/* ============================================================
   TOKENS
   ============================================================ */
:root {
  /* Brand navy from PDF / Sigler logo */
  --navy:       #0D2240;
  --navy-dark:  #060E1C;
  --navy-mid:   #13456D;
  --blue-brand: #0369A1;
  --blue-light: #2B9ED4;
  --accent:     #1E6FAD;   /* Carrier blue for callouts */

  --white:      #FFFFFF;
  --off-white:  #F4F8FC;
  --hex-bg:     #EAF2F9;   /* Page 2 light background tint */

  --text-dark:  #0D2240;
  --text-mid:   #35506A;
  --text-muted: rgba(255,255,255,0.55);

  --font: 'GT Walsheim', 'Inter', sans-serif;

  --shadow-card: 0 4px 24px rgba(13,34,64,0.10);
  --shadow-lg:   0 12px 48px rgba(13,34,64,0.18);
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ============================================================
   RESET — scoped to #landing-sections, kept at ZERO specificity via
   :where() so component classes (paddings/margins) still win, exactly
   like the original global reset did.
   ============================================================ */
:where(#landing-sections, #landing-sections *, #landing-sections *::before, #landing-sections *::after) {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
:where(#landing-sections img) { display: block; max-width: 100%; }
:where(#landing-sections a)   { text-decoration: none; color: inherit; }
:where(#landing-sections ul)  { list-style: none; }
:where(#landing-sections em)  { font-style: italic; }

#landing-sections {
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
}
/* Background lives on the real sections — NOT on the wrapper — so the
   #hero-spacer (first 100vh) stays transparent and the 3D viewer shows
   through the hero instead of being covered. */
#landing-sections > section {
  background-color: #060b13;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-primary,
.btn-outline,
.btn-nav {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 30px;
  border-radius: 5px;
  font-family: var(--font);
  font-size: 0.9375rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.28s var(--ease);
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--blue-brand);
  color: var(--white);
  border-color: var(--blue-brand);
}
.btn-primary:hover {
  background: #025a8a;
  border-color: #025a8a;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(3,105,161,0.35);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.5);
}
.btn-outline:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.08);
}
.btn-nav {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.4);
  padding: 9px 20px;
  font-size: 0.875rem;
}
.btn-nav:hover { background: var(--blue-brand); border-color: var(--blue-brand); }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 200;
  padding: 18px 0;
  transition: background 0.28s var(--ease), padding 0.28s var(--ease);
}
.nav.scrolled {
  background: rgba(6,14,28,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 40px;
}
.nav__logos {
  display: flex;
  align-items: center;
  gap: 16px;
}
.nav__sigler  { width: 88px;  filter: brightness(0) invert(1); }
.nav__carrier { width: 60px;  filter: brightness(0) invert(1); }
.nav__divider {
  display: inline-block;
  width: 1px;
  height: 24px;
  background: rgba(255,255,255,0.2);
}
.nav__links {
  display: flex;
  gap: 32px;
}
.nav__links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255,255,255,0.72);
  transition: color 0.2s;
}
.nav__links a:hover { color: var(--white); }

/* ============================================================
   HERO — GTA-style scroll animation
   ============================================================ */
.hero {
  position: relative;
  height: 100svh;
  overflow: hidden;
  color: var(--white);
}
.hero__bg {
  position: absolute;
  inset: 0;
}
.hero__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: rgba(4,9,18,1);
}

/* Logos — top corners */
.hero__logos {
  position: absolute;
  top: 0; left: 0; right: 0;
  display: flex;
  justify-content: space-between;
  padding: 40px 56px 0;
  z-index: 3;
  opacity: 0;
}
.hero__logo-sigler { width: 140px; filter: brightness(0) invert(1); }
.hero__logo-carrier { width: 96px;  filter: brightness(0) invert(1); }

/* Stage — centered absolute */
.hero__stage {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 2;
  text-align: center;
}

