/* =========================================================
   Honeypot — hidden field to catch spam bots, invisible to humans
   ========================================================= */
.honeypot {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

/* =========================================================
   Solar Block — Architectural Safety Film | Design Tokens
   Direction: Steel navy + amber safety accent.
   Authoritative, safety-led, procurement-friendly.
   ========================================================= */

:root {
  /* Type scale */
  --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);
  --text-hero: clamp(2.75rem, 0.8rem + 6vw, 6.5rem);

  /* 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;

  /* Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 200ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-narrow: 680px;
  --content-default: 1040px;
  --content-wide: 1280px;

  /* Fonts */
  --font-display: 'Instrument Serif', 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Inter', 'Helvetica Neue', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, monospace;
}

/* LIGHT MODE (default) — steel navy palette */
:root,
[data-theme='light'] {
  --color-bg: #f5f6f8;
  --color-surface: #ffffff;
  --color-surface-2: #fafbfc;
  --color-surface-offset: #eceef2;
  --color-surface-offset-2: #e2e5eb;
  --color-surface-dynamic: #d6dae2;
  --color-divider: #d4d8e0;
  --color-border: #c5cad4;

  --color-text: #0e1a2b;
  --color-text-muted: #4d5769;
  --color-text-faint: #8a93a3;
  --color-text-inverse: #f7f8fa;

  /* Primary — deep steel navy */
  --color-primary: #0e2a4a;
  --color-primary-hover: #081f3a;
  --color-primary-active: #051528;
  --color-primary-highlight: #d4dbe6;

  /* Accent — safety amber (high-vis, regulatory feel) */
  --color-accent: #e8a317;
  --color-accent-hover: #cf8d0a;
  --color-accent-active: #a76f05;
  --color-accent-highlight: #f8ead0;

  --color-success: #2d6a2f;
  --color-error: #b42b2b;

  --shadow-sm: 0 1px 2px rgba(14, 26, 43, 0.06);
  --shadow-md: 0 6px 18px rgba(14, 26, 43, 0.08);
  --shadow-lg: 0 20px 48px rgba(14, 26, 43, 0.14);
}

[data-theme='dark'] {
  --color-bg: #0a1220;
  --color-surface: #101a2c;
  --color-surface-2: #142137;
  --color-surface-offset: #1a2943;
  --color-surface-offset-2: #213255;
  --color-surface-dynamic: #2a3d64;
  --color-divider: #1f2c45;
  --color-border: #2c3a56;

  --color-text: #e8ecf3;
  --color-text-muted: #95a0b4;
  --color-text-faint: #5d6880;
  --color-text-inverse: #0a1220;

  --color-primary: #5a87c0;
  --color-primary-hover: #7fa3d4;
  --color-primary-active: #a2beeb;
  --color-primary-highlight: #1e2f4a;

  --color-accent: #f2b538;
  --color-accent-hover: #f8c759;
  --color-accent-active: #fbd784;
  --color-accent-highlight: #3a2e14;

  --color-success: #5a9a5c;
  --color-error: #d96464;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 6px 18px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0a1220;
    --color-surface: #101a2c;
    --color-surface-2: #142137;
    --color-surface-offset: #1a2943;
    --color-surface-offset-2: #213255;
    --color-surface-dynamic: #2a3d64;
    --color-divider: #1f2c45;
    --color-border: #2c3a56;
    --color-text: #e8ecf3;
    --color-text-muted: #95a0b4;
    --color-text-faint: #5d6880;
    --color-text-inverse: #0a1220;
    --color-primary: #5a87c0;
    --color-primary-hover: #7fa3d4;
    --color-primary-active: #a2beeb;
    --color-primary-highlight: #1e2f4a;
    --color-accent: #f2b538;
    --color-accent-hover: #f8c759;
    --color-accent-active: #fbd784;
    --color-accent-highlight: #3a2e14;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 6px 18px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.5);
  }
}

/* =========================================================
   Base reset
   ========================================================= */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

