/*
Theme Name: 424 Group
Theme URI: https://the424group.com/
Author: 424 Group
Author URI: https://the424group.com/
Description: Premium commercial real estate website for The 424 Group — Chicago.
Version: 5.0.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: 424group
Tags: custom-background, custom-logo, custom-menu, featured-images, theme-options, translation-ready, accessibility-ready
*/

/* ============================================================
   DESIGN SYSTEM — PREMIUM COMMERCIAL REAL ESTATE
   Minimal | Architectural | Elegant | Professional
   ============================================================ */

:root {
  --white: #FFFFFF;
  --black: #111111;
  --gray-dark: #666666;
  --gray-light: #777777;
  --gold: #C9A962;
  --gold-dark: #A88A3D;
  --green: #C9A962;
  --green-dark: #A88A3D;
  --border: #E8E8E8;
  --surface: #FAFAF8;
  --font-heading: 'Inter', 'Neue Haas Grotesk', 'SF Pro Display', sans-serif;
  --font-body: 'Inter', 'Neue Haas Grotesk', 'SF Pro Text', sans-serif;
  --max-width: 1440px;
  --header-h: 140px;
  --ease: cubic-bezier(0.2, 0.65, 0.3, 0.85);
  --duration: 0.35s;
}

/* ── RESET & BASE ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--black);
  font-size: 18px;
  line-height: 1.7;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--duration) var(--ease), background-color var(--duration) var(--ease);
}

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

ul, ol {
  list-style: none;
}

/* ── TYPOGRAPHY ── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--black);
}

/* Desktop: 60-72px, Tablet: 42px, Mobile: 34px */
h1 {
  font-size: clamp(2.125rem, 5vw, 4.5rem);
  margin-bottom: 1.5rem;
}

/* 22px */
h2 {
  font-size: clamp(1.375rem, 2.5vw, 1.375rem);
  margin-bottom: 1.2rem;
}

h3 {
  font-size: 1.125rem;
  margin-bottom: 1rem;
}

h4 {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--black);
}

p {
  color: var(--gray-dark);
  margin-bottom: 1rem;
}

/* Body: 18px, Line height: 1.7 */
body {
  font-size: 18px;
  line-height: 1.7;
}

/* ── CONTAINER & SPACING ── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 4vw, 3rem);
}

.section {
  padding: clamp(5rem, 8vw, 7rem) 0;
}

.section--white {
  background: var(--white);
}

.section--light {
  background: #FAFAFA;
}

/* ── LABELS & EYEBROWS ── */
.eyebrow {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 0.75rem;
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--black);
  background: var(--black);
  color: var(--white);
  cursor: pointer;
  transition: all var(--duration) var(--ease);
  text-decoration: none;
  white-space: nowrap;
  border-radius: 14px;
  box-shadow: none;
}

.btn:hover, .btn:focus-visible {
  background: var(--green);
  border-color: var(--green);
  color: var(--white);
  transform: translateY(-1px);
}

.btn--primary {
  background: var(--black);
  border-color: var(--black);
  color: var(--white);
}

.btn--primary:hover, .btn--primary:focus-visible {
  background: var(--green);
  border-color: var(--green);
}

.btn--secondary {
  background: var(--white);
  border-color: var(--black);
  color: var(--black);
}

.btn--secondary:hover, .btn--secondary:focus-visible {
  background: var(--green);
  border-color: var(--green);
  color: var(--white);
}

.btn--block {
  width: 100%;
}

.btn--lg {
  padding: 1.2rem 2rem;
  font-size: 0.95rem;
}

.btn--accent {
  background: var(--green);
  border-color: var(--green);
  color: var(--white);
}

.btn--accent:hover, .btn--accent:focus-visible {
  background: var(--green-dark);
  border-color: var(--green-dark);
}

.btn--outline {
  background: transparent;
  border-color: var(--black);
  color: var(--black);
}

.btn--outline:hover, .btn--outline:focus-visible {
  background: var(--green);
  border-color: var(--green);
  color: var(--white);
}