/* Giant image container */
.hero__giant {
  position: relative;
  width: 24vw;   /* a esta escala, el texto mide ~10vw → título perfecto */
  transform-origin: center center;
}

/* Ambas imágenes: cuadradas y superpuestas */
.hero__img-glass,
.hero__img-white {
  display: block;
  width: 100%;
  height: auto;
  user-select: none;
  pointer-events: none;
}
.hero__img-white {
  position: absolute;
  inset: 0;
  width: 100%;
}

/* Subtitle — APPLIED ROOFTOP UNIT, fades in at the end */
.hero__subtitle {
  display: flex;
  flex-direction: column;
  align-items: center;
  opacity: 0;
  margin-top: 10px;
  line-height: 1;
}
.hero__applied {
  font-family: var(--font);
  font-size: clamp(2.5rem, 6vw, 5.5rem);
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--white);
  text-transform: uppercase;
}
.hero__rooftop {
  font-family: var(--font);
  font-size: clamp(2rem, 4.5vw, 4rem);
  font-weight: 900;
  letter-spacing: 0.06em;
  color: var(--blue-light);
  text-transform: uppercase;
}

/* Wave at bottom */
.hero__wave {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 80px;
  background: var(--navy-dark, #060E1C);
  clip-path: ellipse(55% 100% at 50% 100%);
  z-index: 4;
}

/* ============================================================
   PRODUCTS — SPLIT WORLD LAYOUT
   ============================================================ */
.products {
  position: relative;
  overflow: hidden;
  min-height: 720px;
  background: var(--white);
}

/* No split backgrounds needed */
.products__half { display: none; }

.products__hex-img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.28;
}

/* Title band — sits above the grid, spans full section width */
.products__titleband {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 64px 40px 48px;
  background: var(--navy);
}
.products__wm {
  font-family: var(--font);
  font-size: clamp(2rem, 4.5vw, 3.75rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--white);
}
.products__wm sup { font-size: 0.5em; }

/* 3-col grid: dark specs | image | light specs */
.products__panels {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 48% 1fr;
  align-items: center;
}

.spnl {
  padding: 56px 48px 64px;
  display: flex;
  flex-direction: column;
  align-self: stretch;   /* fill full column height */
}
.spnl--dark  {
  color: var(--text-dark);
  border-right: 1px solid rgba(19,69,109,0.18);
}
.spnl--light {
  border-left: 1px solid rgba(19,69,109,0.18);
}

.spnl__eyebrow {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.spnl--dark  .spnl__eyebrow { color: var(--accent); }
.spnl--light .spnl__eyebrow { color: var(--accent); }

.spnl__model {
  font-family: 'Inter', sans-serif;
  font-size: 56pt;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 20px;
  color: #12446D;
}

.spnl__cap {
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-radius: 6px;
  padding: 12px 28px 12px 18px;
  margin-bottom: 28px;
  width: 100%;
}
.spnl--dark  .spnl__cap { background: #12446D; }
.spnl--light .spnl__cap { background: #12446D; }

.spnl__cap span {
  font-size: 0.5625rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
}
.spnl__cap strong {
  font-family: var(--font);
  font-size: 1.375rem;
  font-weight: 900;
  line-height: 1.1;
  color: var(--white);
}

/* Spec list */
.spnl__specs {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}
.spnl__specs li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.spnl__specs li img {
  width: 20px; height: 20px;
  object-fit: contain;
  flex-shrink: 0;
  margin-top: 1px;
}
.spnl--dark  .spnl__specs li img { opacity: 0.80; }
.spnl--light .spnl__specs li img { opacity: 0.80; }

.spnl__specs li div { display: flex; flex-direction: column; gap: 1px; }
.spnl__specs strong {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.spnl--dark  .spnl__specs strong { color: var(--accent); }
.spnl--light .spnl__specs strong { color: var(--accent); }

.spnl__specs span { font-size: 0.875rem; line-height: 1.4; }
.spnl--dark  .spnl__specs span { color: var(--text-mid); }
.spnl--light .spnl__specs span { color: var(--text-mid); }

