/* =========================================================
   SENTRY SHADING — styles.css
   Architectural / editorial. Black + cream + single gold accent.
   ========================================================= */

/* ---------- Tokens ---------- */
:root {
  --gold:        #CE9F41;
  --gold-dark:   #A47F2E;
  --black:       #000000;
  --off-black:   #1A1B1C;
  --cream:       #F5F0E8;
  --white:       #FFFFFF;
  --grey-light:  #F2F2F2;
  --grey-mid:    #D4D4D4;
  --grey-text:   #3A3A3A;
  --grey-label:  #A0A0A0;
  --hairline:    rgba(0,0,0,0.08);
  --hairline-on-dark: rgba(255,255,255,0.10);

  --text-hero:    clamp(3rem, 7vw, 5.75rem);
  --text-h2:      clamp(1.75rem, 3.4vw, 2.5rem);
  --text-section: clamp(1.35rem, 2.2vw, 1.625rem);
  --text-sub:     0.95rem;
  --text-body:    0.9375rem;
  --text-small:   0.8125rem;
  --text-micro:   0.75rem;

  --max-width:    1320px;
  --gutter:       clamp(1.5rem, 5vw, 5rem);
  --section-v:    clamp(4.5rem, 8vw, 7.5rem);
  --card-gap:     1.5rem;
  --radius:       2px;

  --nav-h:        72px;
  --nav-h-mobile: 60px;

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

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Manrope', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: var(--text-body);
  line-height: 1.65;
  color: var(--grey-text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg, iframe { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5, h6, p { margin: 0; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ---------- Brand mark (real PNG) ---------- */
.brand-mark {
  display: inline-flex;
  align-items: center;
  color: inherit;
  text-decoration: none;
}
.brand-mark__img { height: 38px; width: auto; display: block; }
.brand-mark__img--stack { height: 64px; }
@media (max-width: 1020px) { .brand-mark__img { height: 32px; } }

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: var(--black);
  z-index: 100;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--hairline-on-dark);
}
.nav__inner {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  gap: 2.5rem;
}
.nav__logo { color: var(--white); }
.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-left: auto;
}
.nav__link {
  position: relative;
  font-family: 'Manrope', sans-serif;
  font-weight: 500;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 8px 0;
  transition: color 0.2s var(--ease);
}
.nav__link::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 2px;
  height: 1.5px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease);
}
.nav__link:hover { color: var(--white); }
.nav__link:hover::after { transform: scaleX(1); }
.nav__link.is-active { color: var(--gold); }
.nav__link.is-active::after { display: none; }

.nav__cta { display: flex; align-items: center; gap: 1.25rem; }
.nav__cta-link {
  font-family: 'Manrope', sans-serif;
  font-weight: 500;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--white);
  opacity: 0.9;
  transition: opacity 0.2s var(--ease);
}
.nav__cta-link:hover { opacity: 1; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: 'Manrope', sans-serif;
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 0.875rem 1.5rem;
  border-radius: var(--radius);
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
  border: 1px solid transparent;
  cursor: pointer;
  line-height: 1;
  white-space: nowrap;
}
.btn--gold       { background: var(--gold); color: var(--black); border-color: var(--gold); }
.btn--gold:hover { background: var(--gold-dark); border-color: var(--gold-dark); }
.btn--outline-light { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.45); }
.btn--outline-light:hover { background: var(--white); color: var(--black); border-color: var(--white); }
.btn--outline-dark  { background: transparent; color: var(--black); border-color: var(--black); }
.btn--outline-dark:hover { background: var(--black); color: var(--white); }
.btn--outline-gold  { background: transparent; color: var(--white); border-color: var(--gold); }
.btn--outline-gold:hover { background: var(--gold); color: var(--black); border-color: var(--gold); }
.btn--lg { padding: 1.05rem 1.75rem; font-size: 0.82rem; }
.btn--block { width: 100%; padding: 1.15rem; font-size: 0.85rem; }

