/* ============================================
   OM WATER SERVICES — DESIGN SYSTEM
   Signature: technical documentation / instrument
   reading aesthetic — spec sheets, fig captions,
   registration marks. Grounded in the real
   language of filtration, not generic luxury.
   ============================================ */

:root {
  /* Color */
  --paper: #F4F7F6;
  --panel: #FFFFFF;
  --mist: #EAF1EF;
  --ink: #10233B;
  --ink-soft: #1C3350;
  --slate: #56697A;
  --teal: #0E7C74;
  --teal-deep: #0A5850;
  --amber: #C97A2E;
  --line: rgba(16, 35, 59, 0.12);
  --line-onDark: rgba(244, 247, 246, 0.16);

  /* Type */
  --display: 'Space Grotesk', -apple-system, sans-serif;
  --body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;

  /* Space scale */
  --s-1: 0.25rem;
  --s-2: 0.5rem;
  --s-3: 1rem;
  --s-4: 1.5rem;
  --s-5: 2rem;
  --s-6: 3rem;
  --s-7: 4rem;
  --s-8: 6rem;
  --s-9: 9rem;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
  border-radius: 2px;
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.025em;
  text-wrap: balance;
}
p { text-wrap: pretty; max-width: 68ch; }
strong { font-weight: 600; }
em { font-style: normal; color: var(--teal); }

.mono {
  font-family: var(--mono);
  letter-spacing: 0.01em;
}
.eyebrow {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--teal-deep);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
}
.eyebrow::before {
  content: '';
  width: 14px; height: 1px;
  background: var(--teal-deep);
  display: inline-block;
}
.eyebrow--light { color: #9FD4CD; }
.eyebrow--light::before { background: #9FD4CD; }

/* ============================================
   LAYOUT
   ============================================ */
.container {
  width: 100%;
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 var(--s-5);
}
.container-narrow { max-width: 920px; }
.section { padding: var(--s-9) 0; }
.section-dark { background: var(--ink); color: var(--paper); }
.section-mist { background: var(--mist); }

/* ============================================
   NAV
   ============================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  padding: var(--s-4) 0;
  transition: all 0.4s var(--ease);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; }
.nav__brand { display: flex; align-items: center; gap: var(--s-3); }
.logo-slot {
  height: 42px;
  width: auto;
  display: block;
  object-fit: contain;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text__main {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.brand-text__sub {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--slate);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  margin-top: 3px;
}
.nav.scrolled {
  background: rgba(244, 247, 246, 0.88);
  backdrop-filter: saturate(160%) blur(16px);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
  padding: var(--s-3) 0;
  border-bottom: 1px solid var(--line);
}
.nav-links { display: flex; align-items: center; gap: var(--s-6); list-style: none; }
.nav-links a {
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink);
  transition: color 0.2s;
  position: relative;
}
.nav-links a:hover, .nav-links a.active { color: var(--teal); }
.nav-links a.active::after {
  content: ''; position: absolute; bottom: -8px; left: 0; right: 0;
  height: 2px; background: var(--teal);
}
.nav-cta {
  display: flex; align-items: center; gap: var(--s-2);
  padding: 0.65rem 1.3rem;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: all 0.3s var(--ease);
}
.nav-cta:hover { background: var(--teal); }
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  flex-direction: column; gap: 5px;
}
.nav-toggle span {
  display: block; width: 22px; height: 1.5px; background: var(--ink);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex; align-items: center; gap: var(--s-2);
  padding: 0.95rem 1.9rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: all 0.3s var(--ease);
  border: 1.5px solid transparent;
  cursor: pointer;
}
.btn--primary { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn--primary:hover { background: var(--teal); border-color: var(--teal); transform: translateY(-2px); }
.btn--ghost { border-color: currentColor; background: transparent; }
.btn--ghost:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn--ghost-light { border-color: var(--line-onDark); color: var(--paper); background: transparent; }
.btn--ghost-light:hover { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.btn--light { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.btn--light:hover { background: var(--teal); color: var(--paper); border-color: var(--teal); }
.btn__arrow { transition: transform 0.3s var(--ease); }
.btn:hover .btn__arrow { transform: translateX(4px); }

