/* ==========================================================================
   VARIABLES & THEME
   ========================================================================== */
   :root {
    /* Colors Premium - Blue & Gold theme */
    --primary: #1e3a8a; /* Deep Royal Blue */
    --primary-light: #3b82f6;
    --secondary: #d4af37; /* Premium Gold */
    --secondary-hover: #b49126;
    --dark: #0f172a;
    --light: #f8fafc;
    --white: #ffffff;
    --gray: #64748b;
    --gray-light: #e2e8f0;
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Effects */
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --radius: 12px;
}

/* ==========================================================================
   RESET & BASICS
   ========================================================================== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-body); color: var(--dark); line-height: 1.6; background-color: var(--white); overflow-x: hidden; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); font-weight: 700; line-height: 1.2; color: var(--dark); }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section-padding { padding: 100px 0; }
.bg-light { background-color: var(--light); }
.text-center { text-align: center; }

/* Typography & Utils */
.section-subtitle { color: var(--primary-light); font-size: 1.125rem; text-transform: uppercase; letter-spacing: 2px; margin-bottom: 8px; font-weight: 600; }
.section-title { font-size: 2.5rem; margin-bottom: 24px; }
.img-fluid { border-radius: var(--radius); box-shadow: var(--shadow-md); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 12px 28px; border-radius: 50px; font-weight: 600; font-size: 1rem; cursor: pointer; transition: var(--transition); gap: 10px; border: 2px solid transparent; }
.btn-primary { background-color: var(--primary); color: var(--white); box-shadow: 0 4px 14px 0 rgba(30, 58, 138, 0.39); }
.btn-primary:hover { background-color: var(--dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(15, 23, 42, 0.4); color: var(--white); }
.btn-secondary { background-color: var(--secondary); color: var(--dark); box-shadow: 0 4px 14px 0 rgba(212, 175, 55, 0.39); }
.btn-secondary:hover { background-color: var(--secondary-hover); transform: translateY(-2px); color: var(--dark); }
.btn-large { padding: 16px 36px; font-size: 1.125rem; }

/* ==========================================================================
   NAVBAR
   ========================================================================== */
.navbar { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; padding: 20px 0; transition: var(--transition); background: transparent; }
.navbar.scrolled { background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(10px); padding: 15px 0; box-shadow: var(--shadow-sm); border-bottom: 1px solid var(--gray-light); }
.navbar.scrolled .logo a, .navbar.scrolled .nav-link, .navbar.scrolled .lang-btn, .navbar.scrolled .burger-menu { color: var(--dark); }
.navbar.scrolled .lang-btn { border-color: var(--gray-light); }
.nav-container { display: flex; justify-content: space-between; align-items: center; }
.logo a { font-family: var(--font-heading); font-size: 1.8rem; font-weight: 800; color: var(--white); }
.logo span { color: var(--secondary); }
.nav-links { display: flex; gap: 30px; }
.nav-link { color: var(--white); font-weight: 500; font-size: 1.05rem; position: relative; }
.nav-link::after { content: ''; position: absolute; width: 0; height: 2px; bottom: -4px; left: 0; background-color: var(--secondary); transition: var(--transition); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-actions { display: flex; align-items: center; gap: 20px; }
.lang-switch { display: flex; gap: 5px; border: 1px solid rgba(255,255,255,0.3); border-radius: 20px; padding: 3px; }
.lang-btn { background: transparent; border: none; color: var(--white); padding: 4px 10px; border-radius: 15px; font-weight: 600; cursor: pointer; font-size: 0.85rem; transition: var(--transition); }
.lang-btn.active { background: var(--primary); color: var(--white) !important; }
.burger-menu { display: none; background: none; border: none; color: var(--white); font-size: 1.5rem; cursor: pointer; }

/* Mobile Menu */
.mobile-menu { position: fixed; top: 0; right: -100%; width: 100%; max-width: 400px; height: 100vh; background-color: var(--white); z-index: 1001; padding: 80px 40px; box-shadow: -10px 0 30px rgba(0,0,0,0.1); transition: right 0.4s ease-in-out; }
.mobile-menu.open { right: 0; }
.close-menu { position: absolute; top: 25px; right: 30px; background: none; border: none; font-size: 2rem; color: var(--dark); cursor: pointer; }
.mobile-nav-links { display: flex; flex-direction: column; gap: 25px; }
.mobile-link { font-family: var(--font-heading); font-size: 1.5rem; font-weight: 600; color: var(--dark); }
.mobile-cta { margin-top: 20px; width: 100%; }

