:root {
    --brand-dark-blue: #1A36A8; 
    --brand-light-blue: #1591EA; 
    --brand-very-light: #eef8ff;
    --text-main: #1f2937;
    --text-muted: #4b5563;
    --bg-light: #f3f4f6;
    --bg-white: #ffffff;
    --success-green: #25D366; 
    --google-blue: #4285F4;
    --border-radius: 12px;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s ease-in-out;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: 'Inter', sans-serif; color: var(--text-main); background-color: var(--bg-white); line-height: 1.6; -webkit-font-smoothing: antialiased; display: flex; flex-direction: column; min-height: 100vh; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

.container { width: 100%; padding: 0 20px; margin: 0 auto; }
.section-padding { padding: 80px 0; }

h1, h2, h3, h4 { font-weight: 700; line-height: 1.3; color: var(--brand-dark-blue); }
.section-title { text-align: center; font-size: 2.2rem; margin-bottom: 12px; }
.section-subtitle { text-align: center; color: var(--text-muted); margin-bottom: 50px; font-size: 1.1rem; max-width: 700px; margin-left: auto; margin-right: auto; }

/* HEADER & NAV */
header { position: fixed; top: 0; left: 0; width: 100%; background: var(--bg-white); box-shadow: var(--shadow-sm); z-index: 1000; height: 80px; display: flex; align-items: center; }
.header-inner { display: flex; justify-content: space-between; align-items: center; width: 100%; }
.hamburger { display: block; font-size: 1.6rem; color: var(--brand-dark-blue); cursor: pointer; border: none; background: none; }
.nav-links { position: fixed; top: 80px; left: -100%; width: 100%; height: calc(100vh - 80px); background: var(--bg-white); flex-direction: column; align-items: center; justify-content: flex-start; padding-top: 3rem; gap: 1.5rem; transition: var(--transition); box-shadow: var(--shadow-md); display: flex; z-index: 999; }
.nav-links.active { left: 0; }
.nav-links > a, .dropdown > a { font-size: 1.2rem; font-weight: 600; color: var(--brand-dark-blue); transition: var(--transition); display: block; }
.nav-links > a.active, .nav-links > a:hover, .dropdown > a.active, .dropdown > a:hover { color: var(--brand-light-blue); }

.dropdown { position: relative; display: inline-block; width: 100%; text-align: center; }
.dropdown-menu { display: none; position: static; background-color: transparent; box-shadow: none; border-radius: 8px; padding: 10px 0; z-index: 1010; border: none; width: 100%; }
.dropdown-menu a { color: var(--text-muted); padding: 10px 20px; text-decoration: none; display: block; font-size: 1.05rem; font-weight: 500; text-align: center; transition: var(--transition); }
.dropdown-menu a:hover { color: var(--brand-light-blue); }
.dropdown:hover .dropdown-menu { display: block; }

/* BUTTONS */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 15px 28px; border-radius: 8px; font-weight: 600; font-size: 1rem; transition: var(--transition); text-align: center; border: none; cursor: pointer; }
.btn-primary { background-color: var(--brand-light-blue); color: var(--bg-white); box-shadow: 0 4px 15px rgba(21, 145, 234, 0.4); }
.btn-primary:hover { background-color: #0d75c2; transform: translateY(-2px); color: #fff; }
.btn-dark { background-color: var(--brand-dark-blue); color: var(--bg-white); }
.btn-dark:hover { background-color: #13277c; transform: translateY(-2px); color: #fff; }
.btn-whatsapp { background-color: var(--success-green); color: var(--bg-white); box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3); }
.btn-whatsapp:hover { background-color: #1ebe56; transform: translateY(-2px); color: #fff; }


.sticky-buttons { position: fixed; top: 90px; right: 25px; display: flex; align-items: center; gap: 10px; z-index: 999; }
.sticky-call { height: 56px; background-color: #FF8C00; color: white; border-radius: 50px; display: flex; align-items: center; justify-content: center; gap: 10px; padding: 0 24px; font-size: 1rem; font-weight: 700; box-shadow: var(--shadow-lg); transition: var(--transition); white-space: nowrap; text-decoration: none; }
.sticky-call i { font-size: 1.2rem; }
.sticky-call:hover { background-color: #e07800; transform: scale(1.05); color: white; }
.sticky-whatsapp { height: 56px; background-color: #25D366; color: white; border-radius: 50px; display: flex; align-items: center; justify-content: center; gap: 10px; padding: 0 24px; font-size: 1rem; font-weight: 700; box-shadow: var(--shadow-lg); transition: var(--transition); white-space: nowrap; text-decoration: none; }
.sticky-whatsapp i { font-size: 1.2rem; }
.sticky-whatsapp:hover { background-color: #1ebe56; transform: scale(1.05); color: white; }

