/* ============================================
   SK Design & Construct Ltd — Main Stylesheet
   ============================================ */

/* Typography & Colours */
:root {
  --color-primary: #0a1628;
  --color-secondary: #f97316;
  --color-accent: #06b6d4;
  --color-bg: #ffffff;
  --color-surface: #f8f9fa;
  --color-text: #1a1a1a;
  --color-text-muted: #666666;
  --color-border: #e0e0e0;

  --font-sans: 'Inter', sans-serif;
  --font-display: 'Space Grotesk', sans-serif;

  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.15);

  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

html[data-theme='dark'] {
  --color-bg: #0a1628;
  --color-surface: #1a2a40;
  --color-text: #ffffff;
  --color-text-muted: #b0b0b0;
  --color-border: #2a3a50;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
}

/* Skip to content link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: white;
  padding: 8px;
  text-decoration: none;
  z-index: 100;
}

.skip-link:focus {
  top: 0;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.center {
  text-align: center;
}

/* Eyebrow labels */
.eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-secondary);
  margin-bottom: 1rem;
}

/* Lead paragraphs */
.lead {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

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

.btn-primary:hover {
  background-color: #f56300;
  transform: translateY(-2px);
}

.btn-wa {
  background-color: #25d366;
  color: white;
}

.btn-wa:hover {
  background-color: #1fa952;
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-ghost:hover {
  background-color: var(--color-surface);
}

.btn.large {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

/* Icon styling */
i[data-lucide] {
  width: 1.25em;
  height: 1.25em;
  stroke-width: 1.5;
}

/* =========== NAVBAR =========== */
.nav-glass {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

html[data-theme='dark'] .nav-glass {
  background: rgba(10, 22, 40, 0.8);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--color-text);
  font-weight: 600;
}

.logo-mark {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-secondary);
}

.nav-links {
  display: none;
  list-style: none;
  gap: 2rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--color-text);
  transition: color 0.3s ease;
  font-weight: 600;
}

.nav-links a:hover {
  color: var(--color-secondary);
}

.nav-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text);
  display: flex;
}

.nav-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.theme-toggle,
.nav-wa {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text);
  font-size: 1.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 8px;
}

/* =========== HERO =========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-primary) 0%, #1a2a40 100%);
  color: white;
}

.hero-3d-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
}

#threeCanvas {
  display: block;
  width: 100%;
  height: 100%;
}

.hero-fallback {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(249, 115, 22, 0.1) 0%, transparent 70%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 700px;
  padding: 2rem;
}

.hero-eyebrow {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.1;
}

.accent {
  color: var(--color-secondary);
}

.hero-sub {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.hero-trust {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
  font-size: 0.875rem;
  opacity: 0.9;
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
}

.hero-scroll span {
  display: block;
  width: 2px;
  height: 32px;
  background: white;
  animation: scroll 2s infinite;
}

.carpet-roll {
  --roll-progress: 34%;
  position: absolute;
  left: 50%;
  bottom: clamp(1.5rem, 5vw, 4rem);
  width: min(780px, 86vw);
  height: clamp(78px, 12vw, 122px);
  transform: translateX(-50%);
  z-index: 4;
  pointer-events: none;
  opacity: 0.92;
}

.carpet-roll-sheet {
  position: absolute;
  right: clamp(70px, 10vw, 112px);
  bottom: 10px;
  width: var(--roll-progress);
  max-width: calc(100% - 120px);
  height: 62%;
  background:
    repeating-linear-gradient(90deg, rgba(255,255,255,.18) 0 16px, transparent 16px 34px),
    linear-gradient(135deg, #c9aa80, #8b5e3c);
  border-radius: 8px 0 0 8px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, .22);
  transform-origin: right center;
  transition: width .18s linear;
}

.carpet-roll-core {
  position: absolute;
  right: 0;
  bottom: 0;
  width: clamp(92px, 13vw, 140px);
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, #3a2417 0 17%, #d6b58b 18% 34%, #8b5e3c 35% 52%, #c9aa80 53% 70%, #6f4527 71% 100%);
  box-shadow: 0 24px 44px rgba(0, 0, 0, .32);
  animation: carpetRollSpin 9s linear infinite;
}

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

@keyframes scroll {
  0%, 100% { opacity: 0; transform: translateY(0); }
  50% { opacity: 1; }
}

