/* =========================================================
   GRIN — Industrial steel design system
   Dark, technical, documentation-inspired.
   ========================================================= */

:root {
  /* Type scale (fluid) */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Steel palette — cool, dark, industrial */
  --color-bg: #0d1014;
  --color-bg-2: #11151a;
  --color-surface: #161b22;
  --color-surface-2: #1c222b;
  --color-surface-3: #232a35;
  --color-border: #2a313c;
  --color-border-strong: #3a4351;
  --color-divider: #1f2630;

  --color-text: #e6e9ee;
  --color-text-muted: #9aa3b1;
  --color-text-faint: #6b7480;
  --color-text-inverse: #0d1014;

  /* Cool steel accent — desaturated cyan/teal */
  --color-accent: #5fb4c4;
  --color-accent-hover: #7ac6d4;
  --color-accent-soft: #1c3a42;
  --color-accent-line: #2d5560;

  /* Warm utility (oxide/rust) — used sparingly */
  --color-oxide: #b25c33;

  /* Status */
  --color-success: #6daa45;

  /* Radius — minimal, technical */
  --radius-sm: 2px;
  --radius-md: 3px;
  --radius-lg: 4px;

  /* Transitions */
  --transition-interactive: 160ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 18px 40px rgba(0, 0, 0, 0.55);

  /* Content widths */
  --content-narrow: 720px;
  --content-default: 1080px;
  --content-wide: 1280px;

  /* Fonts — technical, geometric */
  --font-body: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', 'Menlo', 'Consolas', monospace;
}

/* ========================================================= */
/* Base / reset                                              */
/* ========================================================= */

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  background-image:
    radial-gradient(1200px 600px at 80% -100px, rgba(95, 180, 196, 0.06), transparent 60%),
    linear-gradient(180deg, #0b0e12 0%, var(--color-bg) 100%);
  background-attachment: fixed;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
  text-wrap: balance;
  color: var(--color-text);
}

p, li {
  text-wrap: pretty;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
a:hover {
  color: var(--color-accent-hover);
}

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

::selection {
  background: rgba(95, 180, 196, 0.3);
  color: var(--color-text);
}

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

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

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

/* ========================================================= */
/* Layout primitives                                          */
/* ========================================================= */

.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-4), 4vw, var(--space-12));
}

.section {
  padding-block: clamp(var(--space-16), 9vw, var(--space-32));
  position: relative;
}

.section--tight {
  padding-block: clamp(var(--space-12), 7vw, var(--space-24));
}

.section-header {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-12);
  max-width: 760px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--color-accent);
}

h1.page-title,
h2.section-title {
  font-size: var(--text-xl);
  letter-spacing: -0.02em;
}

h2.section-title {
  font-size: var(--text-xl);
}

.section-desc {
  color: var(--color-text-muted);
  max-width: 65ch;
  font-size: var(--text-base);
}

/* ========================================================= */
/* Top bar (technical specification strip)                   */
/* ========================================================= */

.topbar {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  background: var(--color-bg-2);
  border-bottom: 1px solid var(--color-border);
}
.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: var(--space-2);
  gap: var(--space-4);
}
.topbar-inner span + span::before {
  content: "·";
  margin-right: var(--space-3);
  color: var(--color-text-faint);
}
.topbar a {
  color: var(--color-text-muted);
}
.topbar a:hover {
  color: var(--color-accent);
}
@media (max-width: 720px) {
  .topbar-right { display: none; }
}

/* ========================================================= */
/* Header & nav                                              */
/* ========================================================= */

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(13, 16, 20, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-block: var(--space-4);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.02em;
}
.brand:hover { color: var(--color-text); }
.brand-mark {
  width: 36px;
  height: 36px;
  color: var(--color-accent);
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.brand-text strong {
  font-size: 1rem;
  letter-spacing: 0.08em;
}
.brand-text small {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--color-text-faint);
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.nav a {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
  padding-block: var(--space-2);
  position: relative;
}
.nav a:hover {
  color: var(--color-text);
}
.nav a[aria-current="page"] {
  color: var(--color-text);
}
.nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background: var(--color-accent);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
}
.menu-toggle svg { width: 22px; height: 22px; }