/* COMPONENTS & PAGES */
.page-banner { margin-top: 80px; padding: 60px 0; background-color: var(--brand-dark-blue); color: #fff; text-align: center; }
.page-banner h1 { color: #fff; font-size: 2.4rem; }

.hero { margin-top: 80px; padding: 100px 20px; color: var(--bg-white); text-align: center; }
.hero-badge { display: inline-block; background: rgba(255,255,255,0.18); border: 1px solid rgba(255,255,255,0.3); padding: 6px 18px; border-radius: 30px; font-size: 0.9rem; font-weight: 600; margin-bottom: 25px; }
.hero h1 { color: #fff; font-size: 2.6rem; margin-bottom: 20px; text-shadow: 0 2px 4px rgba(0,0,0,0.2); }
.hero p { font-size: 1.2rem; margin-bottom: 35px; max-width: 700px; margin-left: auto; margin-right: auto; opacity: 0.95; }
.hero-buttons { display: flex; flex-direction: column; gap: 15px; justify-content: center; }

.trust-bar { background-color: var(--brand-very-light); padding: 22px 0; border-bottom: 1px solid #e1f0fc; }
.trust-grid { display: grid; grid-template-columns: 1fr; gap: 15px; text-align: center; }
.trust-item { display: flex; align-items: center; justify-content: center; gap: 10px; font-weight: 600; color: var(--brand-dark-blue); font-size: 0.95rem; }

.services-grid { display: grid; grid-template-columns: 1fr; gap: 30px; }
.service-card { background: var(--bg-white); border-radius: var(--border-radius); padding: 40px 30px; box-shadow: var(--shadow-md); border-top: 4px solid var(--brand-dark-blue); transition: var(--transition); display: flex; flex-direction: column; text-align: left; }
.service-card.priority { border-top-color: var(--brand-light-blue); border: 2px solid var(--brand-light-blue); }
.service-icon { display: inline-flex; align-items: center; justify-content: center; width: 70px; height: 70px; background-color: var(--bg-light); border-radius: 50%; color: var(--brand-dark-blue); font-size: 1.8rem; margin-bottom: 20px; }
.service-card h3 { font-size: 1.5rem; margin-bottom: 15px; text-align: left; }
.service-card p { color: var(--text-muted); margin-bottom: 20px; flex-grow: 1; text-align: left; }

.gallery-category-title { font-size: 1.4rem; color: var(--brand-dark-blue); margin-top: 35px; margin-bottom: 20px; padding-bottom: 10px; border-bottom: 2px solid var(--brand-light-blue); }
.gallery-category-title:first-of-type { margin-top: 0; }
.gallery-placeholder { color: var(--text-muted); font-style: italic; padding: 30px; text-align: center; }
.gallery-grid { display: grid; grid-template-columns: 1fr; gap: 20px; margin-bottom: 20px; }
.gallery-item { position: relative; border-radius: var(--border-radius); overflow: hidden; box-shadow: var(--shadow-md); display: block; aspect-ratio: 4/3; cursor: pointer; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.gallery-item:hover img { transform: scale(1.05); }
.gallery-overlay { position: absolute; bottom: 0; left: 0; width: 100%; padding: 30px 20px 15px 20px; background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.5) 60%, transparent 100%); color: white; pointer-events: none; }
.gallery-overlay h4 { font-size: 1.1rem; color: white; margin-top: 3px; }
.gallery-video-item { position: relative; }
.gallery-video-thumb { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.gallery-video-item:hover .gallery-video-thumb { transform: scale(1.05); }
.gallery-play-btn { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 60px; height: 60px; background: rgba(0,0,0,0.6); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: white; font-size: 1.3rem; pointer-events: none; transition: background 0.3s; }
.gallery-video-item:hover .gallery-play-btn { background: var(--brand-blue); }


