/* ============================================
   GOPELIA Metalworks — Production Stylesheet
   ============================================ */

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: #111;
  background: #fff;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* --- Typography --- */
h1, h2, h3, h4, h5 {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 600;
  line-height: 1.2;
}

.section-label {
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  margin-bottom: 1rem;
}

.section-heading {
  font-family: 'Inter', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  margin-bottom: 0.75rem;
  line-height: 1.2;
  text-decoration: underline;
  text-underline-offset: 0.35em;
  text-decoration-thickness: 2px;
}

.section-subtext {
  font-size: 1.05rem;
  color: #555;
  max-width: 640px;
  line-height: 1.7;
  margin-left: auto;
  margin-right: auto;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2.5rem;
  height: 72px;
  transition: background 0.35s ease, box-shadow 0.35s ease;
  background: rgba(255,255,255,0.97);
  box-shadow: 0 1px 0 rgba(0,0,0,0.06);
}

.nav.scrolled {
  background: rgba(255,255,255,0.98);
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

.nav-logo a {
  display: inline-block;
}

.nav-logo img {
  height: 36px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #111;
  transition: opacity 0.2s;
  white-space: nowrap;
}

.nav-links a:hover {
  opacity: 0.6;
}

.nav-links .btn-quote {
  border: 1.5px solid #111;
  padding: 0.45rem 1.1rem;
  font-size: 0.68rem;
  font-weight: 600;
  transition: background 0.2s, color 0.2s;
}

.nav-links .btn-quote:hover {
  background: #111;
  color: #fff;
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
  z-index: 1100;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #111;
  transition: transform 0.3s, opacity 0.3s;
}

.nav-hamburger.active span {
  background: #fff;
}

.nav-hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-hamburger.active span:nth-child(2) {
  opacity: 0;
}

.nav-hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile nav overlay */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.97);
  z-index: 1050;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
}

.mobile-nav.active {
  display: flex;
}

.mobile-nav a {
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #fff;
  transition: opacity 0.2s;
}

.mobile-nav a:hover {
  opacity: 0.7;
}

.mobile-nav .btn-quote-mobile {
  border: 1px solid #fff;
  padding: 0.6rem 1.5rem;
  margin-top: 1rem;
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

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

.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.45);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
  padding: 2rem;
  max-width: 720px;
}

.hero-content .section-label {
  color: rgba(255,255,255,0.75);
}

.hero-content h1 {
  font-size: clamp(3rem, 7vw, 5.5rem);
  margin-bottom: 0.35rem;
  color: #fff;
  text-decoration: none;
  font-weight: 600;
}

.hero-content .hero-subtitle {
  font-family: 'Inter', sans-serif;
  font-style: italic;
  font-weight: 300;
  font-size: clamp(1.15rem, 2.5vw, 1.6rem);
  color: rgba(255,255,255,0.85);
  margin-bottom: 1.25rem;
}

.hero-content .hero-body {
  font-size: 1rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}

/* --- Buttons --- */
.btn-outline {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.85rem 2rem;
  border: 1.5px solid #fff;
  color: #fff;
  background: transparent;
  cursor: pointer;
  transition: background 0.25s, color 0.25s;
}

.btn-outline:hover {
  background: #fff;
  color: #000;
}

.btn-outline-dark {
  border-color: #000;
  color: #000;
}

.btn-outline-dark:hover {
  background: #000;
  color: #fff;
}

.btn-solid {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.85rem 2rem;
  background: #000;
  color: #fff;
  border: 1.5px solid #000;
  cursor: pointer;
  transition: background 0.25s, color 0.25s;
}

.btn-solid:hover {
  background: #222;
  border-color: #222;
}

/* --- Section Containers --- */
.section {
  padding: 5rem 2.5rem;
}

.section-dark {
  background: #fff;
  color: #111;
}

.section-dark .section-subtext {
  color: #555;
}

.section-dark .section-label {
  color: #888;
}

.section-center {
  text-align: center;
}

.section-header {
  margin-bottom: 3rem;
  text-align: center;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

