/* ═══════════════════════════════════════════════
   Heart To Art Inc. — Luxury Gallery Design System
   ═══════════════════════════════════════════════ */

/* --- Custom Properties --- */
:root {
  --color-dark: #1a1a1a;
  --color-darker: #111111;
  --color-charcoal: #2a2a2a;
  --color-gray: #8a8a8a;
  --color-gray-light: #b5b5b5;
  --color-ivory: #f5f0eb;
  --color-warm-white: #faf8f5;
  --color-white: #ffffff;
  --color-gold: #c9a96e;
  --color-gold-light: #d4bc8a;
  --color-gold-dark: #a8884d;

  --font-serif: 'Playfair Display', 'Georgia', serif;
  --font-sans: 'Inter', -apple-system, 'Segoe UI', sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 10rem;

  --transition-smooth: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  color: var(--color-dark);
  background: var(--color-warm-white);
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* --- Typography --- */
h1, h2, h3, h4, h5 { font-family: var(--font-serif); font-weight: 400; line-height: 1.2; }
h1 { font-size: clamp(2.5rem, 6vw, 5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { font-size: clamp(1.5rem, 2.5vw, 2rem); }

.text-gold { color: var(--color-gold); }
.text-gray { color: var(--color-gray); }
.text-ivory { color: var(--color-ivory); }

.label {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container-wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-xl) 0;
}

.section-dark {
  background: var(--color-dark);
  color: var(--color-ivory);
}

.section-darker {
  background: var(--color-darker);
  color: var(--color-ivory);
}

.section-ivory {
  background: var(--color-ivory);
}

/* --- Page Loader --- */
.page-loader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--color-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}

.page-loader.loaded {
  opacity: 0;
  visibility: hidden;
}

.loader-line {
  width: 60px;
  height: 1px;
  background: var(--color-charcoal);
  position: relative;
  overflow: hidden;
}

.loader-line::after {
  content: '';
  position: absolute;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--color-gold);
  animation: loaderSlide 1.2s ease infinite;
}

@keyframes loaderSlide {
  to { left: 100%; }
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-md) 0;
  transition: all var(--transition-smooth);
}

.nav.scrolled {
  background: rgba(26, 26, 26, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: var(--space-sm) 0;
  box-shadow: 0 1px 0 rgba(201, 169, 110, 0.1);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--color-white);
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav-logo img {
  height: 45px;
  width: auto;
  transition: height var(--transition-fast);
}

.nav.scrolled .nav-logo img {
  height: 35px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-link {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gray-light);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-gold);
  transition: width var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-white);
}

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

/* Mobile Menu Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
  z-index: 1001;
}

.nav-toggle span {
  width: 24px;
  height: 1px;
  background: var(--color-white);
  transition: all var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(4px, 4px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(4px, -4px); }

/* --- Hero --- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--color-dark);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.4;
  transform: scale(1.05);
  transition: transform 8s ease;
}

.hero.in-view .hero-bg {
  transform: scale(1);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(17, 17, 17, 0.3) 0%,
    rgba(17, 17, 17, 0.1) 40%,
    rgba(17, 17, 17, 0.6) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--color-white);
  max-width: 900px;
  padding: 0 var(--space-md);
}

.hero-label {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-md);
  opacity: 0;
  transform: translateY(20px);
  transition: all 1s ease 0.3s;
}

.hero-title {
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 400;
  line-height: 1.05;
  margin-bottom: var(--space-md);
  opacity: 0;
  transform: translateY(30px);
  transition: all 1s ease 0.5s;
}

.hero-title em {
  font-style: italic;
  color: var(--color-gold);
}

.hero-divider {
  width: 60px;
  height: 1px;
  background: var(--color-gold);
  margin: 0 auto var(--space-md);
  opacity: 0;
  transform: scaleX(0);
  transition: all 1s ease 0.7s;
}

.hero-subtitle {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--color-gray-light);
  letter-spacing: 0.05em;
  opacity: 0;
  transform: translateY(20px);
  transition: all 1s ease 0.9s;
}

.hero.in-view .hero-label,
.hero.in-view .hero-title,
.hero.in-view .hero-subtitle {
  opacity: 1;
  transform: translateY(0);
}

.hero.in-view .hero-divider {
  opacity: 1;
  transform: scaleX(1);
}

.hero-scroll {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-gray);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-gold), transparent);
  animation: scrollPulse 2s ease infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* --- Reveal Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* --- Section Headers --- */
.section-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section-header .label {
  margin-bottom: var(--space-sm);
  display: block;
}