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero { position: relative; height: 100vh; min-height: 700px; display: flex; align-items: center; background: url('../assets/images/hero.jpg') center/cover no-repeat; }
.hero-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(90deg, rgba(15, 23, 42, 0.85) 0%, rgba(15, 23, 42, 0.4) 100%); }
.hero-content { position: relative; z-index: 1; color: var(--white); max-width: 800px; }
.hero-title { font-size: 4rem; color: var(--white); margin-bottom: 20px; }
.hero-subtitle { font-size: 1.25rem; color: var(--gray-light); margin-bottom: 40px; max-width: 600px; }
.hero-buttons { display: flex; gap: 20px; margin-bottom: 50px; }

/* ==========================================================================
   TRUST BAR
   ========================================================================== */
.trust-bar { background-color: var(--white); padding: 30px 0; border-bottom: 1px solid var(--gray-light); margin-top: -5px; position: relative; z-index: 2; box-shadow: 0 5px 15px rgba(0,0,0,0.05); }
.trust-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; text-align: left; }
.trust-item { display: flex; align-items: center; gap: 15px; }
.trust-item i { font-size: 2rem; color: var(--primary); }
.trust-item h4 { font-size: 1.1rem; margin-bottom: 0; }
.trust-item p { font-size: 0.9rem; color: var(--gray); margin-bottom: 0; }

/* ==========================================================================
   ABOUT SECTION
   ========================================================================== */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.benefits-list { margin-top: 30px; display: flex; flex-direction: column; gap: 15px; }
.benefits-list li { display: flex; align-items: center; gap: 12px; font-size: 1.1rem; font-weight: 500; }
.benefits-list i { color: var(--primary-light); font-size: 1.25rem; }
.image-wrapper { position: relative; }
.experience-badge { position: absolute; bottom: -30px; left: -30px; background-color: var(--secondary); padding: 30px; border-radius: 50%; display: flex; flex-direction: column; align-items: center; justify-content: center; width: 140px; height: 140px; box-shadow: var(--shadow-lg); color: var(--dark); text-align: center; }
.experience-badge .number { font-family: var(--font-heading); font-size: 2rem; font-weight: 800; line-height: 1; }
.experience-badge .text { font-size: 0.9rem; font-weight: 600; text-transform: uppercase; }

/* ==========================================================================
   SERVICES SECTION
   ========================================================================== */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; margin-top: 50px; }
.service-card { background: var(--white); padding: 40px 30px; border-radius: var(--radius); box-shadow: var(--shadow-sm); transition: var(--transition); position: relative; overflow: hidden; z-index: 1; border-bottom: 4px solid transparent; }
.service-card::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(135deg, var(--light) 0%, var(--white) 100%); z-index: -1; }
.service-card:hover { transform: translateY(-10px); box-shadow: var(--shadow-lg); border-bottom-color: var(--primary); }
.service-icon { width: 70px; height: 70px; background-color: var(--primary); color: var(--secondary); border-radius: 20px; display: flex; align-items: center; justify-content: center; font-size: 2rem; margin-bottom: 25px; box-shadow: 0 10px 20px rgba(30, 58, 138, 0.2); transform: rotate(-5deg); transition: var(--transition); }
.service-card:hover .service-icon { transform: rotate(0) scale(1.1); }
.service-card h3 { font-size: 1.5rem; margin-bottom: 15px; }
.service-card p { color: var(--gray); }

/* ==========================================================================
   PORTFOLIO SECTION
   ========================================================================== */
.portfolio-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; margin-top: 40px; }
.portfolio-item { position: relative; overflow: hidden; border-radius: var(--radius); cursor: pointer; aspect-ratio: 4/3; }
.portfolio-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.portfolio-item:hover img { transform: scale(1.1); }
.portfolio-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(30, 58, 138, 0.7); display: flex; align-items: center; justify-content: center; opacity: 0; transition: var(--transition); }
.portfolio-item:hover .portfolio-overlay { opacity: 1; }
.portfolio-overlay i { color: var(--white); font-size: 3rem; transform: translateY(20px); transition: transform 0.4s ease; }
.portfolio-item:hover .portfolio-overlay i { transform: translateY(0); }

/* Lightbox Modal */
.lightbox { display: none; position: fixed; z-index: 2000; padding-top: 50px; left: 0; top: 0; width: 100%; height: 100%; overflow: auto; background-color: rgba(0,0,0,0.9); }
.lightbox.open { display: block; }
.lightbox-content { margin: auto; display: block; width: 80%; max-width: 900px; border-radius: var(--radius); }
.close-lightbox { position: absolute; top: 15px; right: 35px; color: #f1f1f1; font-size: 40px; font-weight: bold; transition: 0.3s; cursor: pointer; }
.close-lightbox:hover, .close-lightbox:focus { color: var(--secondary); text-decoration: none; cursor: pointer; }