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);
  overflow-x: hidden;
}

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

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  text-wrap: balance;
  line-height: 1.1;
  font-weight: 500;
  letter-spacing: -0.015em;
}

p,
li {
  text-wrap: pretty;
  max-width: 68ch;
}

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

a:hover {
  color: var(--color-primary);
}

[data-theme='dark'] a:hover {
  color: var(--color-accent);
}

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

::selection {
  background: var(--color-accent);
  color: var(--color-primary);
}

: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;
  }
}

/* =========================================================
   Layout primitives
   ========================================================= */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 4vw, var(--space-10));
}

.container--narrow {
  max-width: var(--content-default);
}

.section {
  padding-block: clamp(var(--space-16), 10vw, var(--space-32));
}

.section--tight {
  padding-block: clamp(var(--space-12), 7vw, var(--space-20));
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.eyebrow::before {
  content: '';
  display: inline-block;
  width: 28px;
  height: 1px;
  background: var(--color-accent);
}

.eyebrow--on-dark {
  color: var(--color-accent);
}

.eyebrow--on-dark::before {
  background: var(--color-accent);
}

/* =========================================================
   Header / Nav
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: saturate(1.2) blur(14px);
  -webkit-backdrop-filter: saturate(1.2) blur(14px);
  border-bottom: 1px solid transparent;
  transition:
    border-color var(--transition-interactive),
    background var(--transition-interactive);
}

.site-header.is-scrolled {
  border-bottom-color: var(--color-divider);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-block: var(--space-4);
}

.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  font-weight: 500;
  text-decoration: none;
}

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

.nav__brand-mark {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
}

.brand-sun-core {
  fill: var(--color-accent);
  transition: fill var(--transition-interactive);
}

.brand-sun-rays line {
  stroke: var(--color-primary);
  stroke-width: 2;
  stroke-linecap: round;
  transition: stroke var(--transition-interactive);
}

[data-theme='dark'] .brand-sun-rays line {
  stroke: #e8ecf3;
}

.nav__brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.nav__brand-name {
  font-family: 'Space Grotesk', var(--font-body);
  font-weight: 600;
  font-size: 1.4rem;
  letter-spacing: -0.025em;
  line-height: 1;
  color: var(--color-text);
  white-space: nowrap;
}

@media (max-width: 520px) {
  .nav__brand-name {
    font-size: 1.2rem;
  }
  .nav__brand-mark {
    width: 32px;
    height: 32px;
  }
}

.nav__brand-sub {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: 5px;
}

.nav__brand-arrow {
  width: 26px;
  height: 13px;
  overflow: visible;
  margin-left: 2px;
  flex-shrink: 0;
}

.brand-arrow-head path {
  stroke: var(--color-accent);
  stroke-width: 2.2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.nav__brand:hover .brand-arrow-head {
  animation: brand-bounce 900ms cubic-bezier(0.34, 1.56, 0.64, 1) infinite;
}

@keyframes brand-bounce {
  0%,
  100% {
    transform: translateX(0);
  }
  50% {
    transform: translateX(-6px);
  }
}

/* Hide brand sub on small screens */
@media (max-width: 520px) {
  .nav__brand-sub {
    display: none;
  }
  .nav__brand-arrow {
    display: none;
  }
}

.nav__links {
  display: none;
  gap: var(--space-6);
  list-style: none;
  align-items: center;
}

@media (min-width: 900px) {
  .nav__links {
    display: flex;
  }
}

.nav__links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 500;
}

.nav__links a:hover {
  color: var(--color-text);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* =========================================================
   Buttons
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.25rem;
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    background var(--transition-interactive),
    color var(--transition-interactive),
    border-color var(--transition-interactive),
    transform var(--transition-interactive),
    box-shadow var(--transition-interactive);
  white-space: nowrap;
  letter-spacing: 0.005em;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn--primary {
  background: var(--color-accent);
  color: #2a1e00;
  border-color: var(--color-accent);
  box-shadow: 0 6px 18px rgba(232, 163, 23, 0.25);
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: #2a1e00;
}

.btn--secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn--secondary:hover {
  border-color: var(--color-text);
  background: var(--color-surface);
  color: var(--color-text);
}

.btn--sm {
  padding: 0.55rem 1rem;
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 600;
}

.btn--on-dark {
  border-color: rgba(255, 255, 255, 0.25);
  color: var(--color-text-inverse);
}

