/* ============================================
   Alfropteltd.com — Modern Multi-Page Site
   Singapore | Clean, professional, image-rich
   ============================================ */

:root {
  --color-navy: #0c2340;
  --color-navy-light: #1a3a5c;
  --color-navy-dark: #061528;
  --color-white: #ffffff;
  --color-gray-50: #fafbfc;
  --color-gray-100: #f0f2f5;
  --color-gray-200: #e4e7ec;
  --color-gray-300: #c8cdd6;
  --color-gray-500: #6b7280;
  --color-gray-700: #374151;
  --color-gray-900: #111827;
  --color-accent: #ea580c;
  --color-accent-hover: #c2410c;
  --color-accent-light: #fed7aa;
  --color-error: #dc2626;
  --font-sans: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-size-base: 1rem;
  --line-height: 1.65;
  --spacing-unit: 1rem;
  --container-max: 1140px;
  --header-height: 76px;
  --transition: 0.25s ease;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.12);
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height);
  color: var(--color-gray-700);
  background-color: var(--color-white);
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

a {
  color: var(--color-navy);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-accent);
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

.section {
  padding: 5rem 0;
}

.section-title {
  font-size: clamp(1.875rem, 4vw, 2.5rem);
  color: var(--color-navy);
  text-align: center;
  margin-bottom: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.section-title-left {
  text-align: left;
  margin-bottom: 1rem;
}

/* ---------- Header & Navigation ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
}

.logo {
  display: flex;
  align-items: center;
}

.logo:hover {
  opacity: 0.9;
}

/* PNG logo – replace images/logo.png to change the logo at any time */
.logo-img {
  display: block;
  height: 40px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
}

.nav-list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 2.25rem;
}

.nav-link {
  font-weight: 500;
  color: var(--color-gray-700);
  padding: 0.5rem 0;
  position: relative;
  font-size: 0.95rem;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}

.nav-link:hover::after,
.nav-link:focus-visible::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link.active {
  color: var(--color-navy);
  font-weight: 600;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
}

.hamburger {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-navy);
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] .hamburger:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .hamburger:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .hamburger:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ---------- Hero (Home) ---------- */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  text-align: center;
  padding: 4rem 1rem;
  overflow: hidden;
}

.hero-home .hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  animation: heroBgFloat 20s ease-in-out infinite;
}

.hero-home:hover .hero-bg {
  animation-duration: 25s;
}

@keyframes heroBgFloat {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.04); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(6, 21, 40, 0.88) 0%, rgba(12, 35, 64, 0.82) 50%, rgba(26, 58, 92, 0.75) 100%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: clamp(2rem, 5.5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
  letter-spacing: -0.03em;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  opacity: 0.95;
  max-width: 560px;
  margin: 0 auto 2.25rem;
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

/* ---------- Hero animations ---------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-hero-title {
  animation: fadeInUp 0.8s ease-out 0.1s both;
}

.animate-hero-subtitle {
  animation: fadeInUp 0.8s ease-out 0.3s both;
}

.animate-hero-cta {
  animation: fadeInUp 0.8s ease-out 0.5s both;
}

/* ---------- Scroll-triggered animations ---------- */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* Stagger delay utilities for grid children */
.why-grid .animate-on-scroll:nth-child(1) { transition-delay: 0s; }
.why-grid .animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.why-grid .animate-on-scroll:nth-child(3) { transition-delay: 0.2s; }
.why-grid .animate-on-scroll:nth-child(4) { transition-delay: 0.3s; }
.featured-grid .animate-on-scroll:nth-child(1) { transition-delay: 0s; }
.featured-grid .animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.featured-grid .animate-on-scroll:nth-child(3) { transition-delay: 0.2s; }

/* ---------- Stats strip ---------- */
.stats-strip {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
  color: var(--color-white);
  padding: 2.5rem 0;
}

.stats-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-item {
  padding: 0 1rem;
}

.stat-number {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  display: inline-block;
  min-width: 1.2em;
}

.stat-suffix {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 600;
  opacity: 0.9;
}

