@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@300;400;500;600;700&display=swap');

/* --- CUSTOM PROPERTIES --- */
:root {
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Colors - Minimalist Monochromatic Palette */
  --color-white: #ffffff;
  --color-gray-50: #f9f9f9;
  --color-gray-100: #f1f1f1;
  --color-gray-200: #e4e4e7;
  --color-gray-300: #d4d4d8;
  --color-gray-400: #a1a1aa;
  --color-gray-500: #71717a;
  --color-gray-600: #52525b;
  --color-gray-700: #3f3f46;
  --color-gray-800: #27272a;
  --color-gray-900: #18181b;
  --color-black: #09090b;
  
  /* Focus Accent */
  --color-accent: #000000;
  --color-accent-hover: #333333;
  --color-border-subtle: rgba(0, 0, 0, 0.08);

  /* Spacing System */
  --space-xxs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-xxl: 6rem;

  /* Timing & Transitions */
  --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.15s ease-out;

  /* Layout Boundaries */
  --max-width-content: 1200px;
  --header-height: 80px;
}

/* --- RESET & BASE STYLES --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-gray-800);
  background-color: var(--color-white);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-black);
  font-weight: 600;
  line-height: 1.25;
}

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

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

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

ul {
  list-style: none;
}

/* --- REUSABLE COMPONENTS --- */
.container {
  width: 100%;
  max-width: var(--max-width-content);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-md);
  padding-right: var(--space-md);
}

.section {
  padding-top: var(--space-xxl);
  padding-bottom: var(--space-xxl);
}

.section-alt {
  background-color: var(--color-gray-50);
}

.section-header {
  max-width: 650px;
  margin-bottom: var(--space-xl);
}

.section-subtitle {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-gray-500);
  margin-bottom: var(--space-xs);
  display: block;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-sm);
}

.section-desc {
  font-size: 1.125rem;
  color: var(--color-gray-600);
  font-weight: 300;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.75rem;
  font-weight: 500;
  border-radius: 4px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition-smooth);
}

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

.btn-primary:hover {
  background-color: var(--color-gray-800);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: transparent;
  border-color: var(--color-black);
  color: var(--color-black);
}

.btn-secondary:hover {
  background-color: var(--color-gray-50);
  transform: translateY(-1px);
}

.btn-text {
  padding: 0;
  background: transparent;
  color: var(--color-black);
  font-weight: 600;
  position: relative;
}

.btn-text::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: var(--color-black);
  transform: scaleX(1);
  transform-origin: bottom left;
  transition: var(--transition-smooth);
}

.btn-text:hover::after {
  transform: scaleX(0);
  transform-origin: bottom right;
}

/* --- HEADER & NAVIGATION --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: transparent;
  border-bottom: 1px solid transparent;
  z-index: 100;
  transition: var(--transition-smooth);
}

.header.scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom-color: var(--color-gray-200);
  height: 70px;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -0.03em;
  color: var(--color-black);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo span {
  font-weight: 300;
  color: var(--color-gray-500);
}

.nav-list {
  display: flex;
  gap: 2.25rem;
}

.nav-link {
  font-size: 0.925rem;
  font-weight: 500;
  color: var(--color-gray-600);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

/* Hamburger menu */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-black);
  margin: 5px 0;
  transition: var(--transition-smooth);
}

/* Mobile drawer navigation */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  height: 100vh;
  background-color: var(--color-white);
  z-index: 99;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-xl);
  transition: var(--transition-smooth);
}

.mobile-nav.open {
  right: 0;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.mobile-nav-link {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 500;
  color: var(--color-black);
}

/* --- HERO SECTION --- */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  color: var(--color-white);
  overflow: hidden;
  background-color: var(--color-black);
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.75;
  filter: grayscale(10%) contrast(105%);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to bottom,
    rgba(9, 9, 11, 0.4) 0%,
    rgba(9, 9, 11, 0.7) 100%
  );
  z-index: 2;
}