.btn--dark {
  background: var(--black);
  border-color: var(--black);
  color: var(--white);
}

.btn--dark:hover, .btn--dark:focus-visible {
  background: var(--green);
  border-color: var(--green);
}

/* ── HEADER & NAVIGATION ── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: transparent;
  border-bottom: 1px solid transparent;
  color: var(--white);
  transition: background-color var(--duration) var(--ease), border-bottom-color var(--duration) var(--ease), color var(--duration) var(--ease);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  border-bottom-color: var(--border);
  backdrop-filter: blur(10px);
}

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 2rem;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 4vw, 3rem);
}

.site-branding {
  display: flex;
  align-items: center;
}

.site-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.site-logo img {
  height: 165px;
  width: auto;
  max-width: 520px;
  object-fit: contain;
  display: block;
}

.site-header:not(.scrolled) .site-logo img {
  filter: brightness(0) invert(1);
}

/* Navigation */
.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}

.nav-list a {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white);
  transition: color var(--duration) var(--ease), transform var(--duration) var(--ease);
}

.site-header.scrolled .nav-list a {
  color: var(--black);
}

.nav-list a:hover,
.nav-list a:focus-visible,
.nav-list a.active {
  color: var(--green);
}

.nav-list a.active {
  position: relative;
}

.nav-list a.active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.5rem;
  height: 2px;
  background: var(--green);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid currentColor;
  border-radius: 4px;
  cursor: pointer;
  color: var(--white);
  transition: color var(--duration) var(--ease);
}

.site-header.scrolled .nav-toggle {
  color: var(--black);
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  position: relative;
  transition: transform var(--duration) var(--ease);
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 2px;
  background: currentColor;
  left: 0;
  transition: transform var(--duration) var(--ease);
}

.nav-toggle span::before {
  top: -7px;
}

.nav-toggle span::after {
  bottom: -7px;
}

.nav-toggle[aria-expanded="true"] span {
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span::before {
  transform: rotate(90deg);
  top: 0;
}

.nav-toggle[aria-expanded="true"] span::after {
  transform: rotate(90deg);
  bottom: 0;
}

/* Mobile overlay */
.mobile-overlay {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration) var(--ease), visibility var(--duration) var(--ease);
  padding: 2rem;
}

.mobile-overlay.open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 100%;
}

.mobile-nav-list a {
  display: block;
  padding: 1.2rem 1.5rem;
  border: 1px solid var(--border);
  text-align: center;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--black);
  transition: all var(--duration) var(--ease);
  border-radius: 0;
}

.mobile-nav-list a:hover, .mobile-nav-list a:focus-visible {
  background: var(--green);
  border-color: var(--green);
  color: var(--white);
}

/* ── HERO SECTION ── */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding-top: calc(var(--header-h) + 1rem);
  padding-bottom: 1rem;
  overflow: hidden;
  background: var(--black);
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg img,
.property-hero__bg img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.55) saturate(0.9);
  transform: scale(1.02);
  animation: heroZoom 12s ease-out forwards;
}

@keyframes heroZoom {
  from { transform: scale(1.08); }
  to { transform: scale(1.02); }
}

.hero__overlay,
.property-hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(to right, rgba(0, 0, 0, 0.88) 0%, rgba(0, 0, 0, 0.62) 50%, rgba(0, 0, 0, 0.35) 100%);
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 950px;
  padding: 4rem 0;
  color: var(--white);
  opacity: 0;
  animation: fadeInHero 1s var(--ease) 0.2s forwards;
}

@keyframes fadeInHero {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero h1 {
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 1.5rem;
}

.hero__content .eyebrow {
  color: var(--gold);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  margin-bottom: 1rem;
}

.gold-dot {
  color: var(--gold);
}

.hero__subtitle {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.9);
  max-width: 720px;
  margin-bottom: 2.5rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  align-items: center;
}

.hero__actions .btn {
  padding: 1.2rem 2.2rem;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  color: var(--white);
  border-color: var(--white);
  background: transparent;
}

.hero__actions .btn--primary {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--black);
}