/* Unit photo above title */
.spnl__unit-img {
  margin-bottom: 28px;
}
.spnl__unit-img img {
  max-height: 150px;
  width: 100%;
  object-fit: contain;
  object-position: left center;
}
.spnl--light .spnl__unit-img img {
  object-position: left center;
}

/* Center column */
.products__diagram {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px 0;
}

/* Stage wraps image + pins — floats together */
.diagram-stage {
  position: relative;
  width: 130%;
  margin-left: -8%;
  margin-right: -22%;
  aspect-ratio: 6951 / 3942; /* exact SVG viewBox → % positioning is accurate */
}
.diagram-stage > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

@keyframes float {
  0%   { transform: translateY(0px);   }
  50%  { transform: translateY(-18px); }
  100% { transform: translateY(0px);   }
}

/* ---- PINS ---- */
.pin {
  position: absolute;
  left: var(--px);
  top: var(--py);
  transform: translate(-50%, -50%); /* dot centered on the orange circle */
  opacity: 0;
  pointer-events: none;
  z-index: 4;
}

/* Label floats to the right of the dot by default */
.pin span {
  position: absolute;
  left: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%);
  white-space: nowrap;
}

/* .pin--left: label floats to the LEFT of the dot */
.pin--left span {
  left: auto;
  right: calc(100% + 10px);
}

.pin__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #FF9500;
  flex-shrink: 0;
  position: relative;
}
.pin__dot::before,
.pin__dot::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: #FF9500;
  opacity: 0.6;
  animation: ping 2s ease-out infinite;
}
.pin__dot::after { animation-delay: 0.8s; }

@keyframes ping {
  0%   { transform: scale(1);   opacity: 0.6; }
  100% { transform: scale(3.5); opacity: 0;   }
}

.pin span {
  background: var(--navy);
  color: var(--white);
  font-family: var(--font);
  font-size: 0.5rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 9px;
  border-radius: 3px;
  white-space: nowrap;
  border-left: 2px solid #FF9500;
  box-shadow: 0 2px 8px rgba(0,0,0,0.25);
}
.pin--left span { border-left: none; border-right: 2px solid #FF9500; }

/* ============================================================
   PERFORMANCE / VAV — matches PDF Page 3
   ============================================================ */
.perf {
  position: relative;
  padding: 80px 0 72px;
  overflow: hidden;
  color: var(--white);
}
.perf__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.perf__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.perf__bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(4,9,18,0.97) 0%, rgba(13,34,64,0.93) 100%);
}
.perf__hex {
  position: absolute;
  right: -60px;
  top: 0;
  bottom: 0;
  width: 40%;
  opacity: 0.05;
  pointer-events: none;
  z-index: 0;
}
.perf__hex img { width: 100%; height: 100%; object-fit: cover; }
.perf__inner {
  position: relative;
  z-index: 1;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 40px;
}

/* Headline */
.perf__top {
  margin-bottom: 52px;
  text-align: center;
}
.perf__headline {
  font-family: var(--font);
  font-size: clamp(2rem, 4.5vw, 3.75rem);
  font-weight: 700;
  line-height: 1.12;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 28px;
  letter-spacing: 0.04em;
  text-align: center;
}
.perf__accent {
  color: var(--blue-light);
}
.perf__sub {
  font-size: 0.9375rem;
  line-height: 1.68;
  color: rgba(255,255,255,0.65);
  max-width: 560px;
  margin-bottom: 28px;
}
.perf__icons {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  justify-content: center;
}
.perf__icon-item {
  display: flex;
  align-items: center;
  gap: 14px;
}
.perf__icon-item img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: 0.85;
}
.perf__icon-item span {
  font-size: 1rem;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.04em;
}