.references-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 40px; }
.ref-card { background-color: var(--brand-very-light); padding: 25px 15px; border-radius: var(--border-radius); text-align: center; display: flex; flex-direction: column; align-items: center; justify-content: center; transition: var(--transition); border: 1px solid #e1f0fc; }
.ref-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); background-color: #fff; }
.ref-name { font-weight: 700; color: var(--brand-dark-blue); margin-bottom: 15px; font-size: 1.1rem; }
.ref-logo-circle { width: 110px; height: 110px; background-color: #ffffff; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 10px rgba(0,0,0,0.06); overflow: hidden; position: relative; border: 1px solid #eee; }
.img-cover { width: 100% !important; height: 100% !important; object-fit: cover !important; border-radius: 50%; }
.img-contain-multiply { width: 100% !important; height: 100% !important; object-fit: contain !important; padding: 12px !important; mix-blend-mode: multiply; }

/* ARTICLE & FAQ */
.article-container { max-width: 800px; margin: 120px auto 60px auto; padding: 0 20px; }
.article-img { width: 100%; border-radius: var(--border-radius); margin-bottom: 30px; box-shadow: var(--shadow-md); }
.article-title { font-size: 2.5rem; margin-bottom: 20px; line-height: 1.3; color: var(--brand-dark-blue); }
.article-content { font-size: 1.1rem; line-height: 1.8; color: var(--text-main); }
.article-content h2 { font-size: 1.8rem; margin: 40px 0 20px 0; color: var(--brand-dark-blue); }
.article-content h3 { font-size: 1.4rem; margin: 30px 0 15px 0; color: var(--brand-light-blue); }
.article-content p { margin-bottom: 20px; }
.article-content ul { margin-bottom: 20px; padding-left: 20px; list-style-type: disc; }
.article-content li { margin-bottom: 10px; }

.faq-section { margin-top: 50px; background: var(--brand-very-light); padding: 30px; border-radius: var(--border-radius); }
.faq-item { border-bottom: 1px solid #d1d5db; padding: 15px 0; }
.faq-item:last-child { border-bottom: none; }
.faq-question { font-weight: 700; color: var(--brand-dark-blue); font-size: 1.15rem; margin-bottom: 10px; }
.faq-answer { color: var(--text-muted); font-size: 1rem; line-height: 1.6; }

/* FOOTER */
footer { background-color: #111827; color: #f9fafb; padding: 80px 0 30px; margin-top: auto; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 40px; margin-bottom: 50px; }
.footer-col h4 { color: var(--brand-light-blue); font-size: 1.25rem; margin-bottom: 25px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }
.footer-contact li { display: flex; align-items: flex-start; gap: 15px; margin-bottom: 20px; font-size: 0.95rem; color: #d1d5db; }
.footer-contact i { color: var(--brand-light-blue); font-size: 1.3rem; width: 25px; text-align: center; margin-top: 3px; }
.footer-areas ul { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.footer-areas li { font-size: 0.95rem; color: #d1d5db; display: flex; align-items: center; gap: 8px; }
.footer-areas li::before { content: '✓'; color: var(--brand-light-blue); font-weight: bold; }
.footer-bottom { text-align: center; padding-top: 30px; border-top: 1px solid #374151; font-size: 0.9rem; color: #9ca3af; }

/* FOOTER SOCIAL */
.footer-social { margin-top: 20px; display: flex; gap: 15px; }
.footer-social a { color: #9ca3af; font-size: 1.5rem; transition: var(--transition); display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; background-color: rgba(255,255,255,0.05); border-radius: 50%; }
.footer-social a:hover { color: #E1306C; background-color: rgba(225,48,108,0.1); }

/* SERVICE DETAIL PAGES */
.content-block { display: grid; grid-template-columns: 1fr; gap: 40px; margin-top: 40px; }
.service-img { width: 100%; border-radius: var(--border-radius); box-shadow: var(--shadow-md); margin-bottom: 30px; }
.price-table { width: 100%; border-collapse: collapse; margin-top: 20px; box-shadow: var(--shadow-sm); border-radius: 8px; overflow: hidden; }
.price-table th, .price-table td { padding: 15px; text-align: left; border-bottom: 1px solid #e5e7eb; }
.price-table th { background-color: var(--brand-light-blue); color: #fff; font-weight: 600; }
.price-table tr:nth-child(even) { background-color: var(--brand-very-light); }
.service-list { margin-top: 20px; }
.service-list li { margin-bottom: 15px; display: flex; align-items: flex-start; gap: 12px; line-height: 1.6; }
.service-list li i { margin-top: 4px; font-size: 1.1rem; }

