/* ÇAYAN MEKANİK - Professional Theme */
@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@400;500;600;700;800&family=DM+Sans:wght@400;500;600&display=swap');

:root {
  --primary: #0A3D62;
  --primary-dark: #062743;
  --primary-light: #1E5F8A;
  --accent: #17A589;
  --accent-light: #1ABC9C;
  --dark: #0D1B2A;
  --gray-900: #1B2838;
  --gray-800: #2C3E50;
  --gray-700: #34495E;
  --gray-600: #5D6D7E;
  --gray-500: #85929E;
  --gray-400: #AAB7B8;
  --gray-300: #D5DBDB;
  --gray-200: #EAEDED;
  --gray-100: #F4F6F6;
  --white: #FFFFFF;
  --font-display: 'Archivo', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --section-padding: clamp(60px, 10vw, 120px);
  --container-width: 1320px;
  --transition-fast: 0.2s ease;
  --transition-medium: 0.4s ease;
  --shadow-sm: 0 2px 4px rgba(13,27,42,0.08);
  --shadow-md: 0 4px 12px rgba(13,27,42,0.12);
  --shadow-lg: 0 8px 30px rgba(13,27,42,0.18);
  --shadow-xl: 0 20px 60px rgba(13,27,42,0.25);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-body); color: var(--gray-800); background: var(--white); line-height: 1.7; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition-fast); }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container { width: 100%; max-width: var(--container-width); margin: 0 auto; padding: 0 24px; }
.section { padding: var(--section-padding) 0; }
.section--dark { background: var(--dark); color: var(--white); }
.section--gray { background: var(--gray-100); }
.section--gradient { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); color: var(--white); }

.heading-xl { font-family: var(--font-display); font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 800; line-height: 1.1; }
.heading-lg { font-family: var(--font-display); font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; line-height: 1.2; }
.heading-md { font-family: var(--font-display); font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 600; line-height: 1.3; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 16px 32px; font-family: var(--font-display); font-weight: 600; font-size: 0.9375rem; border-radius: 4px; transition: all var(--transition-medium); }
.btn--primary { background: var(--accent); color: var(--white); }
.btn--primary:hover { background: #128C7E; transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn--outline { background: transparent; border: 2px solid var(--white); color: var(--white); }
.btn--outline:hover { background: var(--white); color: var(--primary); }
.btn--dark { background: var(--dark); color: var(--white); }
.btn--dark:hover { background: var(--gray-900); transform: translateY(-2px); }
.btn--lg { padding: 20px 40px; font-size: 1rem; }

/* Header */
.header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(255,255,255,0.98); backdrop-filter: blur(20px); border-bottom: 1px solid var(--gray-200); transition: all var(--transition-medium); }
.header.scrolled { box-shadow: var(--shadow-md); }
.header__inner { display: flex; align-items: center; justify-content: space-between; height: 80px; }
.header__logo { height: 45px; width: auto; }
.header__nav { display: flex; align-items: center; gap: 40px; }
.nav__list { display: flex; gap: 36px; }
.nav__link { font-family: var(--font-display); font-weight: 500; font-size: 0.9375rem; color: var(--gray-800); position: relative; padding: 8px 0; }
.nav__link::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--accent); transition: width var(--transition-medium); }
.nav__link:hover::after, .nav__link.active::after { width: 100%; }
.nav__link:hover, .nav__link.active { color: var(--primary); }

.lang-switcher { display: flex; gap: 8px; margin-left: 20px; padding-left: 20px; border-left: 1px solid var(--gray-300); }
.lang-btn { padding: 6px 12px; font-family: var(--font-display); font-weight: 600; font-size: 0.8125rem; border-radius: 4px; color: var(--gray-600); }
.lang-btn:hover { color: var(--primary); background: var(--gray-100); }
.lang-btn.active { background: var(--primary); color: var(--white); }