.stat-label {
  display: block;
  font-size: 0.95rem;
  margin-top: 0.35rem;
  opacity: 0.9;
}

.animate-stat {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.animate-stat.in-view {
  opacity: 1;
  transform: translateY(0);
}

.stats-list .animate-stat:nth-child(1) { transition-delay: 0s; }
.stats-list .animate-stat:nth-child(2) { transition-delay: 0.1s; }
.stats-list .animate-stat:nth-child(3) { transition-delay: 0.2s; }
.stats-list .animate-stat:nth-child(4) { transition-delay: 0.3s; }

/* ---------- Section subtitle ---------- */
.section-subtitle {
  text-align: center;
  color: var(--color-gray-500);
  max-width: 560px;
  margin: -1.5rem auto 2.5rem;
  font-size: 1.05rem;
}

/* ---------- Featured services (home) ---------- */
.featured-services {
  background: var(--color-gray-50);
}

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

.featured-card {
  background: var(--color-white);
  padding: 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-200);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  text-align: center;
  color: inherit;
}

.featured-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent-light);
  color: inherit;
}

.featured-icon {
  font-size: 2.5rem;
  display: block;
  margin-bottom: 1rem;
  color: var(--color-accent);
}

.featured-card h3 {
  font-size: 1.2rem;
  color: var(--color-navy);
  margin-bottom: 0.5rem;
}

.featured-card p {
  font-size: 0.95rem;
  color: var(--color-gray-500);
}

.featured-cta {
  text-align: center;
}

/* ---------- Regions (home) ---------- */
.regions {
  background: var(--color-gray-50);
}

.regions-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem 2rem;
  max-width: 720px;
  margin: 0 auto;
}

.region-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.05rem;
  color: var(--color-gray-700);
  font-weight: 500;
}

.region-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
}

/* ---------- Testimonials ---------- */
.testimonials {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
  color: var(--color-white);
}

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

.testimonials-subtitle {
  text-align: center;
  color: rgba(255, 255, 255, 0.9);
  max-width: 560px;
  margin: -1.25rem auto 2.5rem;
  font-size: 1.05rem;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.testimonial-card {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.testimonial-card:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

.testimonial-text {
  font-size: 1.05rem;
  line-height: 1.75;
  margin-bottom: 1.25rem;
  font-style: italic;
  color: rgba(255, 255, 255, 0.95);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-white);
  flex-shrink: 0;
}

.author-info {
  min-width: 0;
}

.author-name {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
  color: var(--color-white);
}

.author-role {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
}

.testimonials-grid .animate-on-scroll:nth-child(1) { transition-delay: 0s; }
.testimonials-grid .animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.testimonials-grid .animate-on-scroll:nth-child(3) { transition-delay: 0.2s; }

/* ---------- Shipping Calculator ---------- */
.calculator-section {
  background: var(--color-gray-50);
}

.calc-container {
  max-width: 960px;
  margin: 0 auto;
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-200);
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.calc-form-group {
  margin-bottom: 1.25rem;
}

.calc-form-group label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 600;
  color: var(--color-gray-700);
  font-size: 0.9rem;
}

.calc-hint {
  font-weight: 400;
  color: var(--color-gray-500);
  font-size: 0.85rem;
}

.calc-form-group select,
.calc-form-group input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: inherit;
  background: var(--color-white);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.calc-form-group select:focus,
.calc-form-group input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(234, 88, 12, 0.2);
}

.calc-note {
  font-size: 0.85rem;
  color: var(--color-gray-500);
  margin-top: 1rem;
  line-height: 1.5;
}

.calc-result {
  background: var(--color-gray-50);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  border: 1px solid var(--color-gray-200);
}

.price-display {
  text-align: center;
  margin-bottom: 1.5rem;
}

.price-label {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-gray-500);
  margin-bottom: 0.35rem;
}

.price-amount {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.2;
  margin: 0;
}

.price-currency {
  font-size: 0.6em;
  color: var(--color-gray-500);
  vertical-align: super;
  margin-right: 2px;
}

.price-breakdown {
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-gray-200);
}

.breakdown-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  color: var(--color-gray-700);
}