/* ============================================
   HERO — spec-plate signature
   ============================================ */
.hero {
  position: relative;
  padding-top: var(--s-9);
  padding-bottom: var(--s-8);
  background: var(--paper);
  overflow: hidden;
}
.hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(16,35,59,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16,35,59,0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(180deg, black, transparent 85%);
  pointer-events: none;
}
.hero__inner {
  position: relative; z-index: 2;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: var(--s-8);
  align-items: center;
}
.hero__headline {
  font-size: clamp(2.6rem, 5.6vw, 4.6rem);
  line-height: 1.02;
  margin-bottom: var(--s-5);
  color: var(--ink);
}
.hero__sub {
  font-size: 1.1rem;
  color: var(--slate);
  max-width: 480px;
  margin-bottom: var(--s-6);
  line-height: 1.6;
}
.hero__cta-row { display: flex; flex-wrap: wrap; gap: var(--s-3); margin-bottom: var(--s-6); }

/* Spec plate — the signature device */
.plate {
  border: 1.5px solid var(--ink);
  padding: var(--s-4) var(--s-4);
  position: relative;
  background: var(--panel);
}
.plate::before, .plate::after,
.plate__corner-tl, .plate__corner-br { display: none; }
.plate-corner {
  position: absolute;
  width: 10px; height: 10px;
  pointer-events: none;
}
.plate-corner--tl { top: -1.5px; left: -1.5px; border-top: 1.5px solid var(--teal); border-left: 1.5px solid var(--teal); }
.plate-corner--tr { top: -1.5px; right: -1.5px; border-top: 1.5px solid var(--teal); border-right: 1.5px solid var(--teal); }
.plate-corner--bl { bottom: -1.5px; left: -1.5px; border-bottom: 1.5px solid var(--teal); border-left: 1.5px solid var(--teal); }
.plate-corner--br { bottom: -1.5px; right: -1.5px; border-bottom: 1.5px solid var(--teal); border-right: 1.5px solid var(--teal); }

.plate__label {
  font-family: var(--mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--slate);
  margin-bottom: var(--s-3);
  display: block;
}
.plate__sequence { list-style: none; }
.plate__sequence li {
  display: flex; align-items: baseline; gap: var(--s-3);
  padding: 0.55rem 0;
  border-bottom: 1px dashed var(--line);
  font-family: var(--mono);
  font-size: 0.85rem;
}
.plate__sequence li:last-child { border-bottom: none; }
.plate__sequence .plate__num { color: var(--teal); font-weight: 600; width: 20px; flex-shrink: 0; }
.plate__sequence .plate__name { color: var(--ink); }

.hero__visual { position: relative; }
.hero__frame {
  border: 1.5px solid var(--ink);
  aspect-ratio: 4/5;
  overflow: hidden;
  position: relative;
}
.hero__frame img { width: 100%; height: 100%; object-fit: cover; }

/* Fig caption — recurring documentation device */
.fig {
  position: relative;
}
.fig__cap {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: rgba(16, 35, 59, 0.88);
  backdrop-filter: blur(4px);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  padding: 0.6rem 0.9rem;
  display: flex; justify-content: space-between;
  text-transform: uppercase;
}
.fig__cap span:last-child { color: #9FD4CD; }

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-head { max-width: 700px; margin-bottom: var(--s-8); }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head .eyebrow { margin-bottom: var(--s-4); }
.section-head h2 { font-size: clamp(2rem, 4vw, 3.2rem); margin-bottom: var(--s-4); color: var(--ink); }
.section-head p { font-size: 1.02rem; color: var(--slate); line-height: 1.65; max-width: 560px; }
.section-head--center p { margin: 0 auto; }
.section-dark .section-head h2 { color: var(--paper); }
.section-dark .section-head p { color: rgba(244,247,246,0.7); }

/* ============================================
   STAGES — real sequential process (numbering earned)
   ============================================ */
.stages { position: relative; }
.stage {
  display: grid;
  grid-template-columns: 90px 1fr 1fr;
  gap: var(--s-7);
  padding: var(--s-6) 0;
  border-top: 1px solid var(--line);
  align-items: start;
}
.stages > .stage:last-child { border-bottom: 1px solid var(--line); }
.stage__num {
  font-family: var(--mono);
  font-size: 1.8rem;
  font-weight: 500;
  color: var(--teal);
  line-height: 1;
}
.stage__body h3 { font-size: 1.5rem; margin-bottom: var(--s-3); color: var(--ink); font-weight: 500; }
.stage__body p { color: var(--slate); font-size: 0.98rem; line-height: 1.7; }
.stage__list { list-style: none; font-family: var(--mono); font-size: 0.82rem; }
.stage__list li {
  padding: 0.5rem 0;
  border-bottom: 1px dashed var(--line);
  display: flex; justify-content: space-between; align-items: center;
  color: var(--slate);
}
.stage__list li:last-child { border-bottom: 0; }
.stage__list li span:last-child { color: var(--teal-deep); font-weight: 500; }