.nav__toggle {
  display: none;
  width: 32px;
  height: 32px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  margin-left: auto;
}
.nav__toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--white);
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}
.nav__toggle.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__toggle.is-open span:nth-child(2) { opacity: 0; }
.nav__toggle.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav__mobile {
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  background: var(--black);
  border-top: 1px solid var(--hairline-on-dark);
  padding: 0.5rem 1.25rem 2rem;
  display: none;
  flex-direction: column;
  z-index: 99;
}
.nav__mobile.is-open { display: flex; }
.nav__mobile .nav__link {
  display: block;
  padding: 18px 0;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--hairline-on-dark);
}
.nav__mobile .nav__cta-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

@media (max-width: 1020px) {
  .nav { height: var(--nav-h-mobile); }
  .nav__inner { gap: 1rem; padding: 0 1.25rem; }
  .nav__links, .nav__cta { display: none; }
  .nav__toggle { display: flex; margin-left: auto; }
  .nav__mobile { top: var(--nav-h-mobile); }
}

.page-spacer { height: var(--nav-h); }
@media (max-width: 1020px) { .page-spacer { height: var(--nav-h-mobile); } }

/* ---------- Hero (interior pages) ---------- */
.hero {
  position: relative;
  height: clamp(440px, 60vh, 580px);
  overflow: hidden;
  background: var(--black);
  margin-top: var(--nav-h);
}
@media (max-width: 1020px) { .hero { margin-top: var(--nav-h-mobile); height: 420px; } }

.hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.04);
  transition: transform 1.4s var(--ease);
}
.hero.is-loaded .hero__bg { transform: scale(1); }
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0.65) 100%);
}
.hero__content {
  position: relative;
  z-index: 2;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter) clamp(2.5rem, 6vh, 4.5rem);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.hero__eyebrow {
  font-family: 'Manrope', sans-serif;
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 1.25rem;
}
.hero__title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: var(--text-hero);
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.005em;
  margin: 0;
  line-height: 0.95;
  max-width: 920px;
}
.hero__sub {
  font-family: 'Manrope', sans-serif;
  font-size: 0.95rem;
  line-height: 1.6;
  color: rgba(255,255,255,0.82);
  max-width: 560px;
  margin: 1.25rem 0 0;
}
.hero__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  margin-top: 2rem;
}

/* ---------- Hero (Home — full viewport) ---------- */
.hero--full {
  height: 100vh;
  min-height: 640px;
  margin-top: 0;
}
.hero--full .hero__content { padding-bottom: clamp(4rem, 10vh, 7rem); padding-top: var(--nav-h); }
.hero--full .hero__title { font-size: clamp(3rem, 7.5vw, 6.25rem); }

/* ---------- Sections ---------- */
section { padding: var(--section-v) 0; }
.bg-cream  { background: var(--cream); }
.bg-white  { background: var(--white); }
.bg-grey   { background: var(--grey-light); }
.bg-black  { background: var(--black); color: rgba(255,255,255,0.82); }
.bg-black p { color: rgba(255,255,255,0.78); }

/* ---------- Section heads ---------- */
.sec-head { margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.sec-head__label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: var(--text-section);
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  line-height: 1.1;
  margin: 0 0 0.45rem;
}
.sec-head__title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: var(--text-h2);
  color: var(--black);
  text-transform: uppercase;
  letter-spacing: 0.025em;
  line-height: 1.1;
  margin: 0;
}
.sec-head__sub {
  font-family: 'Manrope', sans-serif;
  font-size: 0.95rem;
  color: var(--grey-text);
  max-width: 620px;
  margin: 1rem 0 0;
  line-height: 1.65;
}
.bg-black .sec-head__title { color: var(--white); }
.bg-black .sec-head__sub  { color: rgba(255,255,255,0.78); }