/* =========== SERVICES =========== */
.services-strip {
  padding: 4rem 0;
  background: var(--color-surface);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.service-card {
  padding: 2rem;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.service-card i {
  font-size: 2.5rem;
  color: var(--color-secondary);
  margin-bottom: 1rem;
}

.service-card h3 {
  margin-bottom: 0.5rem;
}

.service-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* =========== ABOUT ===================== */
.about {
  padding: 4rem 0;
  background: var(--color-bg);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: center;
}

.about-text h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin-bottom: 1.5rem;
}

.trust-metrics {
  display: flex;
  gap: 3rem;
  list-style: none;
  margin: 2rem 0;
}

.trust-metrics li {
  display: flex;
  flex-direction: column;
}

.trust-metrics strong {
  font-size: 2rem;
  color: var(--color-secondary);
}

.trust-metrics span {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.about-images {
  display: grid;
  grid-template-columns: 2fr 1fr;
  grid-template-rows: auto auto;
  gap: 1.5rem;
}

.img-card {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  background: var(--color-surface);
  min-height: 220px;
}

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

.img-card.large {
  grid-row: 1 / 3;
}

.img-label {
  position: absolute;
  bottom: 0.5rem;
  right: 0.5rem;
  font-size: 0.75rem;
  background: rgba(0, 0, 0, 0.5);
  color: white;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
}

.img-card.img-missing {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  background: var(--color-surface);
  color: var(--color-text-muted);
}

/* =========== PROJECTS ===================== */
.projects {
  padding: 4rem 0;
  background: var(--color-surface);
}

.projects h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin-bottom: 3rem;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.project-card {
  position: relative;
  background: var(--color-bg);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform 0.3s ease;
}

.project-card:hover {
  transform: translateY(-4px);
}

.project-watermark {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 0.75rem;
  background: rgba(0, 0, 0, 0.5);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  z-index: 5;
}

.ba-slider {
  position: relative;
  width: 100%;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: #f0f0f0;
  touch-action: none;
}

.ba-before-wrap {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.ba-before,
.ba-after {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.ba-range {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  height: 100%;
  z-index: 10;
  cursor: pointer;
  opacity: 0;
}

.ba-handle {
  position: absolute;
  top: 0;
  left: 50%;
  width: 4px;
  height: 100%;
  background: var(--color-secondary);
  transform: translateX(-50%);
  z-index: 5;
}

.ba-handle::before,
.ba-handle::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 40px;
  height: 40px;
  border: 2px solid white;
  transform: translate(-50%, -50%);
  background: var(--color-secondary);
  border-radius: 50%;
}

.ba-handle::before {
  left: 50%;
  width: 0;
  height: 0;
  border-left: 10px solid white;
  border-right: 0;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  background: transparent;
  transform: translate(-24px, -50%);
}

.ba-handle::after {
  left: 50%;
  transform: translate(14px, -50%);
  width: 0;
  height: 0;
  border-right: 10px solid white;
  border-left: 0;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  background: transparent;
}

.ba-tags {
  position: absolute;
  inset: 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding: 1rem;
  pointer-events: none;
  z-index: 8;
}

.ba-tags span {
  background: rgba(0, 0, 0, 0.6);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
}

.progress-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  aspect-ratio: 4/3;
  height: auto;
}

.progress-gallery figure {
  position: relative;
  overflow: hidden;
  margin: 0;
}

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

.progress-gallery figcaption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.6);
  color: white;
  padding: 0.75rem;
  font-size: 0.875rem;
  font-weight: 600;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  aspect-ratio: 4/3;
}

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

.project-meta {
  padding: 1.5rem;
}

.project-meta h3 {
  margin-bottom: 1rem;
}

.project-meta ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.project-meta li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* =========== ESTIMATOR ===================== */
.estimator {
  padding: 4rem 0;
  background: var(--color-bg);
}

.estimator-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: start;
}

.estimator-form {
  display: grid;
  gap: 2rem;
}

.step-indicator {
  display: flex;
  justify-content: space-between;
  list-style: none;
  margin-bottom: 2rem;
}

.step-indicator li {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: var(--color-surface);
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  transition: all 0.3s ease;
}

.step-indicator li.active {
  background: var(--color-secondary);
  color: white;
}