/* ============================================
   BRANDS STRIP
   ============================================ */
.brands { padding: var(--s-6) 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.brands__inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--s-4); }
.brands__label {
  font-family: var(--mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--slate);
  padding-right: var(--s-5);
  border-right: 1px solid var(--line);
}
.brands__list { display: flex; gap: var(--s-6); flex-wrap: wrap; align-items: center; flex: 1; justify-content: space-around; }
.brands__list span {
  font-family: var(--display);
  font-weight: 500;
  font-size: 1.15rem;
  color: var(--ink);
  opacity: 0.55;
  transition: opacity 0.3s;
}
.brands__list span:hover { opacity: 1; color: var(--teal); }

/* ============================================
   FEATURE — editorial product spec sheet
   ============================================ */
.features { display: flex; flex-direction: column; }
.feature {
  display: grid;
  grid-template-columns: 5fr 4fr;
  gap: var(--s-8);
  align-items: center;
  padding: var(--s-7) 0;
  border-top: 1px solid var(--line);
}
.feature:last-child { border-bottom: 1px solid var(--line); }
.feature--flip { grid-template-columns: 4fr 5fr; }
.feature--flip > .feature__visual { order: 2; }
.feature__visual { aspect-ratio: 4/5; overflow: hidden; position: relative; border: 1px solid var(--line); }
.feature__visual img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.1s var(--ease); }
.feature:hover .feature__visual img { transform: scale(1.03); }
.feature__body { padding-left: var(--s-3); }
.feature__eyebrow {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--teal-deep);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: var(--s-3);
  display: block;
}
.feature__body h3 { font-size: clamp(1.6rem, 2.8vw, 2.2rem); color: var(--ink); margin-bottom: var(--s-3); font-weight: 500; }
.feature__body p { color: var(--slate); font-size: 1rem; line-height: 1.7; margin-bottom: var(--s-4); }

/* Dotted-leader spec rows */
.spec-rows { border-top: 1px solid var(--line); padding-top: var(--s-3); }
.spec-row {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: var(--s-3);
  padding: 0.5rem 0;
  font-family: var(--mono);
  font-size: 0.82rem;
}
.spec-row__label {
  color: var(--slate);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.7rem;
  white-space: nowrap;
}
.spec-row__value { color: var(--ink); text-align: right; }
.spec-row__leader {
  flex: 1;
  border-bottom: 1px dotted var(--line);
  margin-bottom: 4px;
  min-width: 20px;
}

/* ============================================
   BROWSE GRID — compact secondary items
   ============================================ */
.grid--auto { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: var(--s-4); }
.tile {
  background: var(--panel);
  border: 1px solid var(--line);
  transition: all 0.3s var(--ease);
}
.tile:hover { border-color: var(--teal); transform: translateY(-3px); }
.tile__img { aspect-ratio: 4/5; overflow: hidden; position: relative; }
.tile__img img { width: 100%; height: 100%; object-fit: cover; }
.tile__body { padding: var(--s-4); }
.tile__body h4 { font-family: var(--display); font-size: 1.15rem; color: var(--ink); margin-bottom: var(--s-2); font-weight: 500; }
.tile__body p { color: var(--slate); font-size: 0.88rem; }

/* ============================================
   SPLIT SECTION
   ============================================ */
.split { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: var(--s-8); }
.split--reverse { direction: rtl; }
.split--reverse > * { direction: ltr; }
.split__visual { aspect-ratio: 4/5; overflow: hidden; position: relative; border: 1px solid var(--line); }
.split__visual img { width: 100%; height: 100%; object-fit: cover; }
.split__text h2 { font-size: clamp(1.9rem, 3.6vw, 2.8rem); margin-bottom: var(--s-4); color: var(--ink); }
.split__text p { color: var(--slate); font-size: 1.02rem; line-height: 1.7; margin-bottom: var(--s-4); }
.section-dark .split__text h2 { color: var(--paper); }
.section-dark .split__text p { color: rgba(244,247,246,0.72); }

