/* ==========================================================================
   Base tokens
   ========================================================================== */

:root {
  --navy-900: #0b1626;
  --navy-800: #0e1a2b;
  --navy-700: #16273e;
  --navy-600: #21374f;

  --gold-500: #c9a227;
  --gold-400: #dcb63f;
  --gold-300: #e8cd77;

  --ink: #16202c;
  --ink-soft: #4a5a6b;
  --paper: #ffffff;
  --paper-soft: #f5f7fa;
  --line: #e2e8f0;

  --bg: var(--paper);
  --bg-soft: var(--paper-soft);
  --fg: var(--ink);
  --fg-soft: var(--ink-soft);
  --border: var(--line);
  --card: #ffffff;
  --shadow: 0 1px 2px rgb(16 32 48 / 6%), 0 8px 24px rgb(16 32 48 / 8%);

  --wrap: 1160px;
  --gutter: clamp(1rem, 4vw, 2.5rem);
  --radius: 10px;
  --radius-lg: 16px;

  --font: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-display: "Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;

  --step-sm: 0.875rem;
  --step-0: 1rem;
  --step-1: clamp(1.15rem, 0.9rem + 0.6vw, 1.4rem);
  --step-2: clamp(1.5rem, 1.1rem + 1.4vw, 2.1rem);
  --step-3: clamp(2rem, 1.3rem + 2.8vw, 3.25rem);
  --step-4: clamp(2.5rem, 1.4rem + 4.4vw, 4.25rem);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: var(--navy-900);
    --bg-soft: var(--navy-800);
    --fg: #e8eef5;
    --fg-soft: #9fb0c2;
    --border: #24374d;
    --card: var(--navy-800);
    --shadow: 0 1px 2px rgb(0 0 0 / 40%), 0 8px 28px rgb(0 0 0 / 35%);
  }
}

:root[data-theme="dark"] {
  --bg: var(--navy-900);
  --bg-soft: var(--navy-800);
  --fg: #e8eef5;
  --fg-soft: #9fb0c2;
  --border: #24374d;
  --card: var(--navy-800);
  --shadow: 0 1px 2px rgb(0 0 0 / 40%), 0 8px 28px rgb(0 0 0 / 35%);
}

:root[data-theme="light"] {
  --bg: var(--paper);
  --bg-soft: var(--paper-soft);
  --fg: var(--ink);
  --fg-soft: var(--ink-soft);
  --border: var(--line);
  --card: #ffffff;
  --shadow: 0 1px 2px rgb(16 32 48 / 6%), 0 8px 24px rgb(16 32 48 / 8%);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: var(--step-0);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 0 0 0.5em;
  font-weight: 700;
}

h1 { font-size: var(--step-4); }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-2); }

p { margin: 0 0 1em; }

:focus-visible {
  outline: 2px solid var(--gold-500);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ==========================================================================
   Layout helpers
   ========================================================================== */

.wrap {
  width: min(var(--wrap), 100%);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: clamp(3.5rem, 8vw, 7rem);
}

.section--soft {
  background: var(--bg-soft);
}

.section__head {
  max-width: 62ch;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: var(--step-sm);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold-500);
  margin-bottom: 1rem;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--gold-500);
}

.lede {
  font-size: var(--step-1);
  color: var(--fg-soft);
  max-width: 60ch;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--gold-500);
  color: var(--navy-900);
  padding: 0.75rem 1.25rem;
  font-weight: 600;
  z-index: 200;
}

.skip-link:focus {
  left: 0;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.8rem 1.6rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-weight: 600;
  font-size: var(--step-0);
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.15s ease, background-color 0.2s ease,
    border-color 0.2s ease, color 0.2s ease;
}

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

.btn--primary {
  background: var(--gold-500);
  color: var(--navy-900);
}

.btn--primary:hover {
  background: var(--gold-400);
}

.btn--ghost {
  border-color: color-mix(in srgb, currentColor 35%, transparent);
  color: inherit;
}

.btn--ghost:hover {
  border-color: var(--gold-500);
  color: var(--gold-500);
}

/* ==========================================================================
   Header / navigation
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  margin-right: auto;
}

.brand__mark {
  width: 34px;
  height: auto;
  flex: none;
}

/* The mark is monochrome black artwork. On dark ground it is inverted to
   white — same mark, no recolouring. The footer is always dark navy; the
   header only goes dark when the dark theme is active. */

.site-footer .brand__mark {
  filter: invert(1);
}

@media (prefers-color-scheme: dark) {
  .site-header .brand__mark {
    filter: invert(1);
  }
}