.step {
  display: none;
}

.step.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.step legend {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.opt-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.opt-grid label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  padding: 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
}

.opt-grid label:has(input:checked) {
  background: var(--color-surface);
  border-color: var(--color-secondary);
}

.opt-grid input[type='radio'] {
  cursor: pointer;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.field span {
  font-weight: 500;
  font-size: 0.9rem;
}

.field input,
.field select {
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  font-family: inherit;
}

.ai-recommend {
  padding: 1rem;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  margin: 1rem 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.step-nav {
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  margin-top: 2rem;
}

.estimate-summary {
  background: var(--color-surface);
  border-radius: 8px;
  padding: 2rem;
  position: sticky;
  top: 100px;
}

.summary-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.summary-head h3 {
  margin: 0;
}

.badge {
  font-size: 0.75rem;
  background: var(--color-secondary);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
}

.summary-list {
  list-style: none;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.summary-list li {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
  font-size: 0.9rem;
}

.summary-total {
  display: flex;
  justify-content: space-between;
  padding: 1rem 0;
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.summary-note {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.summary-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* =========== SHOP ===================== */
.shop {
  padding: 4rem 0;
  background: var(--color-surface);
}

.shop h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin-bottom: 2rem;
}

.tabs {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.tab {
  padding: 0.75rem 1.5rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.3s ease;
}

.tab.active {
  background: var(--color-secondary);
  color: white;
  border-color: var(--color-secondary);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.5rem;
}

.product-card {
  background: var(--color-bg);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.product-img {
  position: relative;
  aspect-ratio: 4/3;
  background: var(--color-surface);
  overflow: hidden;
}

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

.product-img.img-missing {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.8rem;
  padding: 1rem;
  text-align: center;
}

.product-info {
  padding: 1.25rem;
}

.product-info h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.product-price {
  font-size: 0.9rem;
  color: var(--color-secondary);
  font-weight: 600;
  margin-bottom: 1rem;
}

.product-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
}

.filter-row {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.chip {
  padding: 0.5rem 1rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 2rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.chip.active {
  background: var(--color-secondary);
  color: white;
  border-color: var(--color-secondary);
}

/* =========== LABOUR ===================== */
.labour {
  padding: 4rem 0;
  background: var(--color-bg);
}

.labour-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.trust-bullets {
  list-style: none;
  margin: 2rem 0;
}

.trust-bullets li {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
  color: var(--color-text-muted);
}

.labour-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  background: var(--color-surface);
  padding: 2rem;
  border-radius: 8px;
}

.labour-output {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  padding: 1.5rem;
  background: var(--color-bg);
  border-radius: var(--radius-md);
}

.labour-output div {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.labour-output strong {
  font-size: 1.5rem;
  color: var(--color-secondary);
}

.labour-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* =========== CONTACT ===================== */
.contact {
  padding: 4rem 0;
  background: var(--color-surface);
}

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

.contact-list {
  list-style: none;
  margin: 2rem 0;
}

.contact-list li {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-list a {
  color: var(--color-secondary);
  text-decoration: none;
}

.contact-list a:hover {
  text-decoration: underline;
}

.map-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  height: 100%;
  min-height: 400px;
}

.map-card iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* =========== FOOTER ===================== */
.footer {
  background: var(--color-primary);
  color: white;
  padding: 3rem 0 1rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer h4 {
  margin-bottom: 1rem;
}

.footer ul {
  list-style: none;
}

.footer li {
  margin-bottom: 0.75rem;
  opacity: 0.9;
}

.logo-mark.large {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1rem;
  text-align: center;
  opacity: 0.7;
}

/* =========== WHATSAPP FAB ===================== */
.wa-fab {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 3.5rem;
  height: 3.5rem;
  background: #25d366;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  z-index: 40;
  box-shadow: var(--shadow-lg);
  transition: transform 0.3s ease;
}

.wa-fab:hover {
  transform: scale(1.1);
}

.wa-pulse {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: #25d366;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { opacity: 1; transform: scale(1); }
  100% { opacity: 0; transform: scale(1.3); }
}

/* =========== MOBILE RESPONSIVE ===================== */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-links.active {
    display: flex;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-bg);
    padding: 1rem;
    border-bottom: 1px solid var(--color-border);
  }

  .about-grid,
  .estimator-grid,
  .labour-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

  .estimate-summary {
    position: static;
  }
}