.btn--on-dark:hover {
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-text-inverse);
}

.theme-toggle {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  transition:
    color var(--transition-interactive),
    border-color var(--transition-interactive);
}

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

/* =========================================================
   Hero
   ========================================================= */
.hero {
  position: relative;
  padding-block: clamp(var(--space-16), 10vw, var(--space-24))
    clamp(var(--space-12), 7vw, var(--space-20));
  overflow: hidden;
}

.hero__grid {
  display: grid;
  gap: clamp(var(--space-8), 4vw, var(--space-16));
  grid-template-columns: 1fr;
}

@media (min-width: 1040px) {
  .hero__grid {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
  }
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.35rem 0.85rem 0.35rem 0.4rem;
  background: var(--color-accent-highlight);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-6);
}

[data-theme='dark'] .hero__badge {
  background: var(--color-accent-highlight);
  color: var(--color-accent);
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(232, 163, 23, 0.2);
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.025em;
  margin-bottom: var(--space-6);
}

.hero__title em {
  font-style: italic;
  color: var(--color-primary);
}

[data-theme='dark'] .hero__title em {
  color: var(--color-accent);
}

.hero__lede {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 38ch;
  margin-bottom: var(--space-8);
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-10);
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
}

.hero__meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hero__meta-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-faint);
}

.hero__meta-value {
  font-size: var(--text-base);
  color: var(--color-text);
  font-weight: 500;
}

.hero__visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  box-shadow: var(--shadow-lg);
}

@media (min-width: 1040px) {
  .hero__visual {
    aspect-ratio: 4 / 5;
  }
}

.hero__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__visual-frame {
  position: absolute;
  inset: 0;
  pointer-events: none;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
}

.hero__visual-tag {
  position: absolute;
  bottom: var(--space-5);
  left: var(--space-5);
  right: var(--space-5);
  padding: var(--space-4) var(--space-5);
  background: rgba(10, 18, 32, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: var(--radius-md);
  color: #f7f8fa;
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.hero__visual-tag-number {
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 1;
  color: var(--color-accent);
}

.hero__visual-tag-text {
  font-size: var(--text-sm);
  line-height: 1.4;
  color: #e8ecf3;
}

.hero__visual-tag-text strong {
  color: #fff;
  font-weight: 600;
}

/* Compliance strip — continuous left-to-right marquee */
.compliance-strip {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding-block: var(--space-5);
  overflow: hidden;
  position: relative;
}

.compliance-strip::before,
.compliance-strip::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: clamp(40px, 6vw, 96px);
  z-index: 2;
  pointer-events: none;
}

.compliance-strip::before {
  left: 0;
  background: linear-gradient(to right, var(--color-primary), transparent);
}

.compliance-strip::after {
  right: 0;
  background: linear-gradient(to left, var(--color-primary), transparent);
}

.compliance-strip__viewport {
  width: 100%;
  overflow: hidden;
}

.compliance-strip__track {
  display: flex;
  width: max-content;
  /* Negative animation → moves track from right to left, so items scroll LEFT→RIGHT into the viewport visually. */
  animation: compliance-marquee 38s linear infinite;
}

.compliance-strip:hover .compliance-strip__track {
  animation-play-state: paused;
}

.compliance-strip__group {
  display: flex;
  align-items: center;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  padding-right: clamp(var(--space-8), 5vw, var(--space-16));
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
}

.compliance-strip__item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: rgba(247, 248, 250, 0.85);
  white-space: nowrap;
  flex-shrink: 0;
}

.compliance-strip__item svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

@keyframes compliance-marquee {
  from {
    transform: translateX(0);
  }
  to {
    /* Slide exactly one group-width left so group B sits where group A was. */
    transform: translateX(-50%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .compliance-strip__track {
    animation: none;
    /* Static fallback — wrap content centred */
    flex-wrap: wrap;
    justify-content: center;
  }
  .compliance-strip__group:nth-child(2) {
    display: none;
  }
}

/* =========================================================
   The Law section (editorial two-column)
   ========================================================= */
.law {
  background: var(--color-surface);
  border-block: 1px solid var(--color-divider);
}

