/* ==========================================================
   Colin & Rachel | Real Estate · Architecture
   styles.css — Complete site styles
   ========================================================== */

/* ----------------------------------------------------------
   CSS Custom Properties (Design Tokens)
   ---------------------------------------------------------- */
:root {
  --navy:      #1E2C3A;
  --navy-mid:  #253444;
  --gold:      #9A8560;
  --gold-light: #BCA887;
  --gold-pale:  #E8E0D4;
  --white:     #FFFFFF;
  --off-white: #F5F1EB;
  --gray-100:  #EAE5DE;
  --gray-300:  #C5BEB4;
  --gray-500:  #8A8580;
  --gray-700:  #4A4744;

  --font-heading: 'DM Sans', 'Inter', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, -apple-system, sans-serif;

  --nav-height: 76px;
  --container-max: 1160px;
  --section-pad: 130px;

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  14px;

  --shadow-card: none;
  --shadow-card-hover: none;

  --transition-fast:   0.18s ease;
  --transition-medium: 0.30s ease;
  --transition-slow:   0.50s ease;
}

/* ----------------------------------------------------------
   Reset & Base
   ---------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.7;
  color: var(--navy);
  background: var(--off-white);
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ----------------------------------------------------------
   Typography Utilities
   ---------------------------------------------------------- */
.section-eyebrow {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}

.eyebrow-light {
  color: var(--gold-light);
}

.section-heading {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--navy);
  margin-bottom: 20px;
}

.heading-light {
  color: var(--white);
}

.section-sub {
  font-size: 1.05rem;
  color: var(--gray-500);
  margin-bottom: 52px;
  max-width: 620px;
}

.sub-light {
  color: var(--gold-light);
  opacity: 0.85;
}

/* ----------------------------------------------------------
   Container
   ---------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ----------------------------------------------------------
   Buttons
   ---------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  transition: all var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
}

.btn-gold {
  background: var(--gold);
  color: var(--navy);
  border: 2px solid var(--gold);
}

.btn-gold:hover,
.btn-gold:focus-visible {
  background: var(--gold-light);
  border-color: var(--gold-light);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(154, 133, 96, 0.35);
}

.btn-outline-gold {
  background: transparent;
  color: var(--gold);
  border: 2px solid var(--gold);
}

.btn-outline-gold:hover,
.btn-outline-gold:focus-visible {
  background: rgba(154, 133, 96, 0.12);
  transform: translateY(-1px);
}

.btn-linkedin {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 500;
  margin-bottom: 16px;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.btn-linkedin:hover,
.btn-linkedin:focus-visible {
  background: #253444;
  transform: translateY(-1px);
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* Focus visible outlines for accessibility */
:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

/* ----------------------------------------------------------
   Section base
   ---------------------------------------------------------- */
.section {
  padding: var(--section-pad) 0;
}

/* ----------------------------------------------------------
   Navigation
   ---------------------------------------------------------- */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  transition: background var(--transition-medium), box-shadow var(--transition-medium);
  /* Transparent by default */
  background: transparent;
}

.site-nav.scrolled {
  background: var(--white);
  box-shadow: 0 1px 0 var(--gray-100), 0 4px 24px rgba(30, 44, 58, 0.07);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.nav-brand {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  text-decoration: none;
}

.brand-primary {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--navy);
  letter-spacing: 0.01em;
}

.brand-secondary {
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--gray-500);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--navy);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
  letter-spacing: 0.02em;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 3px;
  left: 14px;
  right: 14px;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.25s ease;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--gold);
}

.nav-link:hover::after,
.nav-link:focus-visible::after,
.nav-link--active::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Nav CTA button */
.nav-cta {
  background: var(--gold);
  color: var(--navy) !important;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  margin-left: 8px;
}

.nav-cta:hover,
.nav-cta:focus-visible {
  background: var(--gold-light);
  color: var(--navy) !important;
  transform: translateY(-1px);
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.nav-hamburger:hover {
  background: rgba(30, 44, 58, 0.07);
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: transform var(--transition-medium), opacity var(--transition-medium);
  transform-origin: center;
}

