/* ============================================
   ESTÉTCAR — Design System Premium Dark
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Montserrat:wght@600;700;800&display=swap');

/* --- CSS Custom Properties --- */
:root {
  --bg-primary: #0A0A0A;
  --bg-secondary: #121212;
  --bg-card: #1A1A1A;
  --accent-gold: #D4AF37;
  --accent-gold-hover: #E5C04B;
  --accent-gold-dim: rgba(212,175,55,0.15);
  --text-primary: #F5F5F5;
  --text-secondary: #A0A0A0;
  --text-muted: #6B6B6B;
  --border: #2A2A2A;
  --whatsapp: #25D366;
  --danger: #E53935;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --shadow: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-gold: 0 4px 24px rgba(212,175,55,0.2);
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
  --max-width: 1200px;
}

/* --- Reset --- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Inter',sans-serif;background:var(--bg-primary);color:var(--text-secondary);line-height:1.7;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
h1,h2,h3,h4{font-family:'Montserrat',sans-serif;color:var(--text-primary);line-height:1.2}
button{cursor:pointer;border:none;font-family:'Montserrat',sans-serif}
section{padding:100px 0}
.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}

/* --- Animations --- */
@keyframes fadeInUp{from{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.08)}}
@keyframes shimmer{0%{background-position:-200% 0}100%{background-position:200% 0}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@keyframes scrollDown{0%{opacity:0;transform:translateY(-8px)}50%{opacity:1}100%{opacity:0;transform:translateY(8px)}}

.animate-on-scroll{opacity:0;transform:translateY(40px);transition:opacity 0.7s var(--transition),transform 0.7s var(--transition)}
.animate-on-scroll.visible{opacity:1;transform:translateY(0)}
.delay-1{transition-delay:0.1s}
.delay-2{transition-delay:0.2s}
.delay-3{transition-delay:0.3s}
.delay-4{transition-delay:0.4s}

/* --- Section Title --- */
.section-title{text-align:center;margin-bottom:64px}
.section-title h2{font-size:clamp(28px,4vw,40px);font-weight:700;margin-bottom:16px}
.section-title p{font-size:18px;color:var(--text-secondary);max-width:600px;margin:0 auto}
.section-title .gold-line{width:60px;height:3px;background:var(--accent-gold);margin:16px auto 0;border-radius:2px}

/* ============================================
   NAVBAR
   ============================================ */
.navbar{position:fixed;top:0;left:0;width:100%;z-index:1000;padding:16px 0;transition:var(--transition)}
.navbar.scrolled{background:rgba(10,10,10,0.92);backdrop-filter:blur(20px);border-bottom:1px solid var(--border);padding:12px 0}
.navbar .container{display:flex;align-items:center;justify-content:space-between}
.navbar-logo{font-family:'Montserrat',sans-serif;font-size:24px;font-weight:800;color:var(--text-primary);letter-spacing:1px}
.navbar-logo span{color:var(--accent-gold)}
.nav-links{display:flex;gap:32px;align-items:center}
.nav-links a{color:var(--text-secondary);font-size:14px;font-weight:500;transition:var(--transition);position:relative}
.nav-links a::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--accent-gold);transition:var(--transition)}
.nav-links a:hover{color:var(--text-primary)}
.nav-links a:hover::after{width:100%}
.btn-cta{background:var(--accent-gold);color:var(--bg-primary);padding:12px 28px;border-radius:var(--radius-sm);font-size:14px;font-weight:700;transition:var(--transition);display:inline-flex;align-items:center;gap:8px}
.btn-cta:hover{background:var(--accent-gold-hover);transform:translateY(-2px);box-shadow:var(--shadow-gold)}
.btn-cta i{font-size:18px}
.mobile-toggle{display:none;background:none;color:var(--text-primary);font-size:28px}

/* Mobile Nav */
.mobile-nav{display:none;position:fixed;top:0;left:0;width:100%;height:100vh;background:rgba(10,10,10,0.98);z-index:999;flex-direction:column;align-items:center;justify-content:center;gap:32px}
.mobile-nav.active{display:flex}
.mobile-nav a{font-family:'Montserrat',sans-serif;font-size:24px;color:var(--text-primary);font-weight:600}
.mobile-nav .close-btn{position:absolute;top:20px;right:24px;background:none;color:var(--text-primary);font-size:32px}