.mobile-toggle { display: none; flex-direction: column; gap: 6px; padding: 10px; }
.mobile-toggle span { display: block; width: 24px; height: 2px; background: var(--dark); transition: all var(--transition-fast); }

/* Hero */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; background: var(--dark); overflow: hidden; }
.hero__bg { position: absolute; inset: 0; background: linear-gradient(135deg, var(--primary-dark) 0%, var(--dark) 50%, var(--gray-900) 100%); }
.hero__pattern { position: absolute; inset: 0; opacity: 0.05; background-image: linear-gradient(30deg, var(--accent) 12%, transparent 12.5%, transparent 87%, var(--accent) 87.5%); background-size: 80px 140px; }
.hero__content { position: relative; z-index: 2; max-width: 800px; padding-top: 80px; }
.hero__badge { display: inline-flex; align-items: center; gap: 10px; padding: 8px 20px; background: rgba(23,165,137,0.15); border: 1px solid rgba(23,165,137,0.3); border-radius: 100px; color: var(--accent-light); font-family: var(--font-display); font-weight: 600; font-size: 0.875rem; margin-bottom: 24px; animation: fadeInUp 0.8s ease-out; }
.hero__badge svg { width: 18px; height: 18px; }
.hero__title { color: var(--white); margin-bottom: 24px; animation: fadeInUp 0.8s ease-out 0.1s both; }
.hero__title span { color: var(--accent-light); }
.hero__desc { font-size: 1.25rem; color: var(--gray-400); margin-bottom: 40px; max-width: 600px; animation: fadeInUp 0.8s ease-out 0.2s both; }
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; animation: fadeInUp 0.8s ease-out 0.3s both; }
.hero__stats { display: flex; gap: 60px; margin-top: 80px; padding-top: 40px; border-top: 1px solid rgba(255,255,255,0.1); animation: fadeInUp 0.8s ease-out 0.4s both; }
.hero__stat-value { font-family: var(--font-display); font-size: 3rem; font-weight: 800; color: var(--white); line-height: 1; }
.hero__stat-value span { color: var(--accent-light); }
.hero__stat-label { color: var(--gray-500); font-size: 0.9375rem; margin-top: 8px; }

/* Services */
.services__header { text-align: center; max-width: 700px; margin: 0 auto 60px; }
.services__label, .about__label, .products__label, .references__label { display: inline-block; font-family: var(--font-display); font-weight: 700; font-size: 0.75rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--accent); margin-bottom: 16px; }
.services__title { margin-bottom: 20px; }
.services__desc { color: var(--gray-600); font-size: 1.125rem; }
.services__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 24px; }

.service-card { position: relative; background: var(--white); border: 1px solid var(--gray-200); border-radius: 8px; padding: 40px; transition: all var(--transition-medium); overflow: hidden; }
.service-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform var(--transition-medium); }
.service-card:hover { border-color: var(--gray-300); box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.service-card:hover::before { transform: scaleX(1); }
.service-card__icon { width: 60px; height: 60px; display: flex; align-items: center; justify-content: center; background: var(--gray-100); border-radius: 8px; margin-bottom: 24px; transition: all var(--transition-medium); }
.service-card__icon svg { width: 32px; height: 32px; color: var(--primary); transition: color var(--transition-medium); }
.service-card:hover .service-card__icon { background: var(--accent); }
.service-card:hover .service-card__icon svg { color: var(--white); }
.service-card__title { font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; color: var(--dark); margin-bottom: 12px; }
.service-card__list { color: var(--gray-600); font-size: 0.9375rem; margin-bottom: 20px; }
.service-card__list li { padding: 6px 0 6px 20px; position: relative; }
.service-card__list li::before { content: ''; position: absolute; left: 0; top: 14px; width: 6px; height: 6px; background: var(--accent); border-radius: 50%; }
.service-card__link { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-display); font-weight: 600; font-size: 0.9375rem; color: var(--primary); }
.service-card__link svg { width: 18px; height: 18px; transition: transform var(--transition-fast); }
.service-card__link:hover { color: var(--accent); }
.service-card__link:hover svg { transform: translateX(4px); }