/* ============================================
   CAPACITY / SCOPE ROWS (commercial, AMC)
   ============================================ */
.rowlist { border-top: 1px solid var(--line); margin-top: var(--s-6); }
.rowlist-row {
  display: grid;
  grid-template-columns: 130px 1fr 1.6fr auto;
  gap: var(--s-5);
  padding: var(--s-5) 0;
  border-bottom: 1px solid var(--line);
  align-items: center;
}
.rowlist-row__tag {
  font-family: var(--mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--teal-deep);
}
.rowlist-row__figure {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.8rem;
  color: var(--ink);
  line-height: 1;
}
.rowlist-row__figure small {
  font-family: var(--mono);
  font-weight: 400;
  font-size: 0.68rem;
  color: var(--slate);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-left: 6px;
}
.rowlist-row__desc { color: var(--slate); font-size: 0.95rem; }
.rowlist-row__cta {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--teal);
  white-space: nowrap;
  transition: color 0.2s;
}
.rowlist-row__cta:hover { color: var(--teal-deep); }
.rowlist-row__name { font-family: var(--display); font-weight: 500; font-size: 1.2rem; color: var(--ink); }

/* Industries grid */
.industries { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); margin-top: var(--s-6); border: 1px solid var(--line); }
.industry { padding: var(--s-5) var(--s-4); background: var(--panel); text-align: center; transition: all 0.3s; }
.industry:hover { background: var(--ink); }
.industry:hover .industry__label { color: var(--paper); }
.industry__label { font-family: var(--mono); font-size: 0.8rem; color: var(--ink); letter-spacing: 0.02em; transition: color 0.3s; }

/* ============================================
   FAQ
   ============================================ */
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); padding: var(--s-4) 0; cursor: pointer; }
.faq summary {
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--display); font-weight: 500;
  font-size: 1.2rem; color: var(--ink);
  list-style: none; padding: 0.4rem 0;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: '+'; font-family: var(--mono); font-size: 1.4rem; color: var(--teal);
  line-height: 1; transition: transform 0.3s var(--ease); flex-shrink: 0; margin-left: var(--s-3);
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding-top: var(--s-3); color: var(--slate); font-size: 0.98rem; line-height: 1.7; max-width: 65ch; }

/* ============================================
   CONTACT
   ============================================ */
.contact-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: var(--s-7); align-items: start; }
.contact-info { padding: var(--s-6); background: var(--ink); color: var(--paper); }
.contact-info h3 { font-size: 1.9rem; margin-bottom: var(--s-3); color: var(--paper); }
.contact-info > p { color: rgba(244,247,246,0.72); margin-bottom: var(--s-6); font-size: 0.98rem; }
.contact-block { padding: var(--s-4) 0; border-top: 1px solid var(--line-onDark); }
.contact-block:last-of-type { border-bottom: 1px solid var(--line-onDark); }
.contact-block .eyebrow { margin-bottom: var(--s-2); }
.contact-block a, .contact-block address {
  font-family: var(--display); font-weight: 500;
  font-size: 1.15rem; font-style: normal; color: var(--paper);
  transition: color 0.2s; display: block;
}
.contact-block a:hover { color: #9FD4CD; }

.form { background: var(--panel); padding: var(--s-6); border: 1px solid var(--line); }
.form h3 { font-size: 1.7rem; margin-bottom: var(--s-2); color: var(--ink); }
.form > p { color: var(--slate); margin-bottom: var(--s-5); font-size: 0.95rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-3); margin-bottom: var(--s-3); }
.field { margin-bottom: var(--s-3); }
.field label {
  display: block; font-family: var(--mono); font-size: 0.68rem;
  text-transform: uppercase; letter-spacing: 0.1em; color: var(--slate); margin-bottom: var(--s-2);
}
.field input, .field select, .field textarea {
  width: 100%; padding: 0.85rem 1rem; border: 1px solid var(--line);
  background: var(--paper); font-family: var(--body); font-size: 0.95rem;
  color: var(--ink); border-radius: 0; transition: all 0.2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--teal); background: var(--panel);
}
.field textarea { resize: vertical; min-height: 110px; }