@media (max-width: 860px) {
  .nav {
    position: fixed;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--color-bg-2);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: transform 240ms cubic-bezier(0.16, 1, 0.3, 1), opacity 180ms ease, visibility 0s linear 180ms;
    box-shadow: var(--shadow-lg);
  }
  .nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    transition: transform 240ms cubic-bezier(0.16, 1, 0.3, 1), opacity 180ms ease, visibility 0s linear 0s;
  }
  .nav a {
    padding-block: var(--space-4);
    border-bottom: 1px solid var(--color-divider);
  }
  .nav a[aria-current="page"]::after { display: none; }
  .nav a.btn-primary.nav-cta {
    margin-top: var(--space-4);
    justify-content: center;
    border-bottom: 1px solid var(--color-accent);
    color: #0a1418;
  }
  .menu-toggle { display: inline-flex; }
}

/* ========================================================= */
/* Buttons                                                   */
/* ========================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  text-decoration: none;
  transition: all var(--transition-interactive);
  white-space: nowrap;
}
.btn svg { width: 16px; height: 16px; }

.btn-primary {
  background: var(--color-accent);
  color: #02070a;
  border-color: var(--color-accent);
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: #02070a;
  transform: translateY(-1px);
}

.nav a.btn-primary.nav-cta,
.nav a.btn-primary.nav-cta:visited,
.nav a.btn-primary.nav-cta:hover {
  color: #02070a;
  font-weight: 800;
}

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

.btn-lg {
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-base);
}

/* ========================================================= */
/* Hero                                                      */
/* ========================================================= */

.hero {
  position: relative;
  padding-block: clamp(var(--space-16), 12vw, var(--space-32));
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}
.hero::before {
  /* Technical grid backdrop */
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(58, 67, 81, 0.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(58, 67, 81, 0.18) 1px, transparent 1px);
  background-size: 56px 56px;
  background-position: -1px -1px;
  mask-image: radial-gradient(ellipse at 30% 40%, black 0%, transparent 75%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(var(--space-8), 6vw, var(--space-16));
  align-items: center;
}
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; }
}

.hero-title {
  font-size: var(--text-2xl);
  font-weight: 600;
  letter-spacing: -0.025em;
  margin-block: var(--space-5) var(--space-6);
  line-height: 1.05;
}
.hero-title em {
  font-style: normal;
  color: var(--color-accent);
}
.hero-desc {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 56ch;
  line-height: 1.5;
  margin-bottom: var(--space-8);
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* Hero spec card */
.spec-card {
  position: relative;
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-surface-2) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  font-family: var(--font-mono);
  font-size: 13px;
  box-shadow: var(--shadow-md);
}
.spec-card::before {
  /* Corner marks */
  content: "";
  position: absolute;
  inset: -1px;
  background:
    linear-gradient(90deg, var(--color-accent), var(--color-accent)) top left / 18px 1px no-repeat,
    linear-gradient(90deg, var(--color-accent), var(--color-accent)) top left / 1px 18px no-repeat,
    linear-gradient(90deg, var(--color-accent), var(--color-accent)) top right / 18px 1px no-repeat,
    linear-gradient(90deg, var(--color-accent), var(--color-accent)) top right / 1px 18px no-repeat,
    linear-gradient(90deg, var(--color-accent), var(--color-accent)) bottom left / 18px 1px no-repeat,
    linear-gradient(90deg, var(--color-accent), var(--color-accent)) bottom left / 1px 18px no-repeat,
    linear-gradient(90deg, var(--color-accent), var(--color-accent)) bottom right / 18px 1px no-repeat,
    linear-gradient(90deg, var(--color-accent), var(--color-accent)) bottom right / 1px 18px no-repeat;
  pointer-events: none;
}
.spec-card h3 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
  display: flex;
  justify-content: space-between;
}
.spec-row {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: var(--space-3);
  padding-block: var(--space-3);
  border-top: 1px dashed var(--color-divider);
}
.spec-row:first-of-type { border-top: none; padding-top: 0; }
.spec-row dt {
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 10.5px;
  padding-top: 3px;
}
.spec-row dd {
  color: var(--color-text);
  font-size: 13px;
}
.spec-row dd b {
  color: var(--color-accent);
  font-weight: 600;
}