.eyebrow {
  display: inline-block;
  font-family: 'Manrope', sans-serif;
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 1rem;
}

.h2 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: var(--text-h2);
  color: var(--black);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.05;
  margin: 0 0 1.25rem;
}
.bg-black .h2 { color: var(--white); }

.body { font-family: 'Manrope', sans-serif; font-size: 0.95rem; line-height: 1.7; color: var(--grey-text); }
.bg-black .body { color: rgba(255,255,255,0.78); }

/* ---------- Generic grids ---------- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--card-gap); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--card-gap); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--card-gap); }
@media (max-width: 1020px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; gap: 1.25rem; }
}

/* ---------- Pillars (Home) ---------- */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(2rem, 4vw, 4rem); }
.pillar__num {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--gold);
  letter-spacing: 0.18em;
  margin-bottom: 1.25rem;
}
.pillar__label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--black);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 0.85rem;
}
.pillar__rule { display: block; width: 36px; height: 1.5px; background: var(--gold); margin-bottom: 1.25rem; }
.pillar__body { font-family: 'Manrope', sans-serif; color: var(--grey-text); font-size: 0.9rem; line-height: 1.7; }
@media (max-width: 900px) { .pillars { grid-template-columns: 1fr; gap: 2.25rem; } }

/* ---------- System cards (Home) ---------- */
.sys-card { background: var(--white); display: flex; flex-direction: column; gap: 1.25rem; }
.sys-card__img {
  aspect-ratio: 4/3;
  background: var(--grey-light);
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
}
.sys-card__title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  text-transform: uppercase;
  color: var(--black);
  letter-spacing: 0.08em;
}
.sys-card p { font-size: 0.9rem; line-height: 1.65; flex: 1; }
.link-gold {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Manrope', sans-serif;
  font-weight: 500;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  transition: gap 0.2s var(--ease), color 0.2s var(--ease);
}
.link-gold:hover { color: var(--gold-dark); gap: 12px; }
.link-gold::after { content: '→'; font-size: 1em; }

/* ---------- Product card (mockup-true) ---------- */
.product-card {
  background: var(--white);
  display: flex;
  flex-direction: column;
  text-align: left;
  transition: transform 0.25s var(--ease);
}
.product-card:hover { transform: translateY(-3px); }
.product-card__img {
  aspect-ratio: 5/4;
  background: var(--white);
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  border: 1px solid var(--hairline);
  padding: 1.25rem;
}
.product-card__body { padding: 1rem 0 0; display: flex; flex-direction: column; gap: 0.35rem; }
.product-card__title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.92rem;
  text-transform: uppercase;
  color: var(--black);
  letter-spacing: 0.06em;
  line-height: 1.35;
}
.product-card__pn {
  font-family: 'Manrope', sans-serif;
  font-size: 0.78rem;
  color: var(--grey-label);
  letter-spacing: 0.06em;
}

/* ---------- Section-within-section (sub block) ---------- */
.sub-block { margin-bottom: clamp(2.75rem, 5vw, 4rem); }
.sub-block:last-child { margin-bottom: 0; }
.sub-block__label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  text-transform: uppercase;
  color: var(--black);
  letter-spacing: 0.12em;
  margin: 0 0 1.5rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--hairline);
}
.bg-black .sub-block__label { color: var(--white); border-bottom-color: var(--hairline-on-dark); }

/* ---------- Motorized card (3-up) ---------- */
.motor-card {
  background: var(--white);
  display: flex;
  flex-direction: column;
}
.motor-card__img {
  aspect-ratio: 4/3;
  background: var(--white);
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  border: 1px solid var(--hairline);
  padding: 1.25rem;
}
.motor-card__body { padding: 1.5rem 0 0; display: flex; flex-direction: column; gap: 1rem; }
.motor-card__label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  text-transform: uppercase;
  color: var(--black);
  letter-spacing: 0.08em;
  margin: 0;
}
.motor-card__label small {
  display: block;
  font-weight: 500;
  font-size: 0.72rem;
  color: var(--gold);
  letter-spacing: 0.18em;
  margin-bottom: 0.35rem;
  text-transform: uppercase;
}
.motor-card__desc { font-size: 0.9rem; line-height: 1.65; color: var(--grey-text); }
.motor-card__pn-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  margin-bottom: 0.4rem;
}
.motor-card__pn-list { font-family: 'Manrope', sans-serif; font-size: 0.78rem; color: var(--grey-text); line-height: 1.85; }

