient(90deg, var(--cyan-a) 1px, transparent 1px);
  background-size: 20px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 34px;
  color: var(--signal);
}
.article-content {
  padding: 24px 24px 26px;
}
.article-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.article-category {
  color: var(--signal-2);
}
.article-date {
  color: var(--text-light);
}
.article-content h3 {
  font-size: 18px;
  color: var(--ink);
  margin-bottom: 10px;
  line-height: 1.3;
}
.article-content p {
  font-size: 14px;
  color: var(--text-medium);
  margin-bottom: 18px;
}

/* ===== CTA ===== */
.cta-section {
  position: relative;
  padding: 100px 0;
  overflow: hidden;
}
.cta-wrapper {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}
.cta-content h2 {
  color: var(--text-on-dark);
  text-transform: uppercase;
  font-size: clamp(30px, 4vw, 44px);
  margin-bottom: 16px;
}
.cta-content h2 .highlight {
  color: var(--signal);
}
.cta-content > p {
  color: var(--text-on-dark-dim);
  font-size: 16px;
  margin-bottom: 36px;
}
.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== Footer ===== */
.footer {
  position: relative;
  padding: 76px 0 0;
  color: var(--text-on-dark);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 44px;
  padding-bottom: 50px;
  position: relative;
  z-index: 2;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}
.footer-logo img {
  height: 34px;
}
.footer-logo h3 {
  font-size: 20px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.footer-about p {
  font-size: 14px;
  color: var(--text-on-dark-dim);
  margin-bottom: 22px;
}
.footer-social {
  display: flex;
  gap: 10px;
}
.footer-social a {
  width: 36px;
  height: 36px;
  border: 1px solid var(--line-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--ease);
}
.footer-social a:hover {
  border-color: var(--signal);
  color: var(--signal);
}

.footer h4 {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer h4::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--signal);
}
.footer-links ul li,
.footer-contact ul li {
  margin-bottom: 12px;
}
.footer-links ul li a {
  font-size: 14px;
  color: var(--text-on-dark-dim);
  transition: var(--ease);
}
.footer-links ul li a:hover {
  color: var(--signal);
  padding-left: 4px;
}
.footer-contact ul li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text-on-dark-dim);
}
.footer-contact ul li i {
  color: var(--signal);
  margin-top: 3px;
  width: 16px;
}
.footer-newsletter p {
  font-size: 14px;
  color: var(--text-on-dark-dim);
  margin-bottom: 18px;
}

.footer-bottom {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  border-top: 1px solid var(--line-dark);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-on-dark-dim);
}
.footer-bottom a {
  color: var(--signal);
}

/* ===== Help widget ===== */
.help-widget {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
}
.help-toggle {
  width: 54px;
  height: 54px;
  background: var(--signal);
  border: none;
  color: var(--ink);
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: var(--ease);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
}
.help-toggle:hover {
  background: var(--signal-2);
  transform: scale(1.05);
}

.help-popup {
  position: absolute;
  bottom: 68px;
  right: 0;
  width: 360px;
  max-width: 90vw;
  background: var(--paper);
  border: 1px solid var(--ink);
  box-shadow: var(--shadow-md);
  display: none;
}
.help-popup.active {
  display: block;
  animation: slideUp 0.25s ease;
}
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.help-popup-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 18px;
  background: var(--ink);
  color: var(--text-on-dark);
}
.help-popup-header h3 {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
}
.help-popup-header h3 i {
  margin-right: 8px;
  color: var(--signal);
}
.help-close {
  background: none;
  border: none;
  color: var(--text-on-dark);
  font-size: 22px;
  cursor: pointer;
  opacity: 0.7;
}
.help-close:hover {
  opacity: 1;
}