:root[data-theme="dark"] .site-header .brand__mark {
  filter: invert(1);
}

:root[data-theme="light"] .site-header .brand__mark {
  filter: none;
}

.brand__sub {
  display: block;
  font-family: var(--font);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-soft);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__link {
  display: block;
  padding: 0.55rem 0.9rem;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 500;
  color: var(--fg-soft);
  transition: color 0.18s ease, background-color 0.18s ease;
}

.nav__link:hover {
  color: var(--fg);
  background: var(--bg-soft);
}

.nav__link[aria-current="page"] {
  color: var(--fg);
  font-weight: 600;
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.icon-btn {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: transparent;
  color: inherit;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.icon-btn:hover {
  border-color: var(--gold-500);
  color: var(--gold-500);
}

.nav__toggle {
  display: none;
}

@media (max-width: 880px) {
  .nav__toggle {
    display: grid;
  }

  .nav__list {
    position: fixed;
    inset: 72px 0 auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.75rem var(--gutter) 1.5rem;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  }

  .nav__list[data-open="true"] {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav__link {
    padding: 0.9rem 0.5rem;
    border-bottom: 1px solid var(--border);
    border-radius: 0;
  }

  .nav__cta {
    display: none;
  }
}

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

.hero {
  position: relative;
  overflow: hidden;
  background: var(--navy-800);
  color: #eef3f9;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 80% at 78% 20%, rgb(201 162 39 / 22%), transparent 65%),
    radial-gradient(50% 60% at 8% 90%, rgb(33 55 79 / 90%), transparent 70%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  padding-block: clamp(4rem, 10vw, 8rem);
}

.hero__title {
  margin-bottom: 0.6em;
}

.hero__title em {
  font-style: normal;
  color: var(--gold-400);
}

.hero__text {
  font-size: var(--step-1);
  color: #b9c8d8;
  max-width: 48ch;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.hero__media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 24px 60px rgb(0 0 0 / 45%);
  border: 1px solid rgb(255 255 255 / 10%);
}

@media (max-width: 880px) {
  .hero__inner {
    grid-template-columns: 1fr;
  }

  .hero__media {
    order: -1;
  }
}

/* ==========================================================================
   Stats strip
   ========================================================================== */

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px;
  background: var(--border);
  border-block: 1px solid var(--border);
}

.stat {
  background: var(--bg);
  padding: clamp(1.75rem, 4vw, 2.75rem) 1.5rem;
  text-align: center;
}

.stat__num {
  font-family: var(--font-display);
  font-size: var(--step-3);
  font-weight: 700;
  color: var(--gold-500);
  line-height: 1;
}

.stat__label {
  display: block;
  margin-top: 0.5rem;
  font-size: var(--step-sm);
  color: var(--fg-soft);
  letter-spacing: 0.04em;
}

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

.grid {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
}

.grid--3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid--2 {
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2rem);
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--gold-500) 45%, var(--border));
}

.card__icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--gold-500) 15%, transparent);
  color: var(--gold-500);
  margin-bottom: 1.25rem;
}

.card h3 {
  font-size: var(--step-1);
}

.card p:last-child {
  margin-bottom: 0;
  color: var(--fg-soft);
}

.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.split__media img {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

/* Full-width illustration band (e.g. the actuation-types diagram) */

.band {
  margin: 0 0 clamp(2rem, 4vw, 3rem);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.band img {
  width: 100%;
}

.tick-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.tick-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: var(--fg-soft);
}

.tick-list li::before {
  content: "";
  flex: none;
  width: 20px;
  height: 20px;
  margin-top: 0.22em;
  border-radius: 50%;
  background: color-mix(in srgb, var(--gold-500) 18%, transparent);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='none' stroke='%23c9a227' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5.5 10.5 3 3 6-7'/%3E%3C/svg%3E");
}

/* ==========================================================================
   Gallery
   ========================================================================== */

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2.5rem;
}

.chip {
  padding: 0.5rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: transparent;
  color: var(--fg-soft);
  font: inherit;
  font-size: var(--step-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.18s ease;
}

.chip:hover {
  border-color: var(--gold-500);
  color: var(--fg);
}

.chip[aria-pressed="true"] {
  background: var(--gold-500);
  border-color: var(--gold-500);
  color: var(--navy-900);
  font-weight: 600;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr));
  gap: 1.25rem;
}

.tile {
  position: relative;
  margin: 0;
  border: 0;
  padding: 0;
  background: var(--card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: zoom-in;
  aspect-ratio: 4 / 3;
  box-shadow: var(--shadow);
}

.tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.2, 0.7, 0.3, 1);
}

.tile:hover img,
.tile:focus-visible img {
  transform: scale(1.06);
}

.tile figcaption,
.tile__cap {
  position: absolute;
  inset: auto 0 0;
  padding: 2.5rem 1.1rem 1rem;
  text-align: left;
  background: linear-gradient(to top, rgb(11 22 38 / 92%), transparent);
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
}