.hero__actions .btn--primary:hover {
  background: var(--gold-dark);
  border-color: var(--gold-dark);
  color: var(--white);
}

.hero__actions .btn:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--black);
}

.hero--property {
  min-height: clamp(24rem, 65vh, 65vh);
  align-items: flex-end;
  padding-bottom: 4rem;
}

.section--dark {
  background: #111111;
  color: var(--white);
}

.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4,
.section--dark h5,
.section--dark h6,
.section--dark p,
.section--dark a,
.section--dark .eyebrow,
.section--dark .property-hero__desc,
.section--dark .premium-card__desc,
.section--dark .feature-card,
.section--dark .footer-col a {
  color: var(--white);
}

.section--soft {
  background: #FAFAF8;
}

.section--elevated {
  background: #FAFAF8;
  border: 1px solid var(--border);
}

.section-header {
  max-width: 760px;
  margin-bottom: 2rem;
}

.section-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.35rem);
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.02rem;
  color: var(--gray-dark);
}

.section-intro--tight {
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.property-hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  min-height: clamp(32rem, 55vh, 68vh);
  padding-top: var(--header-h);
  padding-bottom: 3rem;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.property-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top left, rgba(255,255,255,0.06), transparent 35%);
  z-index: 1;
}

.property-hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(17, 17, 17, 0.55) 0%, rgba(17, 17, 17, 0.85) 100%);
}

.property-hero__content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.property-hero__desc {
  max-width: 680px;
  margin-top: 1rem;
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.9);
}

.available-grid,
.premium-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
  margin-top: 2.5rem;
}

.premium-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 14px 40px rgba(17, 17, 17, 0.06);
  transition: transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease), border-color var(--duration) var(--ease);
}

.premium-card:hover,
.premium-card:focus-within {
  transform: translateY(-4px);
  border-color: var(--green);
  box-shadow: 0 18px 48px rgba(17, 17, 17, 0.1);
}

.premium-card__image {
  position: relative;
  min-height: 260px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.premium-card__badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.94);
  color: var(--black);
}

.badge--available {
  background: var(--green);
  color: var(--white);
}

.badge--leased {
  background: #222;
  color: var(--white);
}

.premium-card__body {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 2rem;
}

.premium-card__category {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green);
}

.premium-card__title {
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.2;
  margin: 0;
  color: var(--black);
}

.premium-card__desc {
  margin: 0;
  color: var(--gray-dark);
  line-height: 1.8;
}

.premium-card__info {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--black);
}

.premium-card__info span {
  display: inline-flex;
  align-items: center;
}

.premium-card__features {
  display: grid;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.premium-card__features li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: var(--gray-dark);
  font-size: 0.95rem;
}

.premium-card__features li::before {
  content: '•';
  color: var(--green);
  font-size: 1rem;
  line-height: 1;
}

.btn--gold {
  background: var(--green);
  border-color: var(--green);
  color: var(--white);
}

.btn--gold:hover,
.btn--gold:focus-visible {
  background: var(--green-dark);
  border-color: var(--green-dark);
  color: var(--white);
}

.btn--white {
  background: var(--white);
  border-color: var(--border);
  color: var(--black);
}

.btn--white:hover,
.btn--white:focus-visible {
  background: var(--green);
  border-color: var(--green);
  color: var(--white);
}

.closing-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
  margin-top: 2.5rem;
}

.closing-card {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: 2rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: 0 12px 32px rgba(17, 17, 17, 0.05);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
}

.about-column--image {
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-image {
  width: 100%;
  height: auto;
  border-radius: 24px;
  object-fit: cover;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.feature-card {
  padding: 2rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 24px;
  min-height: 220px;
  box-shadow: 0 10px 28px rgba(17, 17, 17, 0.04);
}

.contact-section-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 3rem;
}

.contact-item h3,
.contact-item h4 {
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--black);
}

.contact-item p {
  margin: 0;
  color: var(--gray-dark);
  line-height: 1.8;
}

.contact-form-wrapper {
  padding: 2rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: 0 12px 32px rgba(17, 17, 17, 0.05);
}