/* About */
.about__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about__title { margin-bottom: 24px; }
.about__text { color: var(--gray-600); margin-bottom: 24px; }
.about__features { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 40px 0; }
.about__feature { display: flex; align-items: flex-start; gap: 16px; }
.about__feature-icon { width: 48px; height: 48px; display: flex; align-items: center; justify-content: center; background: var(--gray-100); border-radius: 8px; flex-shrink: 0; }
.about__feature-icon svg { width: 24px; height: 24px; color: var(--accent); }
.about__feature-title { font-family: var(--font-display); font-weight: 600; color: var(--dark); margin-bottom: 4px; }
.about__feature-text { font-size: 0.875rem; color: var(--gray-600); }
.about__visual { position: relative; }
.about__image { border-radius: 8px; overflow: hidden; }
.about__experience { position: absolute; bottom: -30px; left: -30px; background: var(--primary); color: var(--white); padding: 30px; border-radius: 8px; text-align: center; box-shadow: var(--shadow-xl); }
.about__experience-value { font-family: var(--font-display); font-size: 3.5rem; font-weight: 800; line-height: 1; }
.about__experience-label { font-size: 0.9375rem; opacity: 0.9; margin-top: 8px; }

/* Products */
.products__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.product-card { position: relative; background: var(--white); border: 1px solid var(--gray-200); border-radius: 8px; overflow: hidden; transition: all var(--transition-medium); cursor: pointer; text-decoration: none; }
.product-card:hover { border-color: var(--gray-300); box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.product-card__image { position: relative; aspect-ratio: 4/3; overflow: hidden; background: var(--gray-100); }
.product-card__image img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-medium); }
.product-card:hover .product-card__image img { transform: scale(1.05); }
.product-card__overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(13,27,42,0.8) 0%, transparent 50%); opacity: 0; transition: opacity var(--transition-medium); display: flex; align-items: flex-end; justify-content: center; padding: 20px; }
.product-card:hover .product-card__overlay { opacity: 1; }
.product-card__overlay span { color: var(--white); font-family: var(--font-display); font-weight: 600; }
.product-card__content { padding: 24px; }
.product-card__title { font-family: var(--font-display); font-weight: 600; font-size: 1.125rem; color: var(--dark); margin-bottom: 8px; }
.product-card__count { font-size: 0.875rem; color: var(--gray-500); }

/* Product Gallery */
.product-gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 20px; margin-top: 40px; }
.product-item { background: var(--white); border: 1px solid var(--gray-200); border-radius: 8px; overflow: hidden; transition: all var(--transition-medium); cursor: pointer; }
.product-item:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: var(--accent); }
.product-item__image { aspect-ratio: 1; overflow: hidden; background: var(--gray-100); }
.product-item__image img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-medium); }
.product-item:hover .product-item__image img { transform: scale(1.08); }
.product-item__name { padding: 16px; font-family: var(--font-display); font-weight: 600; font-size: 0.9375rem; color: var(--dark); text-align: center; border-top: 1px solid var(--gray-200); }

/* References */
.references__header { text-align: center; margin-bottom: 60px; }
.references__label { color: var(--accent-light); }
.references__title { color: var(--white); }
.references__grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 40px; align-items: center; }
.reference-item { display: flex; align-items: center; justify-content: center; padding: 20px; background: rgba(255,255,255,0.05); border-radius: 8px; }
.reference-item img { max-height: 60px; filter: brightness(0) invert(1); opacity: 0.7; transition: opacity var(--transition-medium); }
.reference-item:hover img { opacity: 1; }