/* --- Project Cards Grid --- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.project-card {
  position: relative;
  aspect-ratio: 4/5;
  overflow: hidden;
  cursor: pointer;
  display: block;
  border-radius: 2px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

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

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

.project-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.1) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  transition: background 0.35s ease;
}

.project-card:hover .project-card-overlay {
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.3) 60%, rgba(0,0,0,0.1) 100%);
}

.project-card-name {
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 1.15rem;
  color: #fff;
  margin-bottom: 0.2rem;
}

.project-card-location {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.04em;
}

.project-card-scope {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.5;
  margin-top: 0.6rem;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.4s ease, opacity 0.35s ease, margin-top 0.3s ease;
}

.project-card:hover .project-card-scope {
  max-height: 120px;
  opacity: 1;
  margin-top: 0.6rem;
}

/* --- Services Section --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.service-card {
  text-align: center;
  padding: 2rem 1.5rem;
}

.service-card-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.25rem;
  object-fit: contain;
  /* No invert filter — icons should show naturally on white bg */
}

.service-card-title {
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  color: #111;
}

.service-card-desc {
  font-size: 0.9rem;
  line-height: 1.65;
  color: #555;
}

/* --- Client Logos Static Grid --- */
.client-logos-section {
  padding: 4rem 2.5rem;
  background: #fafafa;
  overflow: hidden;
}

.client-logos-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 2rem 2.5rem;
  align-items: center;
  justify-items: center;
  max-width: 1100px;
  margin: 0 auto;
}

.client-logo {
  height: 40px;
  width: auto;
  max-width: 120px;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.55;
  transition: opacity 0.3s, filter 0.3s;
}

.client-logo:hover {
  opacity: 1;
  filter: grayscale(0%);
}

/* --- Testimonials --- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.testimonial-card {
  padding: 2rem;
  border: 1px solid #e8e8e8;
  background: #fff;
}

.testimonial-quote {
  font-family: Georgia, serif;
  font-size: 2.5rem;
  line-height: 1;
  color: #ccc;
  margin-bottom: 0.75rem;
}

.testimonial-text {
  font-size: 0.95rem;
  line-height: 1.7;
  color: #444;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-author {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #111;
}

/* --- Contact / Footer Section --- */
.contact-section {
  padding: 5rem 2.5rem;
  background: #f7f7f7;
  color: #111;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  max-width: 1200px;
  margin: 0 auto;
}

.contact-map iframe {
  width: 100%;
  height: 350px;
  border: none;
  filter: grayscale(0.3);
  opacity: 0.9;
}

.contact-info {
  margin-top: 1.5rem;
}

.contact-info p {
  font-size: 0.9rem;
  color: #555;
  margin-bottom: 0.5rem;
}

.contact-info a {
  color: #111;
  font-weight: 500;
  transition: opacity 0.2s;
}

.contact-info a:hover {
  opacity: 0.7;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  background: #fff;
  border: 1px solid #ddd;
  color: #111;
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: #999;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: #111;
}

.contact-form textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-form button {
  align-self: flex-start;
}

.contact-form .btn-outline {
  border-color: #111;
  color: #111;
}

.contact-form .btn-outline:hover {
  background: #111;
  color: #fff;
}

/* Social icons */
.social-links {
  display: flex;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(0,0,0,0.2);
  border-radius: 50%;
  color: #444;
  transition: color 0.2s, border-color 0.2s;
}

.social-links a:hover {
  color: #111;
  border-color: #111;
}

.social-links svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

/* --- Footer --- */
.footer {
  padding: 2rem 2.5rem;
  background: #111;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-tagline {
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  font-weight: 300;
  color: rgba(255,255,255,0.5);
  font-style: italic;
}

.footer-copy {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.35);
}

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

.footer-nav a {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  transition: color 0.2s;
}