/* ============================================
   HERO
   ============================================ */
.hero{min-height:100vh;display:flex;align-items:center;position:relative;overflow:hidden;padding-top:80px}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;filter:brightness(0.3)}
.hero-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(10,10,10,0.85) 0%,rgba(10,10,10,0.6) 50%,rgba(10,10,10,0.85) 100%)}
.hero .container{position:relative;z-index:2}
.hero-content{max-width:720px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:var(--accent-gold-dim);border:1px solid rgba(212,175,55,0.3);color:var(--accent-gold);padding:8px 16px;border-radius:50px;font-size:13px;font-weight:600;margin-bottom:24px;animation:fadeIn 1s ease}
.hero-badge i{font-size:16px}
.hero h1{font-size:clamp(36px,5vw,56px);font-weight:800;margin-bottom:20px;animation:fadeInUp 0.8s ease}
.hero h1 .gold{color:var(--accent-gold)}
.hero-text{font-size:clamp(16px,2vw,20px);color:var(--text-secondary);margin-bottom:32px;max-width:600px;line-height:1.8;animation:fadeInUp 0.8s ease 0.2s both}
.hero-flags{display:flex;gap:12px;margin-bottom:40px;animation:fadeInUp 0.8s ease 0.3s both}
.hero-flags img{width:36px;height:24px;border-radius:3px;box-shadow:0 2px 8px rgba(0,0,0,0.3);transition:var(--transition)}
.hero-flags img:hover{transform:scale(1.15)}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;animation:fadeInUp 0.8s ease 0.4s both}
.btn-cta-lg{background:var(--accent-gold);color:var(--bg-primary);padding:16px 36px;border-radius:var(--radius-sm);font-size:16px;font-weight:700;display:inline-flex;align-items:center;gap:10px;transition:var(--transition)}
.btn-cta-lg:hover{background:var(--accent-gold-hover);transform:translateY(-3px);box-shadow:var(--shadow-gold)}
.btn-outline{border:2px solid var(--border);color:var(--text-primary);padding:14px 32px;border-radius:var(--radius-sm);font-size:16px;font-weight:600;display:inline-flex;align-items:center;gap:10px;transition:var(--transition);background:transparent}
.btn-outline:hover{border-color:var(--accent-gold);color:var(--accent-gold)}
.scroll-indicator{position:absolute;bottom:32px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--text-muted);font-size:12px}
.scroll-indicator span{width:24px;height:40px;border:2px solid var(--text-muted);border-radius:12px;display:flex;justify-content:center;padding-top:8px}
.scroll-indicator span::after{content:'';width:4px;height:8px;background:var(--accent-gold);border-radius:2px;animation:scrollDown 2s infinite}

/* ============================================
   CREDIBILITY BAR
   ============================================ */
.credibility{padding:48px 0;background:var(--bg-secondary);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.credibility .container{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.cred-item{text-align:center;padding:16px}
.cred-item i{font-size:32px;color:var(--accent-gold);margin-bottom:12px;display:block}
.cred-item .cred-number{font-family:'Montserrat',sans-serif;font-size:36px;font-weight:800;color:var(--text-primary);display:block}
.cred-item .cred-label{font-size:14px;color:var(--text-secondary);margin-top:4px}

/* ============================================
   ABOUT / INTERNATIONAL MASTER
   ============================================ */
.about{background:var(--bg-primary)}
.about-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:64px;align-items:center}
.about-photo{position:relative}
.about-photo img{border-radius:var(--radius-lg);border:3px solid var(--accent-gold);box-shadow:var(--shadow-gold)}
.about-photo::before{content:'';position:absolute;top:-16px;left:-16px;right:16px;bottom:16px;border:2px solid var(--accent-gold-dim);border-radius:var(--radius-lg);z-index:-1}
.about-info{display:flex;align-items:center;gap:12px;margin-top:20px}
.about-info-text h4{font-size:18px;font-weight:700}
.about-info-text span{font-size:13px;color:var(--accent-gold);font-weight:600}
.about-flags{display:flex;gap:8px;margin-top:16px}
.about-flags img{width:28px;height:19px;border-radius:2px}
.about-text h2{font-size:clamp(28px,3.5vw,40px);font-weight:700;margin-bottom:24px}
.about-text h2 .gold{color:var(--accent-gold)}
.about-text p{margin-bottom:16px;font-size:16px;line-height:1.8}
.about-text .highlight-box{background:var(--bg-card);border-left:4px solid var(--accent-gold);padding:20px 24px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin:24px 0;font-style:italic;color:var(--text-primary)}