.hero .container {
  position: relative;
  z-index: 3;
}

.hero-content {
  max-width: 720px;
}

.hero-title {
  font-size: 3.75rem;
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--color-white);
  line-height: 1.15;
  margin-bottom: var(--space-md);
}

.hero-desc {
  font-size: 1.25rem;
  font-weight: 300;
  color: var(--color-gray-200);
  margin-bottom: var(--space-lg);
  max-width: 600px;
  line-height: 1.5;
}

.hero-actions {
  display: flex;
  gap: var(--space-sm);
}

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

.hero .btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

/* --- ABOUT US --- */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.about-content-left {
  padding-right: var(--space-md);
}

.about-text {
  font-size: 1.1rem;
  color: var(--color-gray-600);
  margin-bottom: var(--space-md);
}

.about-text strong {
  color: var(--color-black);
  font-weight: 500;
}

.about-pillars {
  margin-top: var(--space-lg);
  display: grid;
  gap: var(--space-sm);
}

.pillar {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
}

.pillar-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  color: var(--color-black);
  margin-top: 2px;
}

.pillar-title {
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: var(--space-xxs);
}

.pillar-desc {
  font-size: 0.95rem;
  color: var(--color-gray-500);
}

.about-img-right {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0,0,0,0.06);
}

.about-img-right img {
  width: 100%;
  height: 500px;
  object-fit: cover;
}

/* --- SERVICES --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.service-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: 8px;
  padding: var(--space-lg) var(--space-md);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-black);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.04);
}

.service-icon {
  width: 48px;
  height: 48px;
  color: var(--color-black);
  margin-bottom: var(--space-md);
  stroke-width: 1.5;
}

.service-title {
  font-size: 1.35rem;
  font-weight: 500;
  margin-bottom: var(--space-sm);
  letter-spacing: -0.01em;
}

.service-card-desc {
  color: var(--color-gray-600);
  font-size: 0.95rem;
  margin-bottom: var(--space-md);
  flex-grow: 1;
}

.service-features {
  list-style: none;
  border-top: 1px solid var(--color-gray-100);
  padding-top: var(--space-sm);
}

.service-features li {
  font-size: 0.875rem;
  color: var(--color-gray-500);
  margin-bottom: var(--space-xxs);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.service-features li::before {
  content: "—";
  color: var(--color-gray-400);
}

/* --- PROJECTS / GALLERY --- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.gallery-item {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 16 / 11;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to bottom,
    rgba(9, 9, 11, 0) 40%,
    rgba(9, 9, 11, 0.75) 100%
  );
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-md);
  opacity: 0;
  transition: var(--transition-smooth);
  z-index: 2;
}

.gallery-info {
  transform: translateY(10px);
  transition: var(--transition-smooth);
}

.gallery-category {
  color: var(--color-gray-300);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-xxs);
  font-weight: 500;
}

.gallery-title {
  color: var(--color-white);
  font-size: 1.25rem;
  font-weight: 500;
}

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

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

.gallery-item:hover .gallery-info {
  transform: translateY(0);
}

/* --- BRAND PARTNERS --- */
.brands-tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.tab-btn {
  background: none;
  border: 1px solid var(--color-gray-200);
  padding: 0.5rem 1.25rem;
  border-radius: 20px;
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--color-gray-600);
  transition: var(--transition-smooth);
}

.tab-btn:hover, .tab-btn.active {
  background-color: var(--color-black);
  border-color: var(--color-black);
  color: var(--color-white);
}

.brands-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-md);
}

.brand-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: 6px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--color-gray-800);
  letter-spacing: -0.01em;
  transition: var(--transition-smooth);
  user-select: none;
  text-align: center;
}

.brand-card:hover {
  border-color: var(--color-black);
  color: var(--color-black);
  transform: translateY(-2px);
}

.brand-category-label {
  display: block;
  font-size: 0.7rem;
  color: var(--color-gray-400);
  text-transform: uppercase;
  margin-top: 2px;
  font-weight: 400;
  font-family: var(--font-body);
}