.form-panel {
  max-width: 600px;
  margin: 0 auto;
}

.section-panel {
  max-width: 900px;
  margin: 0 auto;
}

.grid-two {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
}

.promo-panel {
  padding: 2rem;
  background: #FAFAF8;
  border: 1px solid var(--border);
  border-radius: 24px;
}

.form-notice {
  margin-top: 2rem;
  padding: 1.5rem;
  background: #FAFAFA;
  border: 1px solid #E0E0E0;
  border-radius: 20px;
  text-align: center;
}

.form-notice--success p:first-child {
  color: var(--green);
  font-weight: 600;
}

.form-notice--error p:first-child {
  color: #D32F2F;
  font-weight: 600;
}

.form-notice p {
  margin: 0.5rem 0 0;
  color: var(--gray-dark);
}

.form-notice {
  margin-top: 2rem;
  padding: 1.5rem;
  background: #FAFAFA;
  border: 1px solid #E0E0E0;
  border-radius: 20px;
  text-align: center;
}

.form-notice--success p:first-child {
  color: var(--green);
}

.form-notice--error p:first-child {
  color: #D32F2F;
}

@media (max-width: 1024px) {
  .available-grid,
  .premium-cards,
  .closing-grid,
  .about-grid,
  .features-grid,
  .contact-section-grid,
  .grid-two,
  .properties-grid,
  .spaces-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hero {
    min-height: 55vh;
  }

  .property-hero {
    min-height: 50vh;
    padding-bottom: 2rem;
  }

  .premium-card,
  .feature-card,
  .closing-card,
  .contact-form-wrapper {
    border-radius: 20px;
  }

  .section {
    padding: clamp(3rem, 6vw, 5rem) 0;
  }
}

@media (max-width: 430px) {
  .btn,
  .btn--block {
    width: 100%;
  }

  .property-hero {
    min-height: 45vh;
    padding-bottom: 1.5rem;
  }

  .hero h1,
  .hero__subtitle {
    margin-bottom: 1rem;
  }

  .section {
    padding: 2.5rem 0;
  }
}

.section--tight {
  padding: clamp(1.5rem, 3vw, 2.5rem) 0;
}

/* ── PROPERTY CARDS ── */
.properties-section {
  background: var(--white);
}

.properties-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 1.5rem;
}

.properties-section {
  background: var(--white);
  padding-top: 0;
}

.properties-section--overlap {
  background: transparent;
  margin-top: -6rem;
  position: relative;
  z-index: 2;
  padding-bottom: clamp(3rem, 6vw, 4.5rem);
}

@media (max-width: 768px) {
  .properties-section--overlap {
    margin-top: -4rem;
  }
}

.property-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 24px;
  overflow: hidden;
  transition: transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease), border-color var(--duration) var(--ease);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.16);
}

.property-card:hover {
  transform: translateY(-4px);
  border-color: var(--green);
  box-shadow: 0 18px 46px rgba(17, 17, 17, 0.1);
}

.property-card:hover {
  border-color: var(--green);
  transform: translateY(-4px);
  box-shadow: 0 18px 48px rgba(17, 17, 17, 0.08);
}

.property-card__image {
  aspect-ratio: 16 / 12;
  overflow: hidden;
  background: #F0F0F0;
  border-bottom: 1px solid var(--border);
}

.property-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}

.property-card:hover .property-card__image img {
  transform: scale(1.08);
}

.property-card__content {
  padding: 2rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.property-card__address {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--black);
  line-height: 1.25;
}

.property-card__neighborhood {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
}

.property-card__desc {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--gray-dark);
  margin: 0;
}

.property-card__btn {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.property-card__btn::after {
  content: '→';
  transition: transform var(--duration) var(--ease);
}

.property-card:hover .property-card__btn::after {
  transform: translateX(4px);
}

/* ── CARD IMAGE SLIDER ── */
.card-slider {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #F0F0F0;
}

.card-slider__track {
  display: flex;
  height: 100%;
  transition: transform 0.5s var(--ease);
  will-change: transform;
}