/* Hamburger open state */
.nav-hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-hamburger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ----------------------------------------------------------
   Hero
   ---------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--nav-height) + 40px) 24px 80px;
  overflow: hidden;

  background-color: var(--off-white);
}

/* No overlay needed on light hero */
.hero::before {
  display: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(154, 133, 96, 0.10);
  border: 1px solid rgba(154, 133, 96, 0.28);
  color: var(--gray-700);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  padding: 7px 16px;
  border-radius: 100px;
  margin-bottom: 40px;
}

.badge-dot {
  width: 7px;
  height: 7px;
  background: var(--gold);
  border-radius: 50%;
  flex-shrink: 0;
}

.hero-headline {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(4rem, 11vw, 8.5rem);
  line-height: 1.0;
  margin-bottom: 32px;
  letter-spacing: -0.02em;
}

.headline-white {
  color: var(--navy);
  display: block;
}

.headline-gold {
  color: var(--gold);
  display: block;
}

.hero-sub {
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  color: var(--gray-700);
  line-height: 1.7;
  margin-bottom: 44px;
  font-weight: 400;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Scroll indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: var(--gray-300);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  z-index: 1;
  animation: scrollBounce 2.2s ease-in-out infinite;
}

.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  margin-top: -4px;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.4; }
  50%       { transform: translateX(-50%) translateY(6px); opacity: 0.7; }
}

/* ----------------------------------------------------------
   About Section
   ---------------------------------------------------------- */
.about-section {
  background: var(--off-white);
}

.about-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-bottom: 64px;
}

.about-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--gray-100);
  transition: border-color var(--transition-medium), transform var(--transition-medium);
}

.about-card:hover {
  border-color: var(--gray-300);
  transform: translateY(-3px);
}

/* Photo area */
.card-photo-wrap {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: var(--navy);
  overflow: hidden;
  position: relative;
}

.card-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform 0.4s ease;
}

.about-card:hover .card-photo {
  transform: scale(1.03);
}

/* Fallback initials circle */
.card-photo-fallback {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--navy);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 3.5rem;
  color: var(--gold);
  letter-spacing: 0.05em;
}

.card-body {
  padding: 32px;
}

.card-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.6rem;
  color: var(--navy);
  margin-bottom: 4px;
}

.card-title {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.card-bio {
  font-size: 0.95rem;
  color: var(--gray-700);
  line-height: 1.75;
  margin-bottom: 20px;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.tag {
  background: rgba(30, 44, 58, 0.07);
  color: var(--navy);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
  letter-spacing: 0.04em;
  border: 1px solid rgba(30, 44, 58, 0.12);
}

.card-dre {
  font-size: 0.75rem;
  color: var(--gray-500);
  font-weight: 500;
  letter-spacing: 0.04em;
}

/* Bilingual Banner */
.bilingual-banner {
  border-left: 4px solid var(--gold);
  background: var(--white);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 28px 36px;
  border: 1px solid var(--gray-100);
  border-left: 4px solid var(--gold);
}

.bilingual-banner-inner p {
  font-size: 1rem;
  color: var(--navy);
  line-height: 1.75;
}

.bilingual-banner-inner strong {
  color: var(--navy);
}

/* ----------------------------------------------------------
   Services Section
   ---------------------------------------------------------- */
.services-section {
  background: var(--navy);
  position: relative;
  overflow: hidden;
}

/* Section depth separator */
.services-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(30, 44, 58, 0) 0%, rgba(30, 44, 58, 0.08) 100%);
  pointer-events: none;
}

.services-section .container {
  position: relative;
  z-index: 1;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 72px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 40px 36px;
  border: 1px solid rgba(255,255,255,0.06);
  transition: transform var(--transition-medium), border-color var(--transition-medium);
  position: relative;
  overflow: hidden;
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: rgba(154, 133, 96, 0.25);
}

/* Featured card — gold border accent */
.service-card--featured {
  border-top: 4px solid var(--gold);
  transform: translateY(-6px);
}