.section-header h2 {
  margin-bottom: var(--space-sm);
}

.section-header .divider {
  width: 40px;
  height: 1px;
  background: var(--color-gold);
  margin: var(--space-md) auto;
}

.section-header p {
  max-width: 600px;
  margin: 0 auto;
  color: var(--color-gray);
  font-size: 0.95rem;
}

.section-dark .section-header p {
  color: var(--color-gray-light);
}

/* --- About Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.about-text .label {
  display: block;
  margin-bottom: var(--space-sm);
}

.about-text h2 {
  margin-bottom: var(--space-md);
}

.about-text p {
  color: var(--color-gray);
  margin-bottom: var(--space-md);
  font-size: 0.95rem;
  line-height: 1.8;
}

.about-text blockquote {
  border-left: 2px solid var(--color-gold);
  padding-left: var(--space-md);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--color-dark);
}

.about-stats {
  display: flex;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.stat-number {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  color: var(--color-gold);
  line-height: 1;
}

.stat-label {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gray);
  margin-top: var(--space-xs);
}

.about-image {
  position: relative;
}

.about-image img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
}

.about-image::after {
  content: '';
  position: absolute;
  top: var(--space-md);
  right: calc(var(--space-md) * -1);
  bottom: calc(var(--space-md) * -1);
  left: var(--space-md);
  border: 1px solid var(--color-gold);
  z-index: -1;
  opacity: 0.3;
}

/* --- Services --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.05);
}

.service-card {
  padding: var(--space-lg) var(--space-md);
  text-align: center;
  background: var(--color-dark);
  transition: background var(--transition-smooth);
  cursor: default;
}

.service-card:hover {
  background: var(--color-charcoal);
}

.service-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-md);
  stroke: var(--color-gold);
  fill: none;
  stroke-width: 1;
}

.service-card h3 {
  font-size: 1.25rem;
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.service-card p {
  font-size: 0.85rem;
  color: var(--color-gray-light);
  line-height: 1.7;
}

/* --- Portfolio / Gallery --- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 1;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

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

.gallery-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(17, 17, 17, 0.8) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-fast);
  display: flex;
  align-items: flex-end;
  padding: var(--space-md);
}

.gallery-item:hover .gallery-item-overlay {
  opacity: 1;
}

.gallery-item-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-white);
}

.gallery-item-desc {
  font-size: 0.8rem;
  color: var(--color-gray-light);
  margin-top: 4px;
}

/* Gallery CTA */
.gallery-cta {
  text-align: center;
  padding: var(--space-lg) 0;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 1rem 2.5rem;
  border: 1px solid var(--color-gold);
  color: var(--color-gold);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn:hover {
  background: var(--color-gold);
  color: var(--color-dark);
}

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

.btn-light:hover {
  background: var(--color-white);
  color: var(--color-dark);
}

.btn-solid {
  background: var(--color-gold);
  color: var(--color-dark);
}

.btn-solid:hover {
  background: var(--color-gold-light);
}

/* --- Clients / Logos --- */
.clients-marquee {
  overflow: hidden;
  padding: var(--space-lg) 0;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.clients-track {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  animation: marquee 30s linear infinite;
  width: max-content;
}

.clients-track img {
  height: 70px;
  width: auto;
  opacity: 0.5;
  filter: grayscale(100%);
  transition: all var(--transition-fast);
}

.clients-track img:hover {
  opacity: 0.9;
  filter: grayscale(0%);
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* Client list section */
.client-categories {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.client-category h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-gold);
}

.client-category li {
  font-size: 0.9rem;
  color: var(--color-gray);
  padding: 6px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
  transition: color var(--transition-fast);
}

.client-category li:hover {
  color: var(--color-dark);
}

/* --- Testimonials --- */
.testimonials-section {
  position: relative;
  overflow: hidden;
}

.testimonial-slider {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  min-height: 300px;
}

.testimonial-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.testimonial-slide.active {
  opacity: 1;
  position: relative;
}

.testimonial-quote {
  font-size: 1.5rem;
  font-weight: 300;
  line-height: 1.4;
  margin-bottom: var(--space-md);
  color: var(--color-ivory);
}

.testimonial-quote::before {
  content: '\201C';
  display: block;
  font-family: var(--font-serif);
  font-size: 4rem;
  color: var(--color-gold);
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.testimonial-author {
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.testimonial-dots {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.testimonial-dot {
  width: 30px;
  height: 1px;
  background: var(--color-gray);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  padding: 0;
}