.breakdown-row.breakdown-total {
  font-weight: 700;
  color: var(--color-navy);
  font-size: 1.05rem;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--color-gray-300);
  margin-bottom: 0;
}

.calc-estimate-days {
  font-size: 0.9rem;
  color: var(--color-gray-500);
  margin: 1rem 0 0;
  min-height: 1.4em;
}

.calc-quote-btn {
  margin-top: 1.25rem;
}

@media (max-width: 768px) {
  .calc-grid {
    grid-template-columns: 1fr;
  }

  .calc-container {
    padding: 1.5rem;
  }
}

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  position: relative;
  min-height: 42vh;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  text-align: center;
  padding: 4rem 1rem;
  overflow: hidden;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.page-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(6, 21, 40, 0.85) 0%, rgba(12, 35, 64, 0.78) 100%);
  pointer-events: none;
}

.page-hero-content {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.page-hero p {
  font-size: 1.1rem;
  opacity: 0.9;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition), transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(234, 88, 12, 0.35);
}

.btn:active {
  transform: translateY(0);
}

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

.btn-primary:hover {
  background: var(--color-accent-hover);
  color: var(--color-white);
}

.btn-secondary {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255, 255, 255, 0.9);
}

.btn-secondary:hover {
  background: var(--color-white);
  color: var(--color-navy);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.05rem;
}

.btn-full {
  width: 100%;
}

/* ---------- Intro (Home) ---------- */
.intro {
  background: var(--color-gray-50);
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.intro-image-wrap {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.intro-image-wrap img {
  width: 100%;
  aspect-ratio: 4/3;
}

.intro-text .section-title-left {
  margin-bottom: 1.25rem;
}

.intro-lead {
  font-size: 1.15rem;
  color: var(--color-navy);
  font-weight: 500;
  margin-bottom: 1rem;
}

.intro-text p + p {
  margin-top: 0.75rem;
  color: var(--color-gray-500);
}

.intro-text .btn {
  margin-top: 1.5rem;
}

/* ---------- Why Choose Us ---------- */
.why-us {
  background: var(--color-white);
}

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

.why-card {
  background: var(--color-gray-50);
  padding: 2.25rem 1.75rem;
  border-radius: var(--radius-lg);
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  border: 1px solid transparent;
}

.why-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  background: var(--color-white);
  border-color: var(--color-gray-200);
}

.why-icon {
  font-size: 2.5rem;
  margin-bottom: 1.25rem;
  line-height: 1;
}

.why-card h3 {
  font-size: 1.15rem;
  color: var(--color-navy);
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.why-card p {
  font-size: 0.95rem;
  color: var(--color-gray-500);
  line-height: 1.6;
}

/* ---------- CTA block ---------- */
.cta-block {
  padding: 4rem 0;
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
  color: var(--color-white);
}

.cta-content {
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 0.75rem;
  font-weight: 700;
}

.cta-content p {
  margin-bottom: 1.5rem;
  opacity: 0.9;
}

.cta-content .btn-primary {
  background: var(--color-accent);
}

.cta-content .btn-primary:hover {
  background: var(--color-accent-hover);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

/* ---------- About page ---------- */
.about-page {
  background: var(--color-white);
}

.about-page-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  margin-bottom: 4rem;
}

.about-page-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-page-image img {
  width: 100%;
  aspect-ratio: 3/2;
}

.about-page-content h2 {
  font-size: 1.75rem;
  color: var(--color-navy);
  margin-bottom: 1rem;
  font-weight: 700;
}

.about-lead {
  font-size: 1.1rem;
  color: var(--color-navy);
  font-weight: 500;
  margin-bottom: 1rem;
}

.about-page-content p {
  color: var(--color-gray-500);
}

.about-page-content p + p {
  margin-top: 0.75rem;
}

.about-cards-wrap {
  margin-bottom: 4rem;
}

.about-cards-wrap .section-title {
  margin-bottom: 2rem;
}

.about-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.about-card {
  background: var(--color-gray-50);
  padding: 2rem;
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-accent);
  transition: box-shadow var(--transition), transform var(--transition);
}