/* ---------- Innovation block (mockup-true: text+render left, photo right) ---------- */
.innov {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: stretch;
}
.innov--reverse .innov__text { order: 2; }
.innov--reverse .innov__media { order: 1; }
.innov__text { max-width: 560px; display: flex; flex-direction: column; gap: 1.5rem; }
.innov__text .innov__h {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: clamp(2.25rem, 4.5vw, 3.5rem);
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1;
  margin: 0;
}
.innov__text > p { margin: 0; line-height: 1.7; color: var(--grey-text); font-size: 0.95rem; }
.innov__product {
  margin-top: 0.5rem;
  aspect-ratio: 16/7;
  background-size: contain;
  background-position: left center;
  background-repeat: no-repeat;
}

.innov__media {
  background-size: cover;
  background-position: center;
  background-color: var(--grey-light);
  min-height: 480px;
  height: 100%;
}
.bg-black .innov__media { background-color: var(--off-black); }

@media (max-width: 880px) {
  .innov { grid-template-columns: 1fr; }
  .innov--reverse .innov__text { order: 1; }
  .innov--reverse .innov__media { order: 2; }
  .innov__media { min-height: 320px; aspect-ratio: 16/10; }
}

/* ---------- Innovation tag pills (Innovations intro) ---------- */
.tag-row { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1.5rem; }
.tag {
  display: inline-block;
  font-family: 'Manrope', sans-serif;
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 0.65rem 1.1rem;
  border-radius: 999px;
  border: 1px solid var(--black);
  color: var(--black);
  background: transparent;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease);
}
.tag:hover { background: var(--black); color: var(--white); }
.bg-black .tag { border-color: rgba(255,255,255,0.45); color: var(--white); }
.bg-black .tag:hover { background: var(--white); color: var(--black); }
.tag.is-active { background: var(--gold); color: var(--black); border-color: var(--gold); }

/* ---------- Innovation teaser tiles (Home — 2x2) ---------- */
.innov-tiles {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.25rem 3rem;
}
.innov-tile { padding-top: 1.25rem; border-top: 1.5px solid var(--gold); }
.innov-tile__name {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--white);
  letter-spacing: 0.04em;
  margin: 0 0 0.45rem;
}
.innov-tile__line { font-family: 'Manrope', sans-serif; font-size: 0.9rem; color: rgba(255,255,255,0.72); line-height: 1.6; }
@media (max-width: 640px) { .innov-tiles { grid-template-columns: 1fr; gap: 2rem; } }

/* ---------- Fabric cards (Home) ---------- */
.fabric-card {
  background: var(--white);
  display: flex;
  flex-direction: column;
}
.fabric-card__swatch {
  aspect-ratio: 4/3;
  background-size: cover;
  background-position: center;
  background-color: var(--grey-light);
}
.fabric-card__body { padding: 1.25rem 0 0; display: flex; flex-direction: column; gap: 0.55rem; }
.fabric-card__name {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--black);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.badge {
  display: inline-block;
  font-family: 'Manrope', sans-serif;
  font-weight: 500;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 0.3rem 0.65rem;
  background: var(--cream);
  color: var(--gold-dark);
  border-radius: 2px;
  width: fit-content;
}
.fabric-card p { font-size: 0.88rem; line-height: 1.6; color: var(--grey-text); }