/* ========================================================= */
/* Cards / grids                                             */
/* ========================================================= */

.grid {
  display: grid;
  gap: var(--space-6);
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

.card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  transition: border-color var(--transition-interactive), transform var(--transition-interactive);
}
.card:hover {
  border-color: var(--color-border-strong);
}

.card-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
  display: block;
  text-transform: uppercase;
}
.card h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}
.card p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.6;
}

/* Feature cards w/ icon */
.feature {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.feature-icon {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  background: var(--color-accent-soft);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-accent-line);
}
.feature-icon svg { width: 22px; height: 22px; }

/* ========================================================= */
/* Offer (category) blocks                                   */
/* ========================================================= */

.cat {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: clamp(var(--space-6), 3vw, var(--space-10));
  margin-bottom: var(--space-6);
  scroll-margin-top: 100px;
}
.cat-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-3) var(--space-6);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-divider);
  margin-bottom: var(--space-6);
}
.cat-num {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.15em;
  color: var(--color-accent);
  background: var(--color-accent-soft);
  border: 1px solid var(--color-accent-line);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
}
.cat-head h2 {
  font-size: var(--text-lg);
  flex: 1 1 auto;
  letter-spacing: -0.01em;
}
.cat-body {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(var(--space-6), 3vw, var(--space-10));
}
@media (max-width: 820px) {
  .cat-body { grid-template-columns: 1fr; }
}
.cat-body p {
  color: var(--color-text-muted);
}
.cat-body p + p { margin-top: var(--space-3); }

.spec-list {
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--color-bg-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-4) var(--space-5);
}
.spec-list li {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: var(--space-3);
  padding-block: var(--space-2);
  border-top: 1px dashed var(--color-divider);
  color: var(--color-text);
}
.spec-list li:first-child { border-top: none; }
.spec-list li span:first-child {
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 11px;
  padding-top: 2px;
}
.spec-list-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-3);
}

.grades {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}
.grade {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--color-text);
  background: var(--color-surface-3);
  border: 1px solid var(--color-border-strong);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}

.cat-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-divider);
}

/* Offer index / TOC */
.toc {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-12);
}
.toc a {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: var(--text-sm);
  font-family: var(--font-body);
}
.toc a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.toc a span:first-child {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  min-width: 22px;
}

/* ========================================================= */
/* CTA banner                                                */
/* ========================================================= */

.cta-banner {
  position: relative;
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg-2) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: clamp(var(--space-8), 5vw, var(--space-16));
  display: grid;
  grid-template-columns: 1.2fr auto;
  gap: var(--space-8);
  align-items: center;
  overflow: hidden;
}
.cta-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(58, 67, 81, 0.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(58, 67, 81, 0.18) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at 80% 20%, black 0%, transparent 70%);
  pointer-events: none;
}
.cta-banner > * { position: relative; }
.cta-banner h2 {
  font-size: var(--text-xl);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
}
.cta-banner p {
  color: var(--color-text-muted);
  max-width: 60ch;
}
.cta-banner-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
@media (max-width: 820px) {
  .cta-banner { grid-template-columns: 1fr; }
}

/* ========================================================= */
/* Contact page                                              */
/* ========================================================= */

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(var(--space-8), 4vw, var(--space-16));
}
@media (max-width: 960px) {
  .contact-grid { grid-template-columns: 1fr; }
}

.contact-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: clamp(var(--space-6), 3vw, var(--space-10));
}
.contact-card h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-divider);
}

.contact-list {
  list-style: none;
  display: grid;
  gap: var(--space-4);
}
.contact-list li {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: var(--space-4);
  align-items: baseline;
}
.contact-list dt,
.contact-list .lbl {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}
.contact-list dd,
.contact-list .val {
  font-size: var(--text-base);
  color: var(--color-text);
}
.contact-list a { color: var(--color-text); }
.contact-list a:hover { color: var(--color-accent); }