.service-card--featured:hover {
  transform: translateY(-10px);
}

.service-featured-label {
  position: absolute;
  top: 12px;
  right: 16px;
  background: var(--gold);
  color: var(--navy);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 100px;
}

.service-icon {
  margin-bottom: 20px;
  width: 44px;
  height: 44px;
}

.service-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--navy);
  margin-bottom: 10px;
}

.service-lead {
  font-size: 0.9rem;
  color: var(--gray-700);
  line-height: 1.6;
  margin-bottom: 20px;
}

.service-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-list li {
  font-size: 0.875rem;
  color: var(--gray-700);
  padding-left: 18px;
  position: relative;
  line-height: 1.5;
}

.service-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 7px;
  border: 2px solid var(--gold);
  border-radius: 50%;
}

.services-cta-wrap {
  text-align: center;
  padding-top: 8px;
}

.services-cta-text {
  color: var(--gold-light);
  font-size: 1rem;
  margin-bottom: 20px;
  opacity: 0.85;
}

/* ----------------------------------------------------------
   Portfolio Section
   ---------------------------------------------------------- */
.portfolio-section {
  background: var(--off-white);
}

/* Filter buttons */
.portfolio-filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.filter-btn {
  padding: 9px 20px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  border: 2px solid var(--navy);
  color: var(--navy);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  letter-spacing: 0.02em;
}

.filter-btn:hover {
  background: rgba(30, 44, 58, 0.07);
}

.filter-btn--active {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--navy);
}

.filter-btn--active:hover {
  background: var(--gold-light);
  border-color: var(--gold-light);
}

/* Map */
.map-wrap {
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 56px;
  border: 1px solid var(--gray-100);
}

#portfolio-map {
  height: 400px;
  width: 100%;
  background: var(--off-white);
}

/* Google Maps InfoWindow custom styling */
.gm-style .gm-style-iw-c {
  border-radius: var(--radius-sm) !important;
  box-shadow: 0 2px 16px rgba(30, 44, 58, 0.14) !important;
  padding: 16px 20px !important;
}

.gm-style .gm-style-iw-d {
  overflow: hidden !important;
}

.gm-style .gm-style-iw-t::after {
  box-shadow: none !important;
}

.map-popup-name {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 2px;
}

.map-popup-city {
  font-size: 0.78rem;
  color: var(--gray-500);
  margin-bottom: 5px;
}

.map-popup-type {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gold);
}

/* Project grid */
.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.project-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 28px 30px;
  border: 1px solid var(--gray-100);
  transition:
    opacity var(--transition-medium),
    transform var(--transition-medium),
    border-color var(--transition-medium);
}

.project-card:hover {
  border-color: var(--gray-300);
  transform: translateY(-2px);
}

/* Filtered-out state */
.project-card.hidden {
  opacity: 0;
  transform: scale(0.95) translateY(10px);
  pointer-events: none;
  position: absolute;
  visibility: hidden;
}

/* Wrapper needed for grid re-flow */
.project-grid {
  position: relative;
}

/* Project badges */
.project-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 100px;
  margin-bottom: 12px;
}

.badge-sfh {
  background: var(--gold);
  color: var(--navy);
}

.badge-commercial {
  background: var(--navy);
  color: var(--white);
}

/* Development badge: gold left half / navy right half */
.badge-development {
  background: linear-gradient(90deg, var(--gold) 50%, var(--navy) 50%);
  color: var(--navy);
  position: relative;
  overflow: hidden;
}

/* Since text needs to be readable on both halves, use white for development */
.badge-development {
  color: var(--white);
  background: linear-gradient(90deg, var(--navy) 0%, var(--gold) 100%);
}

.project-name {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 4px;
}

.project-location {
  font-size: 0.8rem;
  color: var(--gold);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.project-desc {
  font-size: 0.875rem;
  color: var(--gray-700);
  line-height: 1.65;
}

/* ----------------------------------------------------------
   Insights / Blog Section
   ---------------------------------------------------------- */
.insights-section {
  background: var(--navy);
  position: relative;
  overflow: hidden;
}

.insights-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(30, 44, 58, 0.06) 0%, rgba(30, 44, 58, 0) 100%);
  pointer-events: none;
}