/* ---------- Vista swatch tiles (Shading Solutions black fabric section) ---------- */
.swatch-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.85rem; }
.swatch {
  position: relative;
  aspect-ratio: 1/1;
  background-size: cover;
  background-position: center;
  background-color: var(--off-black);
  display: flex;
  align-items: flex-end;
  padding: 1.1rem;
}
.swatch::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(0,0,0,0.5));
}
.swatch__label {
  position: relative;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--white);
  letter-spacing: 0.04em;
}
@media (max-width: 640px) { .swatch-row { grid-template-columns: 1fr 1fr; } }

/* ---------- Story / timeline ---------- */
.story-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(2.5rem, 6vw, 5.5rem);
  align-items: start;
}
.story-photo {
  aspect-ratio: 4/5;
  background: var(--grey-light);
  background-size: cover;
  background-position: center;
}
.timeline-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 1.5rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--hairline);
}
.timeline-row:last-of-type { border-bottom: 0; }
.timeline-row__label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  padding-top: 0.15rem;
}
.timeline-row__body { font-size: 0.92rem; line-height: 1.7; color: var(--grey-text); }
.pull-quote {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: clamp(1.4rem, 2.4vw, 1.85rem);
  line-height: 1.25;
  color: var(--black);
  border-left: 2px solid var(--gold);
  padding: 0.25rem 0 0.25rem 1.5rem;
  margin: 2.25rem 0 0;
  letter-spacing: 0.01em;
}
@media (max-width: 880px) {
  .story-grid { grid-template-columns: 1fr; }
  .timeline-row { grid-template-columns: 1fr; gap: 0.35rem; padding: 1rem 0; }
}

/* ---------- Why / Specifier column grid ---------- */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2.5rem; }
.why-col { padding-top: 1.25rem; border-top: 1.5px solid var(--gold); }
.why-col__label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  text-transform: uppercase;
  color: var(--black);
  letter-spacing: 0.08em;
  margin: 0 0 0.85rem;
  line-height: 1.3;
}
.why-col__body { font-size: 0.88rem; line-height: 1.65; color: var(--grey-text); }
.why-col__num {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--gold);
  letter-spacing: 0.04em;
  margin-bottom: 0.4rem;
}
@media (max-width: 980px) { .why-grid { grid-template-columns: repeat(2, 1fr); gap: 2rem; } }
@media (max-width: 540px) { .why-grid { grid-template-columns: 1fr; gap: 1.75rem; } }

/* ---------- Resource tiles ---------- */
.resource-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.75rem; }
.resource-tile {
  background: var(--white);
  border: 1px solid var(--hairline);
  padding: 2.25rem 1.75rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.resource-tile:hover { border-color: var(--gold); transform: translateY(-3px); }
.resource-tile__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--cream);
  color: var(--gold);
  margin-bottom: 0.5rem;
  border-radius: 2px;
}
.resource-tile__icon svg { width: 22px; height: 22px; }
.resource-tile__title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--black);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0;
}
.resource-tile p { font-size: 0.88rem; line-height: 1.65; flex: 1; }
.resource-tile .btn { align-self: flex-start; margin-top: 0.75rem; }
@media (max-width: 880px) { .resource-grid { grid-template-columns: 1fr; } }

/* ---------- CTA banner ---------- */
.cta-banner {
  background: var(--black);
  padding: clamp(3rem, 6vw, 5rem) 0;
}
.cta-banner__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2.5rem;
  align-items: center;
}
.cta-banner__title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: clamp(1.85rem, 3.6vw, 2.6rem);
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.025em;
  line-height: 1.05;
  margin: 0 0 0.75rem;
}
.cta-banner__body { font-size: 0.95rem; color: rgba(255,255,255,0.75); max-width: 520px; line-height: 1.65; }
@media (max-width: 720px) { .cta-banner__inner { grid-template-columns: 1fr; } }