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
}

.rfq-list {
  display: grid;
  gap: var(--space-3);
  list-style: none;
  counter-reset: rfq;
}
.rfq-list li {
  counter-increment: rfq;
  padding: var(--space-4) var(--space-4) var(--space-4) var(--space-12);
  position: relative;
  background: var(--color-bg-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}
.rfq-list li::before {
  content: counter(rfq, decimal-leading-zero);
  position: absolute;
  left: var(--space-4);
  top: var(--space-4);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-accent);
  letter-spacing: 0.1em;
}
.rfq-list strong { color: var(--color-text); }
.rfq-list span { color: var(--color-text-muted); display: block; font-size: var(--text-sm); margin-top: 2px; }

.loc-card {
  background: var(--color-bg-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-5);
  margin-top: var(--space-5);
}
.loc-card h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}
.loc-card p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.6;
}
.loc-card p + p { margin-top: var(--space-2); }

/* ========================================================= */
/* Pipe photos                                               */
/* ========================================================= */

.photo-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.82fr 0.82fr;
  gap: var(--space-4);
}

.photo-card,
.offer-photo-strip figure {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  box-shadow: var(--shadow-md);
}

.photo-card {
  min-height: 360px;
}

.photo-card--wide {
  min-height: 460px;
}

.photo-card img,
.offer-photo-strip img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.06);
  transition: transform 420ms cubic-bezier(0.16, 1, 0.3, 1), filter 420ms ease;
}

.photo-card:hover img,
.offer-photo-strip figure:hover img {
  transform: scale(1.025);
  filter: saturate(1) contrast(1.08);
}

.photo-card figcaption {
  position: absolute;
  left: var(--space-4);
  right: var(--space-4);
  bottom: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border: 1px solid rgba(95, 180, 196, 0.26);
  background: rgba(13, 16, 20, 0.82);
  backdrop-filter: blur(10px);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.offer-photo-strip {
  display: grid;
  grid-template-columns: 0.85fr 1.3fr 0.85fr;
  gap: var(--space-5);
  align-items: stretch;
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  background:
    linear-gradient(135deg, rgba(95, 180, 196, 0.08), transparent 32%),
    var(--color-surface);
  box-shadow: var(--shadow-lg);
}

.offer-photo-strip figure {
  min-height: 300px;
}

.offer-photo-strip > div {
  align-self: center;
  padding: var(--space-4);
}

.offer-photo-strip h2 {
  margin-top: var(--space-3);
  max-width: 15ch;
}

.offer-photo-strip p {
  color: var(--color-text-muted);
  margin-top: var(--space-4);
}

@media (max-width: 900px) {
  .photo-grid,
  .offer-photo-strip {
    grid-template-columns: 1fr;
  }

  .photo-card,
  .photo-card--wide,
  .offer-photo-strip figure {
    min-height: 280px;
  }
}

/* ========================================================= */
/* Footer                                                    */
/* ========================================================= */

.footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-2);
  padding-block: var(--space-12) var(--space-6);
  margin-top: var(--space-20);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-10);
}
@media (max-width: 820px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; }
}
.footer h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
}
.footer ul {
  list-style: none;
  display: grid;
  gap: var(--space-2);
}
.footer ul a {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.footer ul a:hover { color: var(--color-accent); }
.footer-brand p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin-top: var(--space-4);
  max-width: 36ch;
}
.footer-bottom {
  border-top: 1px solid var(--color-divider);
  padding-top: var(--space-5);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}

/* ========================================================= */
/* Misc                                                      */
/* ========================================================= */

.kbd {
  font-family: var(--font-mono);
  color: var(--color-accent);
}

.divider-mono {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.divider-mono::before,
.divider-mono::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

/* Inline definition list used on Home About block */
.kv {
  display: grid;
  gap: var(--space-3);
  list-style: none;
}
.kv li {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: var(--space-4);
  padding-block: var(--space-3);
  border-top: 1px solid var(--color-divider);
}
.kv li:first-child { border-top: none; padding-top: 0; }
.kv li span:first-child {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-text-faint);
}
.kv li span:last-child { color: var(--color-text); }