.testimonial-dot.active {
  background: var(--color-gold);
  width: 50px;
}

/* --- Contact --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

.contact-info h2 {
  margin-bottom: var(--space-md);
}

.contact-info > p {
  color: var(--color-gray-light);
  margin-bottom: var(--space-lg);
  font-size: 0.95rem;
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.contact-detail-icon {
  width: 20px;
  height: 20px;
  stroke: var(--color-gold);
  fill: none;
  stroke-width: 1.5;
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-detail-label {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gray);
  margin-bottom: 2px;
}

.contact-detail-value {
  color: var(--color-ivory);
  font-size: 0.95rem;
}

.contact-detail-value a {
  transition: color var(--transition-fast);
}

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

/* Contact Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.form-field {
  position: relative;
}

.form-field input,
.form-field textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--color-ivory);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  padding: 1rem 1.25rem;
  transition: border-color var(--transition-fast);
  outline: none;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: var(--color-gray);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
}

.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--color-gold);
}

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

.form-submit {
  align-self: flex-start;
}

#form-result {
  font-size: 0.85rem;
  margin-top: var(--space-sm);
  color: var(--color-gold);
}

/* --- Footer --- */
.footer {
  padding: var(--space-xl) 0 var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

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

.footer-brand {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-ivory);
}

.footer-links {
  display: flex;
  gap: var(--space-md);
}

.footer-links a {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gray);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.75rem;
  color: var(--color-gray);
}

.footer-bottom a {
  color: var(--color-gold);
  transition: color var(--transition-fast);
}

.footer-bottom a:hover {
  color: var(--color-gold-light);
}

/* --- Lightbox --- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  cursor: pointer;
}

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

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

.lightbox-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-white);
  font-size: 1.5rem;
  background: none;
  border: none;
}

/* --- Page Header (for sub-pages) --- */
.page-header {
  padding: calc(var(--space-2xl) + 80px) 0 var(--space-xl);
  background: var(--color-dark);
  text-align: center;
}

.page-header .label {
  display: block;
  margin-bottom: var(--space-sm);
}

.page-header h1 {
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.page-header p {
  color: var(--color-gray-light);
  font-size: 0.95rem;
}

.breadcrumb {
  margin-top: var(--space-md);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gray);
}

.breadcrumb a {
  color: var(--color-gray);
  transition: color var(--transition-fast);
}

.breadcrumb a:hover { color: var(--color-gold); }
.breadcrumb span { color: var(--color-gold); }

/* --- Portfolio Page Grid --- */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.portfolio-item img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.portfolio-item:hover img {
  transform: scale(1.05);
}

.portfolio-item-info {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(17, 17, 17, 0.85) 0%, rgba(17, 17, 17, 0.2) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-md);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.portfolio-item:hover .portfolio-item-info {
  opacity: 1;
}

.portfolio-item-info h3 {
  font-size: 1.2rem;
  color: var(--color-white);
  margin-bottom: 4px;
}

.portfolio-item-info p {
  font-size: 0.8rem;
  color: var(--color-gray-light);
  line-height: 1.5;
}

/* --- Premier Partner --- */
.premier-partner {
  text-align: center;
  padding: var(--space-lg) 0;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  margin-bottom: var(--space-lg);
}

.premier-partner .label {
  display: block;
  margin-bottom: var(--space-md);
}

.premier-partner img {
  max-width: 250px;
  margin: 0 auto;
}

/* --- Guarantee Banner --- */
.guarantee-banner {
  text-align: center;
  padding: var(--space-lg) var(--space-md);
}

.guarantee-banner p {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.3rem;
  color: var(--color-gold);
  max-width: 700px;
  margin: 0 auto;
}

/* --- Google Map --- */
.map-container {
  height: 400px;
  background: var(--color-charcoal);
}

.map-container #map-canvas {
  width: 100%;
  height: 100%;
}

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

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    inset: 0;
    background: rgba(17, 17, 17, 0.98);
    flex-direction: column;
    justify-content: center;
    gap: var(--space-md);
    transform: translateX(100%);
    transition: transform var(--transition-smooth);
  }

  .nav-links.open {
    transform: translateX(0);
  }

  .nav-link {
    font-size: 1rem;
    letter-spacing: 0.2em;
  }

  .nav-toggle { display: flex; }

  .about-grid { grid-template-columns: 1fr; gap: var(--space-lg); }
  .about-image { order: -1; }
  .about-image::after { display: none; }

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

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

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

  .footer-inner { flex-direction: column; gap: var(--space-md); text-align: center; }
  .footer-bottom { flex-direction: column; gap: var(--space-sm); text-align: center; }

  .client-categories { grid-template-columns: 1fr; }

  .about-stats { flex-direction: column; gap: var(--space-md); }

  .testimonial-quote { font-size: 1.15rem; }
}

@media (max-width: 480px) {
  .gallery-grid { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 2.5rem; }
}