/* INDUSTRIAL PAGE */
.corporate-box { background-color: var(--bg-light); padding: 40px; border-radius: var(--border-radius); margin-top: 60px; border-left: 5px solid var(--brand-dark-blue); }
.industrial-grid { display: grid; grid-template-columns: 1fr; gap: 30px; margin-top: 40px; }
.ind-card { background-color: #fff; padding: 35px 25px; border-radius: 8px; box-shadow: var(--shadow-sm); border: 1px solid #e5e7eb; transition: var(--transition); text-align: center; }
.ind-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: var(--brand-light-blue); }
.full-img { width: 100%; border-radius: var(--border-radius); box-shadow: var(--shadow-md); margin-bottom: 30px; max-height: 400px; object-fit: cover; }

/* CONTACT PAGE */
.contact-layout { display: grid; grid-template-columns: 1fr; gap: 50px; margin-top: 40px; }
.info-card { background-color: var(--brand-very-light); padding: 40px 30px; border-radius: var(--border-radius); border: 1px solid #e1f0fc; height: 100%; }
.form-container { background-color: #fff; padding: 40px 30px; border-radius: var(--border-radius); box-shadow: var(--shadow-sm); border: 1px solid #e5e7eb; }
.form-input { width: 100%; padding: 15px; margin-bottom: 20px; border-radius: 8px; border: 1px solid #d1d5db; font-family: inherit; font-size: 0.95rem; background-color: #f9fafb; transition: var(--transition); }
.form-input:focus { outline: none; border-color: var(--brand-light-blue); background-color: #fff; box-shadow: 0 0 0 3px rgba(21, 145, 234, 0.1); }
.map-wrapper { width: 100%; border-radius: var(--border-radius); overflow: hidden; box-shadow: var(--shadow-md); margin-top: 50px; border: 1px solid #e5e7eb; }
.map-wrapper iframe { width: 100%; height: 450px; border: none; display: block; }

/* BLOG LIST PAGE */
.blog-list-grid { display: grid; grid-template-columns: 1fr; gap: 40px; margin-top: 40px; }
.blog-item-card { background-color: #fff; border: 1px solid #e5e7eb; border-radius: var(--border-radius); overflow: hidden; box-shadow: var(--shadow-sm); display: flex; flex-direction: column; transition: var(--transition); }
.blog-item-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: var(--brand-light-blue); }
.blog-post-body { padding: 35px; }
.blog-date { font-size: 0.85rem; color: var(--brand-light-blue); font-weight: 700; text-transform: uppercase; letter-spacing: 1px; display: inline-block; margin-bottom: 10px; }
.blog-title { font-size: 1.5rem; margin-bottom: 15px; color: var(--brand-dark-blue); line-height: 1.4; }
.blog-excerpt { color: var(--text-muted); font-size: 1rem; line-height: 1.7; margin-bottom: 20px; }
.blog-read-more { font-weight: 600; color: var(--brand-dark-blue); display: inline-flex; align-items: center; gap: 8px; transition: var(--transition); }
.blog-read-more:hover { color: var(--brand-light-blue); gap: 12px; }

@media (max-width: 480px) {
    .sticky-buttons { right: 10px; gap: 6px; top: 85px; }
    .sticky-call, .sticky-whatsapp { padding: 0 14px; font-size: 0.85rem; height: 44px; }
}

/* RESPONSIVE */
@media (min-width: 768px) {
    .container { max-width: 720px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .hero h1 { font-size: 3.5rem; }
    .hero-buttons { flex-direction: row; }
    .trust-grid { grid-template-columns: repeat(3, 1fr); }
    .services-grid { grid-template-columns: repeat(3, 1fr); }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
    .references-grid { grid-template-columns: repeat(5, 1fr); }
    .content-block { grid-template-columns: 1.5fr 1fr; }
    .industrial-grid { grid-template-columns: repeat(3, 1fr); }
    .contact-layout { grid-template-columns: 1.2fr 1fr; }
    .blog-list-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
    .container { max-width: 1140px; }
    .hamburger { display: none; }
    .nav-links { position: static; height: auto; width: auto; flex-direction: row; background: transparent; box-shadow: none; gap: 30px; display: flex; padding-top: 0; }
    .nav-links > a, .dropdown > a { font-size: 1rem; }
    .dropdown { width: auto; text-align: left; }
    .dropdown-menu { position: absolute; background-color: var(--bg-white); min-width: 220px; box-shadow: var(--shadow-lg); border: 1px solid #e5e7eb; width: auto; }
    .dropdown-menu a { text-align: left; }
    .dropdown-menu a:hover { background-color: var(--brand-very-light); }
    .footer-grid { grid-template-columns: 2fr 1.5fr 1.5fr; }
    .gallery-grid { grid-template-columns: repeat(3, 1fr); }
}