/* ==========================================================================
   TESTIMONIALS SECTION
   ========================================================================== */
.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; margin-top: 40px; }
.testi-card { background: var(--white); padding: 40px 30px; border-radius: var(--radius); box-shadow: var(--shadow-sm); position: relative; }
.testi-card .stars { color: var(--secondary); font-size: 1.2rem; margin-bottom: 15px; }
.testi-text { font-size: 1.1rem; font-style: italic; color: var(--gray); margin-bottom: 20px; line-height: 1.8; }
.testi-name { font-weight: 700; color: var(--dark); font-family: var(--font-heading); }

/* ==========================================================================
   FAQ SECTION
   ========================================================================== */
.faq-accordion { max-width: 800px; margin: 40px auto 0; }
.faq-item { margin-bottom: 15px; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); background: var(--white); border: 1px solid var(--gray-light); }
.faq-question { width: 100%; padding: 20px; text-align: left; background: none; border: none; font-size: 1.1rem; font-weight: 600; font-family: var(--font-body); color: var(--dark); cursor: pointer; display: flex; justify-content: space-between; align-items: center; transition: var(--transition); }
.faq-question:hover { background: var(--light); }
.faq-question i { color: var(--primary); transition: transform 0.3s ease; }
.faq-question.active i { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease-out; background: var(--white); }
.faq-answer p { padding: 0 20px 20px; color: var(--gray); }

/* ==========================================================================
   CTA SECTION
   ========================================================================== */
.cta-section { background: linear-gradient(135deg, var(--primary) 0%, var(--dark) 100%); padding: 80px 0; color: var(--white); }
.cta-section h2 { color: var(--white); margin-bottom: 20px; }
.cta-section p { font-size: 1.2rem; color: var(--gray-light); margin-bottom: 30px; }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer { background-color: var(--dark); color: var(--gray-light); padding: 80px 0 20px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1.5fr 1fr; gap: 50px; margin-bottom: 50px; }
.footer-logo { font-family: var(--font-heading); font-size: 2rem; font-weight: 800; color: var(--white); display: inline-block; margin-bottom: 20px; }
.footer-logo span { color: var(--secondary); }
.social-links { display: flex; gap: 15px; margin-top: 20px; }
.social-links a { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; background: rgba(255,255,255,0.1); border-radius: 50%; color: var(--white); transition: var(--transition); }
.social-links a:hover { background: var(--primary); transform: translateY(-3px); }
.footer h4 { color: var(--white); font-size: 1.3rem; margin-bottom: 25px; position: relative; padding-bottom: 10px; }
.footer h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 40px; height: 2px; background-color: var(--secondary); }
.contact-info li { display: flex; gap: 15px; margin-bottom: 20px; }
.contact-info i { color: var(--secondary); font-size: 1.2rem; margin-top: 5px; }
.contact-info strong { display: block; color: var(--white); margin-bottom: 5px; }
.footer-links li { margin-bottom: 15px; }
.footer-links a:hover { color: var(--secondary); padding-left: 5px; }
.footer-bottom { text-align: center; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.1); font-size: 0.9rem; }

/* ==========================================================================
   FLOATING WHATSAPP
   ========================================================================== */
.floating-whatsapp { position: fixed; bottom: 30px; right: 30px; background-color: #25d366; color: white; border-radius: 50%; width: 60px; height: 60px; display: flex; align-items: center; justify-content: center; font-size: 2rem; box-shadow: 2px 2px 10px rgba(0,0,0,0.2); z-index: 1000; transition: transform 0.3s ease; }
.floating-whatsapp:hover { transform: scale(1.1); color: white; }

/* ==========================================================================
   ANIMATIONS (Micro-animations)
   ========================================================================== */
.reveal-up { opacity: 0; transform: translateY(40px); transition: all 0.8s cubic-bezier(0.5, 0, 0, 1); }
.reveal-up.active { opacity: 1; transform: translateY(0); }
.slide-in-left { opacity: 0; transform: translateX(-50px); transition: all 0.8s cubic-bezier(0.5, 0, 0, 1); }
.slide-in-left.active { opacity: 1; transform: translateX(0); }
.slide-in-right { opacity: 0; transform: translateX(50px); transition: all 0.8s cubic-bezier(0.5, 0, 0, 1); }
.slide-in-right.active { opacity: 1; transform: translateX(0); }

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

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 992px) {
    .nav-links, .navbar .btn-primary { display: none; }
    .burger-menu { display: block; }
    .hero-title { font-size: 3rem; }
    .about-grid, .footer-grid { grid-template-columns: 1fr; }
    .experience-badge { bottom: -20px; left: -10px; }
}

@media (max-width: 768px) {
    .hero-buttons { flex-direction: column; }
    .hero-title { font-size: 2.5rem; }
    .trust-grid { grid-template-columns: 1fr; gap: 30px; }
    .floating-whatsapp { width: 50px; height: 50px; font-size: 1.5rem; bottom: 20px; right: 20px; }
}