/* Contact */
.contact__grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 60px; }
.contact__desc { color: var(--gray-600); margin-bottom: 40px; }
.contact__details { display: flex; flex-direction: column; gap: 24px; }
.contact__item { display: flex; gap: 16px; }
.contact__item-icon { width: 50px; height: 50px; display: flex; align-items: center; justify-content: center; background: var(--gray-100); border-radius: 8px; flex-shrink: 0; }
.contact__item-icon svg { width: 24px; height: 24px; color: var(--accent); }
.contact__item-label { font-size: 0.875rem; color: var(--gray-500); margin-bottom: 4px; }
.contact__item-value { font-family: var(--font-display); font-weight: 600; color: var(--dark); }
.contact__item-value a:hover { color: var(--accent); }
.contact__form { background: var(--gray-100); padding: 40px; border-radius: 8px; }
.contact__form h4 { font-family: var(--font-display); font-size: 1.25rem; margin-bottom: 24px; }
.form__group { margin-bottom: 20px; }
.form__label { display: block; font-family: var(--font-display); font-weight: 500; font-size: 0.9375rem; margin-bottom: 8px; }
.form__input, .form__textarea { width: 100%; padding: 14px 18px; font-family: var(--font-body); font-size: 1rem; border: 1px solid var(--gray-300); border-radius: 6px; background: var(--white); transition: all var(--transition-fast); }
.form__input:focus, .form__textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(23,165,137,0.15); }
.form__textarea { resize: vertical; min-height: 120px; }

/* Page Header */
.page-header { position: relative; padding: 160px 0 80px; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); color: var(--white); overflow: hidden; }
.page-header__pattern { position: absolute; inset: 0; opacity: 0.05; background-image: linear-gradient(30deg, var(--accent) 12%, transparent 12.5%, transparent 87%, var(--accent) 87.5%); background-size: 80px 140px; }
.page-header__content { position: relative; text-align: center; }
.page-header__breadcrumb { display: flex; align-items: center; justify-content: center; gap: 12px; font-size: 0.9375rem; margin-bottom: 16px; opacity: 0.8; }
.page-header__breadcrumb a:hover { color: var(--accent-light); }
.page-header__title { font-family: var(--font-display); font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; }

/* Footer */
.footer { background: var(--dark); color: var(--white); padding: 80px 0 0; }
.footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 60px; padding-bottom: 60px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer__brand img { height: 50px; margin-bottom: 20px; filter: brightness(0) invert(1); }
.footer__brand p { color: var(--gray-500); font-size: 0.9375rem; line-height: 1.8; }
.footer__title { font-family: var(--font-display); font-weight: 700; font-size: 1rem; margin-bottom: 24px; }
.footer__links li { margin-bottom: 12px; }
.footer__links a { color: var(--gray-500); font-size: 0.9375rem; }
.footer__links a:hover { color: var(--accent-light); }
.footer__bottom { padding: 24px 0; display: flex; justify-content: space-between; align-items: center; }
.footer__copyright { color: var(--gray-600); font-size: 0.875rem; }

/* WhatsApp - SAĞ TARAF */
.whatsapp-btn { position: fixed; bottom: 30px; right: 30px; width: 60px; height: 60px; display: flex; align-items: center; justify-content: center; background: #25D366; border-radius: 50%; box-shadow: 0 4px 20px rgba(37,211,102,0.4); z-index: 999; transition: all var(--transition-fast); }
.whatsapp-btn:hover { transform: scale(1.1); }
.whatsapp-btn svg { width: 32px; height: 32px; color: var(--white); }

/* Hero Slider */
.hero-slider { position: relative; min-height: 85vh; overflow: hidden; }
.hero-slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1s ease; }
.hero-slide.active { opacity: 1; }
.hero-slide__bg { position: absolute; inset: 0; background-size: cover; background-position: center; }
.hero-slide__bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(10,61,98,0.9) 0%, rgba(13,27,42,0.85) 100%); }
.hero-slide__content { position: relative; z-index: 2; height: 85vh; display: flex; align-items: center; padding-top: 80px; }
.hero-slider__nav { position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%); display: flex; gap: 12px; z-index: 10; }
.hero-slider__dot { width: 12px; height: 12px; border-radius: 50%; background: rgba(255,255,255,0.4); cursor: pointer; transition: all var(--transition-fast); }
.hero-slider__dot.active { background: var(--accent); width: 36px; border-radius: 6px; }