/* ---------- Footer ---------- */
.footer { background: var(--black); color: var(--white); padding: clamp(3.5rem, 6vw, 5rem) 0 1.5rem; }
.footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 1.25fr 1fr 1fr;
  gap: clamp(2.5rem, 5vw, 4rem);
}
.footer__brand p { color: rgba(255,255,255,0.6); font-size: 0.85rem; line-height: 1.6; margin-top: 1.25rem; max-width: 320px; }
.footer__heading {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--gold);
  font-size: 0.78rem;
  margin: 0 0 1.5rem;
}
.footer__nav li { margin-bottom: 0.7rem; }
.footer__nav a, .footer__contact a {
  color: rgba(255,255,255,0.82);
  font-size: 0.9rem;
  transition: color 0.2s var(--ease);
  display: inline-block;
}
.footer__contact a { display: block; margin-bottom: 0.55rem; }
.footer__nav a:hover, .footer__contact a:hover { color: var(--gold); }
.footer__bottom {
  max-width: var(--max-width);
  margin: clamp(2.5rem, 5vw, 4rem) auto 0;
  padding: 1.5rem var(--gutter) 0;
  border-top: 1px solid var(--hairline-on-dark);
  font-size: 0.78rem;
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.04em;
}
@media (max-width: 880px) { .footer__inner { grid-template-columns: 1fr; gap: 2.5rem; } }

/* ---------- Contact form (mockup-true) ---------- */
.contact {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}
.contact-info { padding-right: 1rem; }
.contact-info p { margin-bottom: 1.5rem; line-height: 1.7; }
.contact-info__lines { margin-top: 2.5rem; }
.contact-info__lines a {
  display: block;
  color: var(--black);
  font-weight: 500;
  font-size: 0.92rem;
  margin-bottom: 0.5rem;
  letter-spacing: 0.02em;
}
.contact-info__lines a:hover { color: var(--gold); }

.form input, .form textarea {
  width: 100%;
  padding: 1.1rem 1.15rem;
  background: var(--grey-light);
  border: 0;
  border-radius: 0;
  font-family: 'Manrope', sans-serif;
  font-size: 0.92rem;
  color: var(--black);
  margin-bottom: 1rem;
  transition: background-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.form input::placeholder, .form textarea::placeholder { color: var(--grey-label); letter-spacing: 0.01em; }
.form input:focus, .form textarea:focus {
  outline: none;
  background: var(--white);
  box-shadow: inset 0 0 0 1.5px var(--gold);
}
.form textarea { resize: vertical; min-height: 160px; line-height: 1.6; }
.form button[type="submit"] {
  width: 100%;
  height: 58px;
  background: var(--gold);
  color: var(--white);
  font-family: 'Manrope', sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  cursor: pointer;
  border: 0;
  transition: background-color 0.2s var(--ease);
  margin-top: 0.5rem;
}
.form button[type="submit"]:hover { background: var(--gold-dark); }
.form button[type="submit"]:disabled { opacity: 0.7; cursor: wait; }
.form-success {
  padding: 2rem;
  background: var(--cream);
  border-left: 3px solid var(--gold);
  color: var(--black);
  font-weight: 500;
  line-height: 1.6;
}
@media (max-width: 880px) { .contact { grid-template-columns: 1fr; } }