.map-embed { width: 100%; aspect-ratio: 16/10; border: 1px solid var(--line); filter: grayscale(0.3) contrast(1.05); transition: filter 0.4s; }
.map-embed:hover { filter: grayscale(0); }

/* ============================================
   WHATSAPP FLOAT
   ============================================ */
.wa-float {
  position: fixed; bottom: 24px; right: 24px;
  width: 58px; height: 58px;
  background: #25D366; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: white; z-index: 90;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.35);
  transition: all 0.3s var(--ease);
  animation: waPulse 2.5s infinite;
}
.wa-float:hover { transform: scale(1.08); animation-play-state: paused; }
@keyframes waPulse {
  0%, 100% { box-shadow: 0 8px 24px rgba(37,211,102,0.35), 0 0 0 0 rgba(37,211,102,0.45); }
  50% { box-shadow: 0 8px 24px rgba(37,211,102,0.35), 0 0 0 18px rgba(37,211,102,0); }
}
.wa-float svg { width: 28px; height: 28px; }

/* ============================================
   FOOTER
   ============================================ */
.footer { background: var(--ink); color: var(--paper); padding: var(--s-8) 0 var(--s-4); }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: var(--s-6); padding-bottom: var(--s-6); border-bottom: 1px solid var(--line-onDark); }
.footer__brand h4 { font-size: 1.4rem; margin-bottom: var(--s-3); color: var(--paper); }
.footer__brand p { color: rgba(244,247,246,0.62); font-size: 0.9rem; max-width: 320px; }
.footer__col h5 {
  font-family: var(--mono); font-size: 0.68rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.16em; color: #9FD4CD; margin-bottom: var(--s-4);
}
.footer__col ul { list-style: none; }
.footer__col li { margin-bottom: var(--s-2); font-family: var(--mono); font-size: 0.85rem; color: rgba(244,247,246,0.7); }
.footer__col a { color: rgba(244,247,246,0.7); transition: color 0.2s; }
.footer__col a:hover { color: #9FD4CD; }
.footer__bar {
  padding-top: var(--s-4); display: flex; justify-content: space-between; align-items: center;
  font-family: var(--mono); font-size: 0.72rem; color: rgba(244,247,246,0.4); letter-spacing: 0.05em;
}

/* ============================================
   GALLERY — installation record
   ============================================ */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--s-3);
}
.gallery__item {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--mist);
}
.gallery__item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.9s var(--ease);
}
.gallery__item:hover img { transform: scale(1.04); }
.gallery__item .fig__cap {
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}
.gallery__item:hover .fig__cap,
.gallery__item:focus-within .fig__cap { opacity: 1; }
@media (hover: none) {
  .gallery__item .fig__cap { opacity: 1; }
}

/* ============================================
   REVEAL
   ============================================ */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out); }
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .container { padding: 0 var(--s-4); }
  .hero__inner { grid-template-columns: 1fr; gap: var(--s-6); }
  .split { grid-template-columns: 1fr; gap: var(--s-5); }
  .split--reverse { direction: ltr; }
  .feature, .feature--flip { grid-template-columns: 1fr; gap: var(--s-5); }
  .feature--flip > .feature__visual { order: 0; }
  .feature__body { padding-left: 0; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .industries { grid-template-columns: repeat(2, 1fr); }
  .rowlist-row { grid-template-columns: 90px 1fr; row-gap: var(--s-2); }
  .rowlist-row__desc { grid-column: 1 / -1; }
  .rowlist-row__cta { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  :root { --s-8: 4rem; --s-9: 5rem; }
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--panel); padding: var(--s-5);
    border-bottom: 1px solid var(--line);
  }
  .nav-links.open a { display: block; padding: var(--s-3) 0; font-size: 0.9rem; border-bottom: 1px solid var(--line); }
  .nav-links.open li:last-child a { border-bottom: none; }
  .grid--auto { grid-template-columns: 1fr; }
  .stage { grid-template-columns: 50px 1fr; gap: var(--s-4); }
  .stage__list { grid-column: 1 / -1; }
  .form-row { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bar { flex-direction: column; gap: var(--s-2); text-align: center; }
  .brands__inner { flex-direction: column; align-items: flex-start; }
  .brands__label { border-right: 0; padding-right: 0; padding-bottom: var(--s-2); border-bottom: 1px solid var(--line); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
}