/* Referanslar Carousel */
.references { padding: 60px 0; background: var(--gray-100); overflow: hidden; }
.references__title { text-align: center; font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; color: var(--dark); margin-bottom: 40px; }
.references__track { display: flex; animation: scroll 25s linear infinite; width: max-content; }
.references__track:hover { animation-play-state: paused; }
.reference-logo { flex-shrink: 0; width: 180px; height: 80px; display: flex; align-items: center; justify-content: center; margin: 0 30px; filter: grayscale(100%); opacity: 0.7; transition: all var(--transition-medium); }
.reference-logo:hover { filter: grayscale(0%); opacity: 1; }
.reference-logo img { max-width: 140px; max-height: 60px; object-fit: contain; }
@keyframes scroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* Hizmetler Ana Sayfa Kartları - Görsel ile */
.services-home__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.services-home__grid--row2 { grid-template-columns: repeat(2, 1fr); max-width: 700px; margin: 24px auto 0; }
.services-home__grid--equal { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.services-home__grid--equal .service-home-card:nth-child(4),
.services-home__grid--equal .service-home-card:nth-child(5) { grid-column: span 1; }
@media (min-width: 768px) {
  .services-home__grid--equal { grid-template-columns: repeat(6, 1fr); }
  .services-home__grid--equal .service-home-card:nth-child(1),
  .services-home__grid--equal .service-home-card:nth-child(2),
  .services-home__grid--equal .service-home-card:nth-child(3) { grid-column: span 2; }
  .services-home__grid--equal .service-home-card:nth-child(4) { grid-column: 2 / span 2; }
  .services-home__grid--equal .service-home-card:nth-child(5) { grid-column: 4 / span 2; }
}
.service-home-card { position: relative; border-radius: 12px; overflow: hidden; aspect-ratio: 4/3; cursor: pointer; }
.service-home-card img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-medium); }
.service-home-card:hover img { transform: scale(1.08); }
.service-home-card__overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.2) 60%, transparent 100%); display: flex; align-items: flex-end; padding: 24px; }
.service-home-card__title { color: var(--white); font-family: var(--font-display); font-size: 1.25rem; font-weight: 700; }

/* Hizmet Detay Sayfası */
.service-detail { padding: 80px 0; }
.service-detail__header { text-align: center; margin-bottom: 60px; }

/* Page Header with Background Image */
.page-header--image { position: relative; min-height: 350px; display: flex; align-items: center; }
.page-header--image .page-header__bg { position: absolute; inset: 0; background-size: cover; background-position: center; }
.page-header--image .page-header__bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(10,61,98,0.85) 0%, rgba(13,27,42,0.8) 100%); }
.page-header--image .page-header__content { position: relative; z-index: 2; }
.service-detail__list { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 16px; margin: 30px 0; }
.service-detail__list-item { display: flex; align-items: center; gap: 12px; padding: 16px 20px; background: var(--gray-100); border-radius: 8px; font-family: var(--font-display); font-weight: 500; }
.service-detail__list-item::before { content: '✓'; display: flex; align-items: center; justify-content: center; width: 24px; height: 24px; background: var(--accent); color: white; border-radius: 50%; font-size: 0.75rem; flex-shrink: 0; }
.service-detail__content { max-width: 900px; margin: 0 auto; }
.service-detail__content p { margin-bottom: 20px; line-height: 1.8; color: var(--gray-700); }