.card-slider__slide {
  flex: 0 0 100%;
  height: 100%;
}

.card-slider__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.property-card:hover .card-slider__slide img,
.space-card:hover .card-slider__slide img {
  transform: none;
}

.card-slider__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.88);
  color: var(--black);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.25s var(--ease), background-color 0.25s var(--ease), color 0.25s var(--ease);
  box-shadow: 0 4px 12px rgba(17, 17, 17, 0.12);
}

.card-slider:hover .card-slider__arrow,
.card-slider:focus-within .card-slider__arrow {
  opacity: 1;
}

.card-slider__arrow:hover,
.card-slider__arrow:focus-visible {
  background: var(--green);
  color: var(--white);
}

.card-slider__arrow--prev {
  left: 0.75rem;
}

.card-slider__arrow--next {
  right: 0.75rem;
}

.card-slider__dots {
  position: absolute;
  bottom: 0.75rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  gap: 0.4rem;
}

.card-slider__dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.65);
  cursor: pointer;
  transition: background-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.card-slider__dot.is-active {
  background: var(--green);
  transform: scale(1.25);
}

@media (max-width: 1024px) {
  .card-slider__arrow {
    opacity: 1;
    width: 32px;
    height: 32px;
    font-size: 1.1rem;
  }
}

/* ── SPACES GRID ── */
.spaces-section {
  background: var(--white);
}

.spaces-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  margin-top: 2rem;
}

.spaces-grid:has(> .space-card:only-child) {
  grid-template-columns: minmax(0, 420px);
  justify-content: center;
}

.spaces-grid:has(> .space-card:nth-child(2):last-child) {
  grid-template-columns: repeat(2, minmax(0, 420px));
  justify-content: center;
}

.space-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 24px;
  overflow: hidden;
  transition: all var(--duration) var(--ease);
  box-shadow: 0 10px 36px rgba(17, 17, 17, 0.04);
}

.space-card:hover {
  border-color: var(--green);
  transform: translateY(-4px);
  box-shadow: 0 18px 48px rgba(17, 17, 17, 0.08);
}

.space-card__image {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #F0F0F0;
  border-bottom: 1px solid var(--border);
}

.space-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}

.space-card:hover .space-card__image img {
  transform: scale(1.05);
}

.space-card__content {
  padding: 2rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.space-card__type {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green);
}

.space-card__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--black);
}

.space-card__address {
  font-size: 0.85rem;
  color: var(--gray-dark);
}

.space-card__description {
  font-size: 0.95rem;
  color: var(--gray-dark);
  line-height: 1.6;
  margin: 0.5rem 0 0 0;
}

.space-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.space-card__meta span {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.7rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--black);
}

.space-card__amenities {
  display: grid;
  gap: 0.35rem;
  margin: 0.5rem 0 0.25rem;
}

.space-card__amenities li {
  font-size: 0.9rem;
  color: var(--gray-dark);
  padding-left: 0.85rem;
  position: relative;
}

.space-card__amenities li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--green);
}

.space-card__btn {
  margin-top: auto;
}

/* ── LISTING PAGE ── */
.listing-section {
  background: var(--white);
}

.section-intro {
  max-width: 760px;
  margin-bottom: 1.75rem;
}

.section-intro--tight {
  margin-bottom: 1.25rem;
}

.section-intro h2 {
  font-size: clamp(1.8rem, 2.6vw, 2.15rem);
  margin-bottom: 0.75rem;
}

.section-intro p {
  font-size: 1.02rem;
  color: var(--gray-dark);
}

.listing-hero {
  background: #F5F5F5;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  margin-bottom: 3rem;
  border: 1px solid var(--border);
}

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

.listing-gallery,
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.listing-gallery__item,
.gallery-card {
  aspect-ratio: 1;
  overflow: hidden;
  background: #F0F0F0;
  border: 1px solid var(--border);
  border-radius: 20px;
}