/* Rooms image — centro de atención */
.perf__stage {
  width: 100%;
  margin: 0 auto 52px;
  text-align: center;
}
.perf__stage .vav-tag {
  display: inline-flex;
  margin-bottom: 16px;
}
.perf__airflow-caption {
  margin-top: 20px;
}
.perf__airflow-caption h3 {
  font-family: var(--font);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 8px;
}
.perf__airflow-caption h3 span { color: var(--blue-light); }
.perf__airflow-caption p {
  font-size: 0.9rem;
  line-height: 1.65;
  color: rgba(255,255,255,0.52);
  max-width: 540px;
  margin: 0 auto;
}

/* Secondary row: SmartVu + Features */
.perf__secondary {
  display: grid;
  grid-template-columns: 1fr 1.8fr;
  gap: 36px;
  align-items: start;
}

/* SmartVu interface */
.perf__smartvu-frame {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 0 0 1px rgba(43,158,212,0.15);
}
.perf__smartvu-frame img {
  width: 100%;
  border-radius: 6px;
}

/* VAV center */
.vav-tag {
  display: inline-flex;
  align-items: center;
  gap: 0;
  font-family: var(--font);
  font-size: 1.625rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
  color: var(--white);
}
.vav-tag span {
  background: var(--blue-brand);
  color: var(--white);
  padding: 2px 12px;
  margin-left: 8px;
  border-radius: 4px;
}

.perf__rooms-wrap {
  position: relative;
  aspect-ratio: 3851 / 2032;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  overflow: visible;
  margin-bottom: 20px;
  width: 110%;
  margin-left: -5%;
}
.rooms-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 10px;
}

/* ---- VAV PIN ---- */
.vav-pin {
  position: absolute;
  left: 63.34%;
  top: 45.84%;
  transform: translate(-50%, -50%);
  z-index: 10;
}

.vav-pin__dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #FF9500;
  position: relative;
  cursor: pointer;
}
.vav-pin__dot::before,
.vav-pin__dot::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: #FF9500;
  opacity: 0.6;
  animation: ping 2s ease-out infinite;
}
.vav-pin__dot::after { animation-delay: 0.8s; }

/* Card emerges from the pin upward-right */
.vav-pin__card {
  position: absolute;
  bottom: calc(100% + 14px);
  right: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  background: rgba(6,14,28,0.92);
  border: 1px solid rgba(255,149,0,0.45);
  border-radius: 10px;
  padding: 14px 12px 10px;
  width: 130px;
  transform-origin: bottom right;
}
.vav-pin__card::after {
  content: '';
  position: absolute;
  bottom: -14px;
  right: 0;
  width: 1px;
  height: 14px;
  background: rgba(255,149,0,0.45);
}
.vav-pin__card img {
  width: 100%;
  object-fit: contain;
  border-radius: 4px;
}
.vav-pin__card span {
  font-family: var(--font);
  font-size: 0.5rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.65);
  text-align: center;
  line-height: 1.4;
}

/* Hint en la card SmartVu */
.vav-pin__hint {
  font-size: 0.45rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #FF9500;
  opacity: 0.7;
  cursor: pointer;
}
#smartvu-card {
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s;
}
#smartvu-card:hover {
  border-color: rgba(255,149,0,0.8);
  box-shadow: 0 0 16px rgba(255,149,0,0.2);
}

/* ---- SMARTVU BAND (inside perf section) ---- */
.perf__smartvu-band {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  align-items: center;
  margin: 0 auto 16px;
  width: 100%;
  max-width: 1120px;
  padding: 48px 56px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 16px;
}
.perf__smartvu-band__content p {
  font-size: 1rem;
  line-height: 1.72;
  color: rgba(255,255,255,0.60);
  margin-top: 16px;
}
.perf__smartvu-band__screen {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: 24px;
}
.perf__smartvu-band__screen img {
  width: 100%;
  border-radius: 6px;
}