/* --- CONTACT SECTION --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-xl);
}

.contact-info-wrap {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.contact-details-grid {
  display: grid;
  gap: var(--space-md);
}

.contact-item {
  display: flex;
  gap: var(--space-sm);
}

.contact-item-icon {
  width: 20px;
  height: 20px;
  color: var(--color-black);
  flex-shrink: 0;
  margin-top: 3px;
}

.contact-item-title {
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: var(--space-xxs);
}

.contact-item-value {
  font-size: 0.95rem;
  color: var(--color-gray-600);
}

.map-container {
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--color-gray-200);
  height: 320px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.03);
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: 0;
  filter: grayscale(100%) invert(5%) contrast(95%);
}

/* Forms styling */
.contact-form {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: 8px;
  padding: var(--space-lg);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.03);
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-black);
  margin-bottom: var(--space-xs);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-gray-200);
  background-color: var(--color-gray-50);
  border-radius: 4px;
  color: var(--color-black);
  transition: var(--transition-smooth);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-black);
  background-color: var(--color-white);
}

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

.form-feedback {
  display: none;
  margin-top: var(--space-sm);
  padding: 0.75rem 1rem;
  border-radius: 4px;
  font-size: 0.9rem;
}

.form-feedback.success {
  display: block;
  background-color: #f4fbf7;
  color: #1b854e;
  border: 1px solid #ccefe0;
}

.form-feedback.error {
  display: block;
  background-color: #fdf5f5;
  color: #c93b3b;
  border: 1px solid #f7dfdf;
}

/* --- FOOTER --- */
.footer {
  background-color: var(--color-black);
  color: var(--color-gray-300);
  padding-top: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-top: 1px solid var(--color-gray-900);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-brand .logo {
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.footer-desc {
  font-size: 0.95rem;
  color: var(--color-gray-400);
  margin-bottom: var(--space-md);
}

.footer-title {
  color: var(--color-white);
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link {
  font-size: 0.9rem;
  color: var(--color-gray-400);
}

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

.footer-bottom {
  border-top: 1px solid var(--color-gray-800);
  padding-top: var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--color-gray-500);
}

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

.footer-bottom-links a:hover {
  color: var(--color-gray-400);
}

/* --- MODAL DIALOGS --- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(9, 9, 11, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-smooth);
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-container {
  background-color: var(--color-white);
  border-radius: 8px;
  width: 100%;
  max-width: 550px;
  position: relative;
  transform: translateY(20px);
  transition: var(--transition-smooth);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  overflow: hidden;
}

.modal-overlay.open .modal-container {
  transform: translateY(0);
}

.modal-header {
  padding: var(--space-md) var(--space-md) var(--space-xs) var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-gray-500);
  padding: 0.25rem;
  transition: var(--transition-fast);
}

.modal-close:hover {
  color: var(--color-black);
}

.modal-body {
  padding: var(--space-md);
}

/* Lightbox Modal Specifics */
.lightbox-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(9, 9, 11, 0.95);
  z-index: 1001;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-smooth);
}

.lightbox-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-content {
  max-width: 90vw;
  max-height: 80vh;
  position: relative;
}

.lightbox-img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: 4px;
}

.lightbox-caption {
  color: var(--color-white);
  margin-top: var(--space-sm);
  font-size: 1.1rem;
  text-align: center;
  font-family: var(--font-heading);
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 2rem;
  cursor: pointer;
  padding: 0.5rem;
}

/* --- RESPONSIVE BREAKPOINTS --- */

@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .brands-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --space-xl: 3rem;
    --space-xxl: 4.5rem;
  }

  .nav-list, .header-actions .btn {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .hero-title {
    font-size: 2.75rem;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .about-content-left {
    padding-right: 0;
  }

  .about-img-right img {
    height: 350px;
  }

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

  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .brands-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-lg);
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.25rem;
  }

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

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

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

  .brands-tabs {
    flex-wrap: wrap;
  }

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

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