.gallery-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}

.gallery-card:hover img {
  transform: scale(1.05);
}

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

.listing-map {
  width: 100%;
  min-height: 320px;
  border-radius: 24px;
  border: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(77, 124, 90, 0.12), rgba(17, 17, 17, 0.05));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--black);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
  padding: 2rem;
}

.listing-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

.listing-details {
  display: grid;
  gap: 2rem;
}

.listing-details h2 {
  font-size: 1.5rem;
  margin-bottom: 0;
}

.listing-info {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  padding: 2rem;
  background: #FAFAFA;
  border: 1px solid var(--border);
}

.listing-info__item h4 {
  font-size: 0.75rem;
  margin-bottom: 0.5rem;
}

.listing-info__item p {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--black);
  margin: 0;
}

.listing-sidebar {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.listing-amenities h3 {
  font-size: 1.125rem;
}

.listing-amenities ul {
  display: grid;
  gap: 0.75rem;
  list-style: none;
}

.listing-amenities li {
  font-size: 0.95rem;
  color: var(--gray-dark);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.listing-amenities li::before {
  content: '✓';
  color: var(--green);
  font-weight: bold;
}

.listing-map {
  width: 100%;
  height: 400px;
  border: 1px solid var(--border);
  margin-bottom: 2rem;
}

.listing-cta {
  padding: 2rem;
  background: #FAFAFA;
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: flex-start;
}

.listing-cta .btn {
  width: 100%;
}

/* ── FOOTER ── */
.site-footer {
  background: var(--white);
  border-top: 1px solid var(--border);
  padding: 4rem 0 2rem;
  margin-top: 5rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3rem;
}

.footer-brand h3 {
  font-size: 1rem;
  margin-bottom: 1rem;
}

.footer-brand p {
  font-size: 0.95rem;
  color: var(--gray-dark);
  line-height: 1.7;
}

.footer-col h4 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
  color: var(--black);
}

.footer-col p {
  font-size: 0.95rem;
  color: var(--gray-dark);
  margin-bottom: 0.5rem;
}

.footer-col a {
  color: var(--gray-dark);
  transition: color var(--duration) var(--ease);
}

.footer-col a:hover {
  color: var(--green);
}

.footer-bottom {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--gray-light);
  text-align: center;
}

/* ── FORMS ── */
.form-group {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--black);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 1rem;
  border: 1px solid var(--border);
  background: var(--white);
  color: var(--black);
  font-size: 0.95rem;
  transition: all var(--duration) var(--ease);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: inset 0 0 0 1px var(--green);
}

.form-group textarea {
  resize: vertical;
  min-height: 150px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

/* ── UTILITY CLASSES ── */
.text-center {
  text-align: center;
}

.mb-2 {
  margin-bottom: 2rem;
}

.mt-2 {
  margin-top: 2rem;
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.6s var(--ease) forwards;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── RESPONSIVE DESIGN ── */

/* Tablet: 1024px */
@media (max-width: 1024px) {
  .properties-grid,
  .spaces-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .listing-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-content {
    grid-template-columns: 1fr 1fr;
  }

  .nav-toggle {
    display: flex;
  }

  .main-nav {
    display: none;
  }

  .header-inner {
    grid-template-columns: auto 1fr auto;
  }

  .nav-toggle {
    justify-self: end;
  }

  .listing-gallery {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Tablet: 768px */
@media (max-width: 768px) {
  :root {
    --header-h: 70px;
  }

  .header-inner {
    padding: 0 1rem;
  }

  .nav-toggle {
    justify-self: end;
    margin-right: -0.5rem;
  }

  .hero {
    min-height: 60vh;
    padding-top: var(--header-h);
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero__subtitle {
    font-size: 0.95rem;
  }

  .properties-grid,
  .spaces-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .property-card__content,
  .space-card__content {
    padding: 1.5rem;
  }

  .listing-info {
    grid-template-columns: 1fr;
  }

  .listing-gallery {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.25rem;
  }
}

/* Mobile: 430px and below */
@media (max-width: 430px) {
  :root {
    --header-h: 70px;
  }