/* ---------- Configurator page ---------- */
.configurator-hero {
  position: relative;
  min-height: 100vh;
  background: var(--black);
  overflow: hidden;
}
.configurator-hero__bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
}
.configurator-hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(0,0,0,0.65) 0%, rgba(0,0,0,0.4) 45%, rgba(0,0,0,0.1) 100%);
}
.configurator-hero__inner {
  position: relative; z-index: 2;
  min-height: 100vh;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: calc(var(--nav-h) + 3rem) var(--gutter) 3rem;
  display: grid;
  grid-template-columns: 1fr 460px;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: end;
}
.configurator-hero__copy { color: var(--white); padding-bottom: 1.5rem; }
.configurator-hero__copy .hero__eyebrow { color: var(--gold); }
.configurator-hero__title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: clamp(3rem, 7vw, 5.5rem);
  color: var(--white);
  text-transform: uppercase;
  line-height: 0.95;
  margin: 0 0 2rem;
  letter-spacing: 0.01em;
}
.configurator-frame {
  width: 100%;
  height: 72vh;
  min-height: 560px;
  border: 0;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: 0 24px 64px rgba(0,0,0,0.45);
}
@media (max-width: 1020px) {
  .configurator-hero__inner { grid-template-columns: 1fr; padding-top: calc(var(--nav-h-mobile) + 2rem); align-items: start; }
  .configurator-frame { height: 70vh; min-height: 500px; }
}

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 3rem; }
.step__num {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 2.25rem;
  color: var(--gold);
  letter-spacing: 0.04em;
  margin-bottom: 1rem;
}
.step__title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--black);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 0.75rem;
}
.step__body { font-size: 0.9rem; line-height: 1.7; color: var(--grey-text); }
@media (max-width: 880px) { .steps { grid-template-columns: 1fr; gap: 2rem; } }

.callouts { display: grid; grid-template-columns: 1fr 1fr; gap: 1.75rem; }
.callout {
  background: var(--white);
  border: 1px solid var(--hairline);
  padding: 2.25rem 2rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: border-color 0.25s var(--ease);
}
.callout:hover { border-color: var(--gold); }
.callout__title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  text-transform: uppercase;
  color: var(--black);
  letter-spacing: 0.08em;
  margin: 0 0 0.5rem;
}
.callout p { margin-bottom: 1.25rem; line-height: 1.65; }
.callout .btn { align-self: flex-start; }
@media (max-width: 720px) { .callouts { grid-template-columns: 1fr; } }

/* ---------- Projects grid ---------- */
.projects-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--grey-mid); }
.project-tile {
  position: relative;
  aspect-ratio: 4/3;
  background: var(--grey-mid);
  background-size: cover;
  background-position: center;
  overflow: hidden;
  cursor: pointer;
}
.project-tile__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.0) 35%, rgba(0,0,0,0.75) 100%);
  opacity: 0;
  transition: opacity 0.3s var(--ease);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  color: var(--white);
  padding: 1.5rem;
}
.project-tile:hover .project-tile__overlay { opacity: 1; }
.project-tile__name {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0 0 1rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid rgba(255,255,255,0.25);
}
.project-tile__specs { display: flex; flex-direction: column; gap: 0.35rem; font-family: 'Manrope', sans-serif; font-size: 0.78rem; color: rgba(255,255,255,0.85); line-height: 1.4; }
.project-tile__specs p { margin: 0; display: grid; grid-template-columns: 88px 1fr; gap: 0.5rem; }
.project-tile__k { color: var(--gold); font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; font-size: 0.7rem; align-self: center; }
@media (max-width: 880px) { .projects-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .projects-grid { grid-template-columns: 1fr; } }

/* ---------- Noir + Velour duo ---------- */
.duo-callouts { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); }
.duo-callout__name {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--black);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0 0 0.4rem;
}
.duo-callout p { margin: 0.85rem 0 1.25rem; line-height: 1.7; }
@media (max-width: 720px) { .duo-callouts { grid-template-columns: 1fr; gap: 2.25rem; } }

/* ---------- Black-section variants ---------- */
.bg-black .product-card__title, .bg-black .motor-card__label, .bg-black .fabric-card__name { color: var(--white); }
.bg-black .product-card__pn, .bg-black .motor-card__desc, .bg-black .motor-card__pn-list { color: rgba(255,255,255,0.72); }
.bg-black .product-card__img, .bg-black .motor-card__img { border-color: var(--hairline-on-dark); background: var(--off-black); }

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

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Utility ---------- */
.flow > * + * { margin-top: 1.25rem; }