/* ---- SMARTVU SECTION ---- */
.smartvu-section {
  background: var(--navy);
  padding: 100px 0;
}
.smartvu-section__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 48px;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: center;
}
.smartvu-section__desc {
  font-size: 1.0625rem;
  line-height: 1.72;
  color: rgba(255,255,255,0.62);
  margin-top: 20px;
}
.smartvu-section__screen {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  padding: 28px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.3);
}
.smartvu-section__screen img {
  width: 100%;
  border-radius: 8px;
}

/* ---- SMARTVU MODAL ---- */
.sv-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
}
.sv-modal.is-open {
  pointer-events: all;
  opacity: 1;
}
.sv-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4,9,18,0.85);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.sv-modal__box {
  position: relative;
  z-index: 1;
  background: var(--navy-dark, #060E1C);
  border: 1px solid rgba(255,149,0,0.3);
  border-radius: 16px;
  width: min(960px, 92vw);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  transform: scale(0.88);
  opacity: 0;
}
.sv-modal__close {
  position: absolute;
  top: 14px;
  right: 16px;
  background: none;
  border: none;
  color: rgba(255,255,255,0.5);
  font-size: 1.1rem;
  cursor: pointer;
  line-height: 1;
  transition: color 0.2s;
  padding: 4px 8px;
}
.sv-modal__close:hover { color: var(--white); }
.sv-modal__content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
/* Solo para SmartVu: horizontal */
#sv-modal .sv-modal__content {
  flex-direction: row;
  align-items: center;
}
.sv-modal__img-wrap {
  flex-shrink: 0;
  width: 55%;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  padding: 16px;
}
/* VAV modal: imagen arriba, ancho completo */
#vav-modal .sv-modal__img-wrap {
  width: 100%;
}
.sv-modal__img-wrap img {
  width: 100%;
  border-radius: 6px;
}
.sv-modal__info {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.sv-modal__tag {
  font-family: var(--font);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #FF9500;
}
.sv-modal__desc {
  font-size: 1rem;
  line-height: 1.72;
  color: rgba(255,255,255,0.78);
}
.sv-modal__title {
  font-family: var(--font);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 4px;
}

/* Double image layout for VAV modal */
.sv-modal__img-wrap--double {
  display: flex;
  flex-direction: row;
  gap: 12px;
  align-items: flex-end;
}
.sv-modal__img-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 50%;
}
.sv-modal__img-item img {
  width: 100%;
  max-height: 200px;
  object-fit: contain;
  border-radius: 6px;
}
.sv-modal__img-item span {
  font-family: var(--font);
  font-size: 0.5625rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  text-align: center;
}

/* VAV card hover */
#vav-card {
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s;
}
#vav-card:hover {
  border-color: rgba(255,149,0,0.8);
  box-shadow: 0 0 16px rgba(255,149,0,0.2);
}

/* Card que sale hacia la derecha (para pins en la parte izquierda) */
.vav-pin__card--right {
  left: 8px;
  right: auto;
  transform-origin: bottom left;
}
.vav-pin__card--right::after {
  left: 0;
  right: auto;
}

.perf__airflow-box h3 {
  font-family: var(--font);
  font-size: 1.25rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 10px;
}
.perf__airflow-box h3 span { color: var(--blue-light); }
.perf__airflow-box p {
  font-size: 0.875rem;
  line-height: 1.68;
  color: rgba(255,255,255,0.58);
}

/* 4-column feature row below rooms image — mismo ancho que la imagen */
.perf__feats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  margin-top: 8px;
  width: 110%;
  margin-left: -5%;
}
.perf__feat-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 12px;
  padding: 28px 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: background 0.25s;
}
.perf__feat-card:hover {
  background: rgba(255,255,255,0.08);
}
.perf__feat-icon { display: none; }
.perf__feat-card h4 {
  font-family: var(--font);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
}
.perf__feat-card p {
  font-size: 0.8125rem;
  line-height: 1.65;
  color: rgba(255,255,255,0.52);
}