.law__grid {
  display: grid;
  gap: clamp(var(--space-10), 6vw, var(--space-16));
  grid-template-columns: 1fr;
}

@media (min-width: 960px) {
  .law__grid {
    grid-template-columns: 0.85fr 1.15fr;
    align-items: start;
  }
}

.law__label {
  position: sticky;
  top: 6rem;
}

.law__label-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  margin-top: var(--space-4);
  margin-bottom: var(--space-5);
  color: var(--color-text);
}

.law__label-kicker {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  display: block;
  margin-bottom: var(--space-2);
}

.law__label-body {
  color: var(--color-text-muted);
  font-size: var(--text-base);
}

.law__content h3 {
  font-size: var(--text-xl);
  font-family: var(--font-display);
  font-weight: 400;
  margin-bottom: var(--space-6);
  letter-spacing: -0.015em;
}

.law__list {
  list-style: none;
  display: grid;
  gap: var(--space-5);
  padding: 0;
}

.law__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-5);
  padding: var(--space-6);
  background: var(--color-surface-2);
  border: 1px solid var(--color-divider);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-md);
}

.law__item-num {
  font-family: var(--font-display);
  font-size: 1.75rem;
  line-height: 1;
  color: var(--color-accent);
}

.law__item-title {
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.law__item-body {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* =========================================================
   Solution — full-bleed editorial
   ========================================================= */
.solution {
  position: relative;
}

.solution__header {
  text-align: center;
  max-width: 780px;
  margin-inline: auto;
  margin-bottom: clamp(var(--space-10), 6vw, var(--space-16));
}

.solution__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  margin-top: var(--space-4);
  letter-spacing: -0.02em;
}

.solution__title em {
  font-style: italic;
  color: var(--color-primary);
}

[data-theme='dark'] .solution__title em {
  color: var(--color-accent);
}

.solution__split {
  display: grid;
  gap: clamp(var(--space-8), 4vw, var(--space-12));
  grid-template-columns: 1fr;
  align-items: center;
}

@media (min-width: 900px) {
  .solution__split {
    grid-template-columns: 1fr 1fr;
  }
  /* Wider text column, narrower image — lets the 4 specs sit on one line */
  .solution__split--text-wide {
    grid-template-columns: 1.35fr 1fr;
  }
  .solution__split--reverse {
    direction: rtl;
  }
  .solution__split--reverse > * {
    direction: ltr;
  }
}

.solution__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  box-shadow: var(--shadow-md);
}

.solution__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.solution__body h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  margin-top: var(--space-4);
  margin-bottom: var(--space-5);
  letter-spacing: -0.015em;
}

.solution__body p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  margin-bottom: var(--space-4);
}

.solution__body p strong {
  color: var(--color-text);
  font-weight: 600;
}

.solution__specs {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
}

/* Force all 4 spec items onto a single row */
.solution__specs--row {
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(var(--space-3), 1.5vw, var(--space-5));
}

.solution__specs--row .spec__value {
  font-size: clamp(1.2rem, 1.5vw, 1.6rem);
}

.solution__specs--row .spec__label {
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
}

/* On narrow viewports drop back to 2x2 so nothing crops */
@media (max-width: 720px) {
  .solution__specs--row {
    grid-template-columns: repeat(2, 1fr);
  }
  .solution__specs--row .spec__value {
    font-size: 1.5rem;
  }
}

.spec {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.spec__value {
  font-family: var(--font-display);
  font-size: 1.75rem;
  line-height: 1;
  color: var(--color-text);
}

.spec__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}

/* =========================================================
   From cars to buildings — dark editorial section
   ========================================================= */
.heritage {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding-block: clamp(var(--space-16), 10vw, var(--space-32));
  position: relative;
  overflow: hidden;
}

.heritage::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      ellipse at 20% 0%,
      rgba(232, 163, 23, 0.08) 0%,
      transparent 50%
    ),
    radial-gradient(
      ellipse at 80% 100%,
      rgba(232, 163, 23, 0.05) 0%,
      transparent 50%
    );
  pointer-events: none;
}