.about-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.about-card h3 {
  font-size: 1.15rem;
  color: var(--color-navy);
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.about-card p {
  font-size: 0.95rem;
  color: var(--color-gray-500);
}

.singapore-hub {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: center;
  padding-top: 3rem;
  border-top: 1px solid var(--color-gray-200);
}

.singapore-hub-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.singapore-hub-image img {
  width: 100%;
  aspect-ratio: 3/2;
}

.singapore-hub-text h2 {
  font-size: 1.5rem;
  color: var(--color-navy);
  margin-bottom: 1rem;
  font-weight: 700;
}

.singapore-hub-text p {
  color: var(--color-gray-500);
  line-height: 1.7;
}

/* ---------- Services page ---------- */
.services-page {
  background: var(--color-gray-50);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}

.service-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.service-card-image {
  aspect-ratio: 16/10;
  overflow: hidden;
}

.service-card-image img {
  width: 100%;
  height: 100%;
  transition: transform 0.5s ease;
}

.service-card:hover .service-card-image img {
  transform: scale(1.06);
}

.service-card-body {
  padding: 1.75rem;
}

.service-card-body h3 {
  font-size: 1.25rem;
  color: var(--color-navy);
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.service-card-body p {
  font-size: 0.95rem;
  color: var(--color-gray-500);
  line-height: 1.6;
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2.5rem;
  align-items: start;
}

.contact-info h2 {
  font-size: 1.5rem;
  color: var(--color-navy);
  margin-bottom: 1.25rem;
  font-weight: 700;
}

.contact-info address {
  font-style: normal;
  color: var(--color-gray-700);
}

.contact-info address p {
  margin-bottom: 0.5rem;
}

.contact-info a {
  color: var(--color-navy);
}

.contact-info a:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

.contact-hours {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--color-gray-500);
}

.contact-image {
  margin-top: 2rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.contact-image img {
  width: 100%;
  aspect-ratio: 16/10;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-group label {
  font-weight: 500;
  color: var(--color-gray-700);
}

.required {
  color: var(--color-error);
}

.form-group input,
.form-group textarea {
  padding: 0.875rem 1rem;
  font-size: 1rem;
  font-family: inherit;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(234, 88, 12, 0.2);
}

.form-group input.invalid,
.form-group textarea.invalid {
  border-color: var(--color-error);
}

.form-error {
  font-size: 0.85rem;
  color: var(--color-error);
  min-height: 1.2em;
}

.map-placeholder {
  height: 300px;
  background: var(--color-gray-200);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px dashed var(--color-gray-300);
}

.map-placeholder-content {
  text-align: center;
  color: var(--color-gray-500);
}

.map-icon {
  font-size: 3rem;
  display: block;
  margin-bottom: 0.5rem;
}

.map-address {
  font-size: 0.9rem;
  margin-top: 0.25rem;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--color-navy-dark);
  color: var(--color-gray-300);
  padding: 1.75rem 0;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-copy {
  font-size: 0.9rem;
}

.footer-nav {
  display: flex;
  gap: 1.5rem;
}

.footer-nav a {
  color: var(--color-gray-300);
  font-size: 0.9rem;
}

.footer-nav a:hover {
  color: var(--color-white);
}

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

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

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

  .intro-grid,
  .about-page-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .intro-image-wrap {
    order: -1;
  }

  .singapore-hub {
    grid-template-columns: 1fr;
  }

  .singapore-hub-image {
    order: -1;
  }
}

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
    padding: 1.5rem;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
  }

  .nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav-list li {
    border-bottom: 1px solid var(--color-gray-200);
  }

  .nav-list li:last-child {
    border-bottom: none;
  }

  .nav-link {
    display: block;
    padding: 1rem;
  }

  .nav-toggle {
    display: flex;
  }

  .hero {
    min-height: 75vh;
    padding: 3rem 1rem;
  }

  .page-hero {
    min-height: 35vh;
  }

  .stats-list {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

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

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

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

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .section {
    padding: 3.5rem 0;
  }

  .hero-cta {
    flex-direction: column;
  }

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