.tile figcaption span,
.tile__cap span {
  display: block;
  font-weight: 500;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold-300);
  margin-bottom: 0.15rem;
}

.tile[hidden] {
  display: none;
}

.gallery__empty {
  color: var(--fg-soft);
  padding: 2rem 0;
}

/* Lightbox */

.lightbox {
  border: 0;
  padding: 0;
  background: transparent;
  max-width: min(1000px, 92vw);
  max-height: 92vh;
  overflow: visible;
  color: #fff;
}

.lightbox::backdrop {
  background: rgb(6 12 20 / 88%);
  backdrop-filter: blur(4px);
}

.lightbox__img {
  width: 100%;
  max-height: 78vh;
  object-fit: contain;
  border-radius: var(--radius);
}

.lightbox__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 0.85rem;
  font-size: var(--step-sm);
}

.lightbox__nav {
  display: flex;
  gap: 0.5rem;
}

.lightbox .icon-btn {
  border-color: rgb(255 255 255 / 30%);
  color: #fff;
  background: rgb(255 255 255 / 8%);
}

/* ==========================================================================
   Person card (CEO message)
   ========================================================================== */

.person {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2rem);
  box-shadow: var(--shadow);
  text-align: center;
  position: sticky;
  top: 96px;
}

.person__photo {
  width: 100%;
  max-width: 260px;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 50%;
  margin: 0 auto 1.25rem;
  border: 3px solid color-mix(in srgb, var(--gold-500) 55%, transparent);
}

.person__name {
  font-family: var(--font-display);
  font-size: var(--step-1);
  font-weight: 700;
  margin: 0 0 0.15rem;
}

.person__role {
  font-size: var(--step-sm);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold-500);
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.person__lines {
  display: grid;
  gap: 0.6rem;
  text-align: left;
  border-top: 1px solid var(--border);
  padding-top: 1.25rem;
  font-size: 0.95rem;
}

.person__lines a {
  color: inherit;
  text-decoration-color: color-mix(in srgb, currentColor 40%, transparent);
  text-underline-offset: 3px;
  word-break: break-word;
}

.person__lines a:hover {
  color: var(--gold-500);
}

.person__lines .flag {
  font-size: var(--step-sm);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-soft);
  font-weight: 600;
}

.signature {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.signature strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--step-1);
}

.signature span {
  font-size: var(--step-sm);
  color: var(--fg-soft);
}

@media (max-width: 880px) {
  .person {
    position: static;
  }
}

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

.form {
  display: grid;
  gap: 1.1rem;
}

.field {
  display: grid;
  gap: 0.4rem;
}

.field label {
  font-size: var(--step-sm);
  font-weight: 600;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--fg);
  font: inherit;
  transition: border-color 0.18s ease;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--gold-500);
}

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

.field--row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.1rem;
}

@media (max-width: 560px) {
  .field--row {
    grid-template-columns: 1fr;
  }
}

.form__note {
  font-size: var(--step-sm);
  color: var(--fg-soft);
}

.form__status {
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--gold-500) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--gold-500) 40%, transparent);
  font-size: var(--step-sm);
}

.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.5rem;
}

.contact-list dt {
  font-size: var(--step-sm);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold-500);
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.contact-list dd {
  margin: 0 0 1.4rem;
  color: var(--fg-soft);
}

.contact-list a {
  color: inherit;
  text-decoration-color: color-mix(in srgb, currentColor 40%, transparent);
  text-underline-offset: 3px;
}

.contact-list a:hover {
  color: var(--gold-500);
}

/* ==========================================================================
   CTA band + footer
   ========================================================================== */

.cta-band {
  background: var(--navy-800);
  color: #eef3f9;
  text-align: center;
}

.cta-band .lede {
  color: #b9c8d8;
  margin-inline: auto;
}

.cta-band .hero__actions {
  justify-content: center;
}

.site-footer {
  background: var(--navy-900);
  color: #9fb0c2;
  padding-block: clamp(3rem, 6vw, 4.5rem) 2rem;
  font-size: 0.95rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
}

@media (max-width: 780px) {
  .footer__grid {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  }
}

.site-footer h4 {
  color: #fff;
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.site-footer a {
  text-decoration: none;
  transition: color 0.18s ease;
}

.site-footer a:hover {
  color: var(--gold-400);
}

.site-footer .brand {
  color: #fff;
  margin-bottom: 1rem;
}

.footer__bottom {
  margin-top: clamp(2.5rem, 5vw, 3.5rem);
  padding-top: 1.5rem;
  border-top: 1px solid rgb(255 255 255 / 10%);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  font-size: 0.85rem;
  color: #7d8fa3;
}

/* ==========================================================================
   Motion
   ========================================================================== */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.2, 0.7, 0.3, 1);
}

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

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

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