/* Right feature columns (legacy) */
.perf__feats {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.perf__feat {
  padding: 20px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.perf__feat:last-child { border-bottom: none; }
.perf__feat h4 {
  font-family: var(--font);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 8px;
}
.perf__feat p {
  font-size: 0.8125rem;
  line-height: 1.65;
  color: rgba(255,255,255,0.52);
}

/* ============================================================
   CTA
   ============================================================ */
.cta {
  position: relative;
  padding: 100px 0;
  text-align: center;
  overflow: hidden;
  color: var(--white);
}
.cta__bg {
  position: absolute;
  inset: 0;
}
.cta__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.cta__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(4,9,18,0.95), rgba(3,105,161,0.90));
}
.cta__inner {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto;
  padding: 0 40px;
}
.cta__logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-bottom: 40px;
}
.cta__sigler  { width: 100px; filter: brightness(0) invert(1); opacity: 0.7; }
.cta__carrier { width: 68px;  filter: brightness(0) invert(1); opacity: 0.7; }
.cta__divider {
  display: inline-block;
  width: 1px;
  height: 28px;
  background: rgba(255,255,255,0.2);
}
.cta__title {
  font-family: var(--font);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--white);
  margin-bottom: 20px;
}
.cta__sub {
  font-size: 1rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.65);
  margin-bottom: 40px;
}
.cta__actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--navy-dark);
  padding: 40px 0 28px;
  color: rgba(255,255,255,0.38);
}
.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 40px 32px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.footer__brand {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer__brand img {
  width: 80px;
  filter: brightness(0) invert(1);
  opacity: 0.45;
}
.footer__brand p { font-size: 0.8125rem; }
.footer__nav {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  align-items: center;
}
.footer__nav a {
  font-size: 0.875rem;
  transition: color 0.2s;
}
.footer__nav a:hover { color: rgba(255,255,255,0.8); }
.footer__copy {
  max-width: 1240px;
  margin: 0 auto;
  padding: 20px 40px 0;
  font-size: 0.8125rem;
}

/* ============================================================
   ANIM INITIAL STATES
   ============================================================ */
.hero__logos,
.hero__content { opacity: 0; }

[data-reveal] {
  opacity: 0;
  transform: translateY(32px);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .spnl--dark  { padding-right: 160px; }
  .spnl--light { padding-left: 160px; }
  .products__diagram { width: 44%; }
  .perf__stage { width: 95%; }
  .perf__secondary { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .perf__feats-row {
    grid-template-columns: 1fr;
    width: 100%;
    margin-left: 0;
  }
  .perf__smartvu-band {
    grid-template-columns: 1fr;
    width: 100%;
    margin-left: 0;
  }
  .nav__inner { padding: 0 24px; }
  .nav__links { display: none; }
  .hero__logos { padding: 32px 24px 0; }
  .hero__logo-sigler  { width: 100px; }
  .hero__logo-carrier { width: 72px; }
  .perf__inner,
  .footer__inner,
  .footer__copy,
  .cta__inner { padding-left: 24px; padding-right: 24px; }
  /* Stack split panels on mobile */
  .products__half--dark,
  .products__half--light { width: 100%; position: static; }
  .products__half--dark { height: auto; }
  .products { display: flex; flex-direction: column; }
  .products__panels { grid-template-columns: 1fr; }
  .spnl--dark  { padding-right: 48px; order: 1; }
  .spnl--light { padding-left: 48px; order: 3; }
  .products__diagram { position: static; transform: none; width: 85%; margin: 32px auto; order: 2; }
  .products__titleband { order: 0; }
  .products__wm {
    background: var(--navy);
    -webkit-text-fill-color: var(--white);
    color: var(--white);
  }
  .perf__stage   { width: 100%; }
  .perf__secondary { grid-template-columns: 1fr; }
  .perf__smartvu { display: none; }
  .footer__inner { flex-direction: column; }
}
@media (max-width: 480px) {
  .perf__icons  { gap: 20px; }
  .cta__actions { flex-direction: column; align-items: stretch; }
}