.help-popup-body {
  padding: 18px;
  max-height: 400px;
  overflow-y: auto;
}
.help-subtitle {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 12px;
}
.help-questions {
  display: flex;
  flex-direction: column;
}
.help-question {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 4px;
  border: none;
  border-bottom: 1px solid var(--line);
  background: none;
  cursor: pointer;
  font-size: 13.5px;
  text-align: left;
  width: 100%;
  color: var(--text-dark);
  transition: var(--ease);
}
.help-question:hover {
  color: var(--signal-2);
  padding-left: 8px;
}
.help-question i {
  color: var(--signal);
  width: 18px;
}
.help-answer {
  display: none;
}
.help-answer.active {
  display: block;
}
.help-answer-content {
  padding: 14px;
  background: var(--concrete);
  border-left: 2px solid var(--signal);
  margin-bottom: 14px;
  font-size: 13.5px;
  color: var(--text-medium);
}
.help-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  background: none;
  cursor: pointer;
  font-size: 12.5px;
  color: var(--text-medium);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.help-back:hover {
  border-color: var(--ink);
  color: var(--ink);
}
.help-divider {
  border-top: 1px solid var(--line);
  margin: 16px 0;
}
.help-chat-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px;
  background: #1fa855;
  color: #fff;
  font-weight: 600;
  font-size: 13.5px;
  width: 100%;
  transition: var(--ease);
}
.help-chat-btn:hover {
  background: #17903f;
}

/* ===== About page ===== */
.about-detail {
  padding: 90px 0;
  background: var(--concrete);
}
.about-detail-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
}
.about-detail-content h2 {
  font-size: 30px;
  text-transform: uppercase;
  margin-bottom: 20px;
  color: var(--ink);
}
.about-detail-content p {
  color: var(--text-medium);
  margin-bottom: 16px;
  font-size: 15.5px;
}

.vision-mission {
  padding: 90px 0;
  background: var(--ink);
  position: relative;
}
.vision-mission-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
  position: relative;
  z-index: 2;
}
.vision-box,
.mission-box {
  background: var(--ink-2);
  padding: 44px 38px;
}
.vision-icon,
.mission-icon {
  width: 52px;
  height: 52px;
  border: 1.5px solid var(--signal);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 22px;
  color: var(--signal);
}
.vision-box h2,
.mission-box h2 {
  font-size: 24px;
  text-transform: uppercase;
  color: var(--text-on-dark);
  margin-bottom: 16px;
}
.vision-box p {
  color: var(--text-on-dark-dim);
  font-size: 15px;
}
.mission-box ul li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--text-on-dark-dim);
  font-size: 14.5px;
  margin-bottom: 14px;
}
.mission-box ul li i {
  color: var(--signal);
  margin-top: 4px;
  flex-shrink: 0;
}

.company-identity {
  padding: 90px 0 100px;
  background: var(--concrete);
}
.company-identity .section-header {
  margin-bottom: 40px;
}
.identity-doc {
  border: 1px solid var(--ink);
  background: var(--paper);
}
.identity-doc-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--ink);
  color: var(--text-on-dark);
  padding: 16px 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.identity-doc-header strong {
  color: var(--signal);
}
.identity-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.identity-item {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
}
.identity-item:nth-child(2n) {
  border-right: none;
}
.identity-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text-light);
  text-transform: uppercase;
}
.identity-value {
  font-weight: 500;
  color: var(--text-dark);
  text-align: right;
  font-size: 14.5px;
}

/* ===== Portfolio detail ===== */
.portfolio-detail {
  padding: 90px 0;
  background: var(--concrete);
}
.portfolio-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.portfolio-detail-image {
  position: relative;
  border: 1px solid var(--line);
}
.portfolio-detail-image img {
  width: 100%;
}
.portfolio-detail-category {
  position: absolute;
  top: 14px;
  left: 14px;
}
.portfolio-detail-content h2 {
  font-size: 30px;
  text-transform: uppercase;
  margin-bottom: 16px;
  color: var(--ink);
}
.detail-description {
  font-size: 15.5px;
  color: var(--text-medium);
  margin-bottom: 30px;
}
.detail-info {
  border: 1px solid var(--line);
  margin-bottom: 30px;
}
.detail-item {
  display: flex;
  justify-content: space-between;
  padding: 15px 20px;
  border-bottom: 1px solid var(--line);
}
.detail-item:last-child {
  border-bottom: none;
}
.detail-label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-light);
}
.detail-value {
  font-weight: 500;
  color: var(--text-dark);
  font-size: 14.5px;
}

/* ===== 404 ===== */
.error-page {
  padding: 180px 0 120px;
  text-align: center;
  background: var(--concrete);
}
.error-page .code {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--signal-2);
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}