.insights-section .container {
  position: relative;
  z-index: 1;
}

.insights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.insight-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 36px;
  border: 1px solid rgba(255,255,255,0.06);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-medium), border-color var(--transition-medium);
}

.insight-card:hover {
  transform: translateY(-3px);
  border-color: rgba(154, 133, 96, 0.25);
}

.insight-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 100px;
  margin-bottom: 16px;
  width: fit-content;
}

.tag-realestate {
  background: rgba(154, 133, 96, 0.15);
  color: #7A6A4A;
  border: 1px solid rgba(154, 133, 96, 0.4);
}

.tag-architecture {
  background: rgba(30, 44, 58, 0.07);
  color: var(--navy);
  border: 1px solid rgba(30, 44, 58, 0.18);
}

.tag-homevalue {
  background: rgba(154, 133, 96, 0.25);
  color: #5E4E30;
  border: 1px solid rgba(154, 133, 96, 0.5);
}

.insight-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.35;
  margin-bottom: 12px;
  flex: 1;
}

.insight-excerpt {
  font-size: 0.88rem;
  color: var(--gray-700);
  line-height: 1.7;
  margin-bottom: 24px;
}

.insight-footer {
  margin-top: auto;
  border-top: 1px solid var(--gray-100);
  padding-top: 16px;
}

.insight-coming-soon {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-300);
  background: var(--off-white);
  padding: 4px 12px;
  border-radius: 100px;
  border: 1px dashed var(--gray-300);
}

/* ----------------------------------------------------------
   Contact Section
   ---------------------------------------------------------- */
.contact-section {
  background: var(--off-white);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-col-heading {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--gold-pale);
}

/* Form Styles */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--navy);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.form-group label span {
  color: var(--gold);
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--navy);
  background: var(--white);
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%231E2C3A' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  cursor: pointer;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(154, 133, 96, 0.15);
  background: var(--white);
}

.form-group textarea {
  resize: vertical;
  min-height: 130px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--gray-300);
}

/* Submit button loading state */
#form-submit-btn.loading {
  opacity: 0.7;
  pointer-events: none;
}

#form-submit-btn.loading::after {
  content: '';
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(10,22,40,0.25);
  border-top-color: var(--navy);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin-left: 8px;
}

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

/* Form success message */
.form-success {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(154, 133, 96, 0.12);
  border: 1.5px solid var(--gold);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  margin-top: 16px;
  font-size: 0.9rem;
  color: var(--navy);
  font-weight: 500;
}

/* Contact Info */
.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 40px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.contact-icon {
  width: 36px;
  height: 36px;
  background: rgba(154, 133, 96, 0.10);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid rgba(154, 133, 96, 0.20);
}

.contact-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 2px;
}

.contact-value {
  font-size: 0.95rem;
  color: var(--navy);
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

/* WeChat box */
.wechat-box {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--gray-100);
}

.wechat-label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.wechat-note {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--gray-500);
}

.wechat-qr-wrap {
  width: 150px;
  height: 150px;
}

.wechat-qr {
  width: 150px;
  height: 150px;
  border-radius: var(--radius-sm);
  object-fit: cover;
}

/* Fallback QR placeholder */
.wechat-qr-fallback {
  width: 150px;
  height: 150px;
  border: 2px dashed var(--gray-300);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  text-align: center;
}

.wechat-qr-fallback span {
  font-size: 0.72rem;
  color: var(--gray-500);
  line-height: 1.5;
}

.wechat-qr-fallback code {
  font-size: 0.7rem;
  background: var(--gray-100);
  padding: 1px 4px;
  border-radius: 3px;
}

/* ----------------------------------------------------------
   Footer
   ---------------------------------------------------------- */
.site-footer {
  background: var(--navy);
}

.footer-main {
  padding: 64px 0 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.footer-names {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 6px;
}

.footer-tagline {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}

.footer-dre {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.03em;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.60);
  transition: color var(--transition-fast);
  width: fit-content;
  position: relative;
}