  .container {
    padding: 0 1rem;
  }

  .section {
    padding: 3rem 0;
  }

  .hero {
    min-height: 50vh;
    padding-top: var(--header-h);
  }

  .hero h1 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
  }

  .hero__subtitle {
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
  }

  .hero__actions {
    flex-direction: column;
    gap: 0.75rem;
  }

  .btn {
    padding: 0.9rem 1.2rem;
    font-size: 0.8rem;
    width: 100%;
  }

  .properties-grid,
  .spaces-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .property-card__image,
  .space-card__image {
    aspect-ratio: 16 / 12;
  }

  .property-card__content,
  .space-card__content {
    padding: 1.2rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .listing-grid {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 1.625rem;
    margin-bottom: 1rem;
  }

  h2 {
    font-size: 1.1rem;
  }

  .site-logo img {
    height: 60px;
    max-width: 300px;
  }

  .nav-list {
    gap: 1.5rem;
  }

  .listing-info {
    grid-template-columns: 1fr;
    padding: 1.2rem;
  }

  .listing-map {
    height: 300px;
  }
}

/* ============================================================
   CLIENT-REQUESTED ENHANCEMENTS
   ============================================================ */

/* ── BREADCRUMBS ── */
.property-breadcrumbs {
  padding: 1rem 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.property-breadcrumbs ol {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  list-style: none;
  font-size: 0.8rem;
  color: var(--gray-dark);
}

.property-breadcrumbs li:not(:last-child)::after {
  content: '/';
  margin-left: 0.75rem;
  color: var(--border);
}

.property-breadcrumbs a {
  color: var(--gray-dark);
  transition: color var(--duration) var(--ease);
}

.property-breadcrumbs a:hover {
  color: var(--gold);
}

/* ── STICKY SCHEDULE TOUR BUTTON ── */
.sticky-tour-btn {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 998;
  padding: 1rem 1.75rem;
  background: var(--gold);
  border: 1px solid var(--gold);
  color: var(--black);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 999px;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.2);
  transition: all var(--duration) var(--ease);
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
}

.sticky-tour-btn.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.sticky-tour-btn:hover {
  background: var(--gold-dark);
  border-color: var(--gold-dark);
  color: var(--white);
}

/* ── CTA BEFORE FOOTER ── */
.cta-before-footer {
  padding: clamp(4rem, 7vw, 6rem) 0;
  background: var(--black);
  color: var(--white);
  text-align: center;
}

.cta-before-footer h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.75rem);
  color: var(--white);
  margin-bottom: 1rem;
}

.cta-before-footer p {
  color: rgba(255, 255, 255, 0.8);
  max-width: 620px;
  margin: 0 auto 2rem;
}

.cta-before-footer .btn--primary {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--black);
}

.cta-before-footer .btn--primary:hover {
  background: var(--gold-dark);
  border-color: var(--gold-dark);
  color: var(--white);
}

/* ── LIGHTBOX ── */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.94);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration) var(--ease), visibility var(--duration) var(--ease);
}

.lightbox.open {
  opacity: 1;
  visibility: visible;
}

.lightbox__img {
  max-width: 92vw;
  max-height: 88vh;
  object-fit: contain;
  border-radius: 8px;
  transform: scale(0.96);
  transition: transform var(--duration) var(--ease);
}

.lightbox.open .lightbox__img {
  transform: scale(1);
}

.lightbox__close,
.lightbox__prev,
.lightbox__next {
  position: absolute;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: var(--white);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--duration) var(--ease);
  font-size: 1.25rem;
}

.lightbox__close:hover,
.lightbox__prev:hover,
.lightbox__next:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--black);
}

.lightbox__close {
  top: 1.5rem;
  right: 1.5rem;
}

.lightbox__prev {
  left: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox__next {
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
}

.gallery-card,
.listing-gallery__item,
.space-gallery__item {
  cursor: pointer;
}

/* ── SCROLL REVEAL ── */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── SECTION DIVIDERS ── */
.section-divider {
  width: 60px;
  height: 2px;
  background: var(--gold);
  margin: 1rem 0 1.5rem;
}