.footer-nav a:hover {
  color: #fff;
}

/* --- WhatsApp Button --- */
.whatsapp-btn {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0,0,0,0.25);
  z-index: 900;
  transition: transform 0.2s, box-shadow 0.2s;
}

.whatsapp-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(0,0,0,0.35);
}

.whatsapp-btn svg {
  width: 28px;
  height: 28px;
  fill: #fff;
}

/* --- Project Detail Pages --- */
.project-hero {
  position: relative;
  height: 60vh;
  min-height: 400px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  margin-top: -72px;
  padding-top: 72px;
}

.project-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.project-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.2) 50%, transparent 100%);
}

.project-hero-content {
  position: relative;
  z-index: 2;
  padding: 3rem 2.5rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.project-hero-content h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  color: #fff;
  margin-bottom: 0.25rem;
  text-decoration: none;
}

.project-hero-location {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.04em;
}

/* Project about */
.project-about {
  padding: 4rem 2.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.project-about h2 {
  font-size: 2rem;
  margin-bottom: 2rem;
}

.project-meta-table {
  width: 100%;
  max-width: 600px;
  border-collapse: collapse;
}

.project-meta-table tr {
  border-bottom: 1px solid #e8e8e8;
}

.project-meta-table td {
  padding: 1rem 0;
  font-size: 0.9rem;
}

.project-meta-table td:first-child {
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: #888;
  width: 150px;
}

/* Project gallery */
.project-gallery {
  padding: 0 2.5rem 4rem;
  max-width: 1200px;
  margin: 0 auto;
}

.project-gallery h2 {
  font-size: 2rem;
  margin-bottom: 2rem;
}

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

.gallery-item {
  aspect-ratio: 4/3;
  overflow: hidden;
  cursor: pointer;
  position: relative;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.gallery-item:hover img {
  transform: scale(1.04);
}

.gallery-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0);
  transition: background 0.3s;
}

.gallery-item:hover::after {
  background: rgba(0,0,0,0.1);
}

/* Project CTA */
.project-cta {
  text-align: center;
  padding: 4rem 2.5rem;
  border-top: 1px solid #e8e8e8;
}

.project-cta h3 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.project-cta p {
  color: #666;
  margin-bottom: 2rem;
  font-size: 0.95rem;
}

/* --- Lightbox --- */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
}

.lightbox.active {
  display: flex;
}

.lightbox img {
  max-width: 90vw;
  max-height: 88vh;
  object-fit: contain;
  cursor: default;
}

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.75rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.7;
  transition: opacity 0.2s;
}

.lightbox-close:hover {
  opacity: 1;
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: #fff;
  font-size: 2.5rem;
  cursor: pointer;
  padding: 1rem;
  opacity: 0.6;
  transition: opacity 0.2s;
}

.lightbox-nav:hover {
  opacity: 1;
}

.lightbox-prev {
  left: 1rem;
}

.lightbox-next {
  right: 1rem;
}

/* --- Services Page --- */
.page-hero {
  background: #fff;
  color: #111;
  padding: 8rem 2.5rem 4rem;
  text-align: center;
  margin-top: -72px;
  padding-top: 8rem;
  border-bottom: 1px solid #e8e8e8;
}

.page-hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 1rem;
  text-decoration: none;
}

.page-hero p {
  max-width: 640px;
  margin: 0 auto;
  color: #555;
  font-size: 1rem;
  line-height: 1.7;
}

.services-detail-section {
  padding: 4rem 2.5rem;
  max-width: 900px;
  margin: 0 auto;
}

.services-detail-section h2 {
  font-size: 2rem;
  margin-bottom: 2.5rem;
  text-align: center;
  text-decoration: underline;
  text-underline-offset: 0.35em;
  text-decoration-thickness: 2px;
}

.service-block {
  margin-bottom: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid #e8e8e8;
}

.service-block:last-child {
  border-bottom: none;
}

.service-block h3 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.service-block p {
  font-size: 0.95rem;
  line-height: 1.7;
  color: #555;
}