.footer-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.25s ease;
}

.footer-link:hover {
  color: var(--gold);
}

.footer-link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.footer-social {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-social-link {
  font-size: 0.875rem;
  color: var(--gold-light);
  font-weight: 500;
  transition: color var(--transition-fast), transform var(--transition-fast);
  width: fit-content;
}

.footer-social-link:hover {
  color: var(--gold);
  transform: translateX(3px);
}

.footer-bottom {
  padding: 20px 0;
}

.footer-bottom p {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.30);
  text-align: center;
  letter-spacing: 0.03em;
}

.eho-icon {
  font-size: 0.65rem;
  vertical-align: middle;
  margin-left: 2px;
  opacity: 0.5;
}

/* ----------------------------------------------------------
   Scroll Animation Classes
   ---------------------------------------------------------- */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(48px);
  transition:
    opacity 0.65s ease,
    transform 0.65s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered delays for child items */
.animate-on-scroll:nth-child(2) { transition-delay: 0.10s; }
.animate-on-scroll:nth-child(3) { transition-delay: 0.20s; }
.animate-on-scroll:nth-child(4) { transition-delay: 0.30s; }
.animate-on-scroll:nth-child(5) { transition-delay: 0.38s; }


/* ----------------------------------------------------------
   Responsive — Tablet (max 1024px)
   ---------------------------------------------------------- */
@media (max-width: 1024px) {
  :root {
    --section-pad: 80px;
  }

  .about-cards {
    grid-template-columns: 1fr;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
  }

  .services-grid {
    grid-template-columns: 1fr;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
  }

  .service-card--featured {
    transform: none;
  }

  .service-card--featured:hover {
    transform: translateY(-5px);
  }

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

  .insights-grid {
    grid-template-columns: 1fr;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    row-gap: 40px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

/* ----------------------------------------------------------
   Responsive — Mobile (max 768px)
   ---------------------------------------------------------- */
@media (max-width: 768px) {
  :root {
    --section-pad: 64px;
    --nav-height: 64px;
  }

  /* Nav hamburger */
  .nav-hamburger {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--navy);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px 24px;
    gap: 4px;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-medium), opacity var(--transition-medium);
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
    z-index: 999;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-link {
    padding: 12px 16px;
    font-size: 1rem;
    border-radius: var(--radius-sm);
    color: rgba(255,255,255,0.85);
  }

  .nav-cta {
    margin-left: 0;
    margin-top: 8px;
    text-align: center;
    justify-content: center;
  }

  /* Hero */
  .hero-headline {
    font-size: clamp(2.8rem, 12vw, 4.5rem);
  }

  .hero-ctas {
    flex-direction: column;
    align-items: center;
  }

  .hero-ctas .btn {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }

  /* Cards */
  .card-photo-wrap {
    aspect-ratio: 16 / 9;
  }

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

  /* Projects */
  .project-grid {
    grid-template-columns: 1fr;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-brand {
    grid-column: auto;
  }

  /* Portfolio filters */
  .portfolio-filters {
    gap: 8px;
  }

  .filter-btn {
    font-size: 0.8rem;
    padding: 8px 14px;
  }

  /* Section sub text — remove br tags effect */
  .section-sub br {
    display: none;
  }

  .hero-sub br {
    display: none;
  }
}

/* ----------------------------------------------------------
   Responsive — Small Mobile (max 480px)
   ---------------------------------------------------------- */
@media (max-width: 480px) {
  :root {
    --section-pad: 52px;
  }

  .card-body {
    padding: 24px 20px;
  }

  .bilingual-banner {
    padding: 20px 24px;
  }

  .service-card {
    padding: 28px 24px;
  }

  .insight-card {
    padding: 24px;
  }

  .brand-secondary {
    display: none;
  }

  #portfolio-map {
    height: 300px;
  }
}

/* ----------------------------------------------------------
   Print (basic)
   ---------------------------------------------------------- */
@media print {
  .site-nav,
  .hero-scroll-indicator,
  .nav-hamburger,
  #portfolio-map {
    display: none;
  }

  .hero {
    min-height: auto;
    padding: 40px 24px;
    background: var(--navy) !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
}