.heritage__inner {
  position: relative;
  display: grid;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  grid-template-columns: 1fr;
  align-items: center;
}

@media (min-width: 960px) {
  .heritage__inner {
    grid-template-columns: 1fr 1fr;
  }
}

.heritage__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  margin-top: var(--space-4);
  margin-bottom: var(--space-6);
  letter-spacing: -0.02em;
  color: #fff;
}

.heritage__title em {
  font-style: italic;
  color: var(--color-accent);
}

.heritage__body {
  color: rgba(232, 236, 243, 0.85);
  font-size: var(--text-base);
  margin-bottom: var(--space-4);
}

.heritage__stats {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  margin-top: var(--space-10);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.stat__value {
  font-family: var(--font-display);
  font-size: 2.75rem;
  line-height: 0.95;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.stat__label {
  font-size: var(--text-sm);
  color: rgba(232, 236, 243, 0.75);
  line-height: 1.4;
}

/* =========================================================
   Sectors grid
   ========================================================= */
.sectors {
  background: var(--color-bg);
}

.sectors__header {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: var(--space-8);
  margin-bottom: clamp(var(--space-8), 4vw, var(--space-12));
  flex-wrap: wrap;
}

.sectors__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  letter-spacing: -0.02em;
  margin-top: var(--space-4);
  max-width: 16ch;
}

.sectors__lede {
  color: var(--color-text-muted);
  max-width: 38ch;
}

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

@media (max-width: 720px) {
  .sectors__lede--right {
    text-align: left;
    margin-left: 0;
  }
}

.sectors__grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
}

@media (min-width: 700px) {
  .sectors__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1040px) {
  .sectors__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.sector-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition:
    transform var(--transition-interactive),
    border-color var(--transition-interactive),
    box-shadow var(--transition-interactive);
}

.sector-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.sector-card__icon {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-accent-highlight);
  color: var(--color-primary);
}

[data-theme='dark'] .sector-card__icon {
  color: var(--color-accent);
}

.sector-card__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  letter-spacing: -0.015em;
}

.sector-card__body {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  flex: 1;
}

.sector-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
  background: var(--color-surface-offset);
  color: var(--color-text-muted);
}

/* =========================================================
   Process (horizontal numbered steps)
   ========================================================= */
.process {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}

.process__header {
  max-width: 780px;
  margin-bottom: clamp(var(--space-10), 6vw, var(--space-16));
}

.process__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  letter-spacing: -0.02em;
  margin-top: var(--space-4);
}

.process__steps {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
  list-style: none;
  padding: 0;
}

@media (min-width: 700px) {
  .process__steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1040px) {
  .process__steps {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
  }
}

.process__step {
  position: relative;
  padding: var(--space-6) var(--space-5);
  background: var(--color-surface-2);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
}

.process__step-num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
  display: block;
}

.process__step-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
  letter-spacing: -0.01em;
}

.process__step-body {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* =========================================================
   Benefits — editorial two-col with pull-quote
   ========================================================= */
.benefits {
  background: var(--color-bg);
}

.benefits__grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
  margin-top: clamp(var(--space-8), 4vw, var(--space-12));
}

@media (min-width: 700px) {
  .benefits__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1040px) {
  .benefits__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.benefit {
  padding: var(--space-8) var(--space-6);
  border-top: 2px solid var(--color-accent);
  background: var(--color-surface);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.benefit__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
  letter-spacing: -0.01em;
}

.benefit__body {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* =========================================================
   FAQ
   ========================================================= */
.faq {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
}

.faq__grid {
  display: grid;
  gap: clamp(var(--space-8), 4vw, var(--space-12));
  grid-template-columns: 1fr;
}

@media (min-width: 900px) {
  .faq__grid {
    grid-template-columns: 0.9fr 1.1fr;
  }
}

.faq__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  letter-spacing: -0.02em;
  margin-top: var(--space-4);
}

.faq__list {
  display: grid;
  gap: 0;
}

.faq__item {
  border-top: 1px solid var(--color-divider);
}

.faq__item:last-child {
  border-bottom: 1px solid var(--color-divider);
}

.faq__q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: var(--space-5) 0;
  text-align: left;
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text);
  gap: var(--space-4);
}