.page-cta {
  text-align: center;
  padding: 4rem 2.5rem;
  background: #f7f7f7;
}

.page-cta p {
  font-size: 1.05rem;
  color: #555;
  max-width: 600px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

/* --- About Page --- */
.about-intro {
  padding: 4rem 2.5rem;
  max-width: 900px;
  margin: 0 auto;
}

.about-intro p {
  font-size: 1rem;
  line-height: 1.8;
  color: #444;
  margin-bottom: 1.5rem;
}

.about-story {
  padding: 0 2.5rem 4rem;
  max-width: 900px;
  margin: 0 auto;
}

.about-story h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.about-story p {
  font-size: 1rem;
  line-height: 1.8;
  color: #444;
}

.values-section {
  padding: 4rem 2.5rem;
  background: #f7f7f7;
}

.values-section h2 {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 3rem;
  text-decoration: underline;
  text-underline-offset: 0.35em;
  text-decoration-thickness: 2px;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.value-card {
  background: #fff;
  padding: 2rem;
  border: 1px solid #e8e8e8;
}

.value-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.value-card p {
  font-size: 0.9rem;
  line-height: 1.65;
  color: #555;
}

.about-closing {
  padding: 3rem 2.5rem 4rem;
  max-width: 900px;
  margin: 0 auto;
}

.about-closing p {
  font-size: 1rem;
  line-height: 1.8;
  color: #444;
  margin-bottom: 1.5rem;
}

/* --- Contact Page --- */
.contact-page-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 2.5rem;
}

.contact-page-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-page-form input,
.contact-page-form textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  background: #fff;
  border: 1px solid #ddd;
  color: #111;
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
}

.contact-page-form input::placeholder,
.contact-page-form textarea::placeholder {
  color: #999;
}

.contact-page-form input:focus,
.contact-page-form textarea:focus {
  border-color: #000;
}

.contact-page-form textarea {
  resize: vertical;
  min-height: 140px;
}

.contact-page-right {
  padding-left: 1rem;
}

.contact-page-right h3 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.contact-page-right p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: #555;
  margin-bottom: 0.5rem;
}

.contact-page-right a {
  color: #000;
  font-weight: 500;
}

.contact-page-right iframe {
  width: 100%;
  height: 260px;
  border: none;
  margin-top: 1.5rem;
  filter: grayscale(0.3);
}

.contact-page-note {
  text-align: center;
  padding: 0 2.5rem 3rem;
  color: #888;
  font-size: 0.9rem;
}

/* --- Scroll Animations --- */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* --- Responsive --- */
@media (max-width: 1024px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .client-logos-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 768px) {
  .nav {
    padding: 0 1.25rem;
  }
  
  .nav-links {
    display: none;
  }
  
  .nav-hamburger {
    display: flex;
  }
  
  .section {
    padding: 3.5rem 1.25rem;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .project-card {
    aspect-ratio: 3/4;
  }
  
  .services-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
  }
  
  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-page-grid {
    grid-template-columns: 1fr;
    padding: 2.5rem 1.25rem;
  }
  
  .contact-page-right {
    padding-left: 0;
  }
  
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  
  .values-grid {
    grid-template-columns: 1fr;
  }
  
  .footer {
    flex-direction: column;
    text-align: center;
    gap: 0.75rem;
  }
  
  .footer-nav {
    justify-content: center;
  }
  
  .project-hero {
    height: 45vh;
  }
  
  .project-hero-content {
    padding: 2rem 1.25rem;
  }
  
  .project-about,
  .project-gallery {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }
  
  .client-logos-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
  
  .client-logos-section {
    padding: 3rem 1.25rem;
  }
}

@media (max-width: 480px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-content h1 {
    font-size: 2.75rem;
  }
  
  .client-logos-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }
}

/* --- Nav on interior pages --- */
.nav-light {
  background: #fff;
  box-shadow: 0 1px 0 rgba(0,0,0,0.06);
}

/* Utility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}