.section-divider--center {
  margin-left: auto;
  margin-right: auto;
}

/* ── 1417 URGENCY LAYOUT ── */
.urgency-banner {
  padding: 1.25rem 1.5rem;
  background: rgba(201, 169, 98, 0.12);
  border: 1px solid rgba(201, 169, 98, 0.35);
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gold-dark);
  margin-bottom: 1.5rem;
}

.urgency-banner::before {
  content: '';
  width: 10px;
  height: 10px;
  background: var(--gold);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.15); }
}

.building-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.summary-card {
  padding: 1.75rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 20px;
  text-align: center;
  box-shadow: 0 10px 28px rgba(17, 17, 17, 0.04);
}

.summary-card__value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.summary-card__label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--black);
}

/* ── 838 W GRAND BROCHURE LAYOUT ── */
.brochure-section {
  padding: clamp(4rem, 7vw, 6rem) 0;
}

.brochure-section--light {
  background: var(--surface);
}

.brochure-section--white {
  background: var(--white);
}

.brochure-section--dark {
  background: var(--black);
  color: var(--white);
}

.brochure-section--dark h2,
.brochure-section--dark h3,
.brochure-section--dark p {
  color: var(--white);
}

.brochure-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4rem;
  align-items: center;
}

.brochure-grid--reverse .brochure-media {
  order: 2;
}

.brochure-media img {
  width: 100%;
  height: auto;
  border-radius: 24px;
  box-shadow: 0 20px 50px rgba(17, 17, 17, 0.1);
}

.highlights-list {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.highlights-list li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  font-size: 1rem;
  color: var(--gray-dark);
}

.highlights-list li::before {
  content: '✓';
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: rgba(201, 169, 98, 0.15);
  color: var(--gold);
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

.transit-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.transit-card {
  padding: 1.5rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
}

.transit-card h4 {
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
  color: var(--gold);
}

.transit-card p {
  margin: 0;
  font-size: 0.95rem;
}

.map-embed {
  width: 100%;
  height: 420px;
  border: 1px solid var(--border);
  border-radius: 24px;
  overflow: hidden;
}

.map-embed iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.space-gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.space-gallery__item {
  aspect-ratio: 1;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.space-gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}

.space-gallery__item:hover img {
  transform: scale(1.08);
}

.floorplan-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

.floorplan-card {
  padding: 2rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 20px;
  text-align: center;
}

.floorplan-placeholder {
  aspect-ratio: 4 / 3;
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-dark);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

/* ── FORM IMPROVEMENTS ── */
.contact-form {
  padding: clamp(2rem, 5vw, 3rem);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: 0 14px 40px rgba(17, 17, 17, 0.06);
}

.form-group input,
.form-group textarea,
.form-group select {
  padding: 1.1rem 1.25rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--white);
  font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201, 169, 98, 0.15);
}

.form-group label {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--black);
}

.form__loader {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: var(--white);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-right: 0.5rem;
  vertical-align: middle;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.form-notice {
  padding: 1.5rem;
  border-radius: 16px;
  text-align: center;
}

.form-notice--success {
  background: rgba(201, 169, 98, 0.12);
  border: 1px solid rgba(201, 169, 98, 0.3);
}

.form-notice--success p:first-child {
  color: var(--gold-dark);
}

/* ── RESPONSIVE ENHANCEMENTS ── */
@media (max-width: 1024px) {
  .building-summary,
  .transit-list,
  .space-gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .brochure-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .brochure-grid--reverse .brochure-media {
    order: 0;
  }

  .floorplan-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hero {
    min-height: 85vh;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .building-summary,
  .transit-list,
  .space-gallery-grid {
    grid-template-columns: 1fr;
  }

  .sticky-tour-btn {
    right: 1rem;
    bottom: 1rem;
    padding: 0.9rem 1.4rem;
    font-size: 0.75rem;
  }

  .lightbox__prev,
  .lightbox__next {
    display: none;
  }
}

@media (max-width: 430px) {
  .hero {
    min-height: 80vh;
  }

  .hero__actions .btn {
    width: 100%;
  }
}