.faq__q:hover {
  color: var(--color-primary);
}

[data-theme='dark'] .faq__q:hover {
  color: var(--color-accent);
}

.faq__q-icon {
  flex-shrink: 0;
  transition: transform 200ms ease;
}

.faq__item[open] .faq__q-icon {
  transform: rotate(45deg);
}

.faq__a {
  padding-bottom: var(--space-5);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.7;
  max-width: 64ch;
}

.faq__item summary {
  list-style: none;
  cursor: pointer;
}

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

/* =========================================================
   Contact / CTA
   ========================================================= */
.contact {
  background: var(--color-bg);
}

.contact__card {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-8), 6vw, var(--space-16));
  display: grid;
  gap: clamp(var(--space-8), 4vw, var(--space-12));
  grid-template-columns: 1fr;
  position: relative;
  overflow: hidden;
}

.contact__card::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      ellipse at 100% 0%,
      rgba(232, 163, 23, 0.12) 0%,
      transparent 55%
    );
  pointer-events: none;
}

@media (min-width: 900px) {
  .contact__card {
    grid-template-columns: 0.95fr 1.05fr;
  }
}

.contact__left {
  position: relative;
}

.contact__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  margin-top: var(--space-4);
  margin-bottom: var(--space-5);
  color: #fff;
  letter-spacing: -0.02em;
}

.contact__title em {
  font-style: italic;
  color: var(--color-accent);
}

.contact__lede {
  color: rgba(232, 236, 243, 0.85);
  margin-bottom: var(--space-8);
}

.contact__direct {
  display: grid;
  gap: var(--space-5);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.contact__direct-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.contact__direct-icon {
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.contact__direct-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(232, 236, 243, 0.65);
  display: block;
  margin-bottom: 2px;
}

.contact__direct-value {
  color: #fff;
  font-size: var(--text-base);
  font-weight: 500;
}

.contact__direct-value a {
  color: inherit;
}

.contact__direct-value a:hover {
  color: var(--color-accent);
}

.contact__form {
  position: relative;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-6), 3vw, var(--space-8));
}

.contact__form-grid {
  display: grid;
  gap: var(--space-4);
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.field__row {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}

@media (min-width: 520px) {
  .field__row {
    grid-template-columns: 1fr 1fr;
  }
}

.field label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(232, 236, 243, 0.75);
}

.field input,
.field select,
.field textarea {
  padding: 0.8rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  color: #fff;
  font-size: var(--text-base);
  font-family: inherit;
  transition:
    border-color var(--transition-interactive),
    background var(--transition-interactive);
}

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

.field input::placeholder,
.field textarea::placeholder {
  color: rgba(232, 236, 243, 0.45);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  background: rgba(255, 255, 255, 0.08);
}

.field select option {
  background: var(--color-primary);
  color: #fff;
}

.form__submit {
  margin-top: var(--space-2);
  padding: 0.95rem 1.5rem;
  font-size: var(--text-base);
}

.form__success {
  display: none;
  padding: var(--space-4);
  background: rgba(45, 106, 47, 0.25);
  border: 1px solid rgba(90, 154, 92, 0.5);
  border-radius: var(--radius-md);
  color: #d4ecd5;
  font-size: var(--text-sm);
  margin-top: var(--space-3);
}

.form__success.is-visible {
  display: block;
}

/* =========================================================
   Footer
   ========================================================= */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-12) var(--space-8);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.site-footer__grid {
  display: grid;
  gap: var(--space-10);
  grid-template-columns: 1fr;
  margin-bottom: var(--space-10);
}

@media (min-width: 700px) {
  .site-footer__grid {
    grid-template-columns: 1.2fr 1fr 1fr;
  }
}

.site-footer__title {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.site-footer ul {
  list-style: none;
  display: grid;
  gap: var(--space-2);
}

.site-footer a {
  color: var(--color-text-muted);
}

.site-footer a:hover {
  color: var(--color-text);
}

.site-footer__bar {
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
  display: flex;
  justify-content: space-between;
  gap: var(--space-6);
  flex-wrap: wrap;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* =========================================================
   Reveal animation
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 700ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
}

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