@media (max-width: 992px) {
  .services-home__grid { grid-template-columns: repeat(2, 1fr); }
  .services-home__grid--row2 { grid-template-columns: 1fr; max-width: 340px; }
}
@media (max-width: 576px) {
  .services-home__grid, .services-home__grid--row2 { grid-template-columns: 1fr; }
  .hero-slider { min-height: 100vh; }
  .hero-slide__content { height: 100vh; }
}

/* Lightbox */
.lightbox { position: fixed; inset: 0; background: rgba(0,0,0,0.95); z-index: 9999; display: none; align-items: center; justify-content: center; padding: 40px; }
.lightbox.active { display: flex; }
.lightbox__content { position: relative; max-width: 90%; max-height: 90%; }
.lightbox__image { max-width: 100%; max-height: 85vh; border-radius: 8px; }
.lightbox__close { position: absolute; top: -50px; right: 0; width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; background: rgba(255,255,255,0.1); border-radius: 50%; cursor: pointer; }
.lightbox__close:hover { background: var(--accent); }
.lightbox__close svg { width: 24px; height: 24px; color: var(--white); }
.lightbox__nav { position: absolute; top: 50%; transform: translateY(-50%); width: 50px; height: 50px; display: flex; align-items: center; justify-content: center; background: rgba(255,255,255,0.1); border-radius: 50%; cursor: pointer; }
.lightbox__nav:hover { background: var(--accent); }
.lightbox__nav--prev { left: -70px; }
.lightbox__nav--next { right: -70px; }
.lightbox__nav svg { width: 24px; height: 24px; color: var(--white); }

/* Animations */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
.reveal { opacity: 0; transform: translateY(40px); transition: all 0.8s ease; }
.reveal.active { opacity: 1; transform: translateY(0); }

/* Mobile Nav */
.mobile-nav { position: fixed; top: 80px; left: 0; right: 0; background: var(--white); padding: 24px; box-shadow: var(--shadow-lg); transform: translateY(-100%); opacity: 0; visibility: hidden; transition: all var(--transition-medium); z-index: 999; }
.mobile-nav.active { transform: translateY(0); opacity: 1; visibility: visible; }
.mobile-nav__list { display: flex; flex-direction: column; gap: 8px; }
.mobile-nav__link { display: block; padding: 12px 16px; font-family: var(--font-display); font-weight: 500; color: var(--gray-800); border-radius: 6px; }
.mobile-nav__link:hover, .mobile-nav__link.active { background: var(--gray-100); color: var(--primary); }

/* Responsive */
@media (max-width: 1200px) {
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .references__grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 992px) {
  .about__grid { grid-template-columns: 1fr; gap: 60px; }
  .about__visual { order: -1; }
  .contact__grid { grid-template-columns: 1fr; gap: 40px; }
  .nav__list { display: none; }
  .mobile-toggle { display: flex; }
  .header__nav { gap: 20px; }
}
@media (max-width: 768px) {
  .hero__stats { gap: 30px; flex-wrap: wrap; }
  .hero__stat-value { font-size: 2.5rem; }
  .about__features { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: 40px; }
  .footer__bottom { flex-direction: column; gap: 16px; text-align: center; }
  .references__grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .services__grid { grid-template-columns: 1fr; }
}
@media (max-width: 576px) {
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; }
  .about__experience { position: relative; bottom: auto; left: auto; margin-top: -60px; margin-left: 20px; margin-right: 20px; }
  .lightbox__nav { display: none; }
  .product-gallery { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .product-item__name { padding: 12px; font-size: 0.8125rem; }
  .products__grid { grid-template-columns: 1fr; }
}

/* Lightbox */
.lightbox { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.9); z-index: 9999; justify-content: center; align-items: center; }
.lightbox.active { display: flex; }
.lightbox__img { max-width: 90%; max-height: 90%; object-fit: contain; }
.lightbox__close { position: absolute; top: 20px; right: 30px; color: #fff; font-size: 40px; cursor: pointer; }
.product-item__image { cursor: pointer; }