/* ============================================
   SERVICES
   ============================================ */
.services{background:var(--bg-secondary)}
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.service-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:40px 32px;transition:var(--transition);position:relative;overflow:hidden}
.service-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--accent-gold);transform:scaleX(0);transition:var(--transition);transform-origin:left}
.service-card:hover{transform:translateY(-8px);border-color:var(--accent-gold);box-shadow:var(--shadow-gold)}
.service-card:hover::before{transform:scaleX(1)}
.service-card .service-icon{width:64px;height:64px;background:var(--accent-gold-dim);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;margin-bottom:24px}
.service-card .service-icon i{font-size:28px;color:var(--accent-gold)}
.service-card h3{font-size:22px;font-weight:700;margin-bottom:12px}
.service-card p{font-size:15px;line-height:1.7;margin-bottom:20px}
.service-tag{display:inline-flex;align-items:center;gap:6px;background:var(--accent-gold-dim);color:var(--accent-gold);padding:6px 14px;border-radius:50px;font-size:12px;font-weight:600}
.service-tag i{font-size:14px}

/* ============================================
   DIFFERENTIALS
   ============================================ */
.differentials{background:var(--bg-primary)}
.diff-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.diff-item{display:flex;align-items:flex-start;gap:16px;padding:24px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);transition:var(--transition)}
.diff-item:hover{border-color:var(--accent-gold);transform:translateY(-4px)}
.diff-item i{font-size:24px;color:var(--accent-gold);flex-shrink:0;margin-top:2px}
.diff-item h4{font-size:16px;font-weight:700;color:var(--text-primary);margin-bottom:4px}
.diff-item p{font-size:14px;color:var(--text-secondary)}

/* ============================================
   GALLERY
   ============================================ */
.gallery{background:var(--bg-secondary)}
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.gallery-card{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3;background:var(--bg-card);border:1px solid var(--border)}
.gallery-card img{width:100%;height:100%;object-fit:cover;transition:var(--transition)}
.gallery-card:hover img{transform:scale(1.05)}
.gallery-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,0.8) 0%,transparent 60%);display:flex;align-items:flex-end;padding:20px;opacity:0;transition:var(--transition)}
.gallery-card:hover .gallery-overlay{opacity:1}
.gallery-overlay span{color:var(--text-primary);font-size:14px;font-weight:600}
.gallery-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:var(--text-muted)}
.gallery-placeholder i{font-size:48px}
.gallery-placeholder span{font-size:14px}

/* ============================================
   FAQ
   ============================================ */
.faq{background:var(--bg-primary)}
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:12px;overflow:hidden;transition:var(--transition)}
.faq-item.active{border-color:var(--accent-gold)}
.faq-question{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;cursor:pointer;background:var(--bg-card);transition:var(--transition)}
.faq-question:hover{background:var(--bg-secondary)}
.faq-question h4{font-size:16px;font-weight:600;color:var(--text-primary);padding-right:16px}
.faq-question i{font-size:20px;color:var(--accent-gold);transition:var(--transition);flex-shrink:0}
.faq-item.active .faq-question i{transform:rotate(180deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height 0.4s ease}
.faq-answer p{padding:0 24px 20px;font-size:15px;line-height:1.8;color:var(--text-secondary)}

/* ============================================
   CONTACT / LOCATION
   ============================================ */
.contact{background:var(--bg-secondary)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact-info{display:flex;flex-direction:column;gap:24px}
.contact-item{display:flex;align-items:flex-start;gap:16px}
.contact-item i{font-size:24px;color:var(--accent-gold);flex-shrink:0;margin-top:2px}
.contact-item h4{font-size:16px;font-weight:600;color:var(--text-primary);margin-bottom:4px}
.contact-item p,.contact-item a{font-size:15px;color:var(--text-secondary)}
.contact-item a:hover{color:var(--accent-gold)}
.contact-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.contact-tag{background:var(--accent-gold-dim);color:var(--accent-gold);padding:6px 14px;border-radius:50px;font-size:12px;font-weight:600}
.contact-map{border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);height:400px}
.contact-map iframe{width:100%;height:100%;border:0;filter:grayscale(0.8) brightness(0.7) contrast(1.2)}
.contact-cta{margin-top:32px}

/* ============================================
   FOOTER
   ============================================ */
.footer{background:var(--bg-primary);border-top:1px solid var(--border);padding:48px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:48px;margin-bottom:40px}
.footer-brand p{font-size:14px;color:var(--text-muted);margin-top:12px;line-height:1.7}
.footer-links h4,.footer-contact h4{font-size:14px;font-weight:700;color:var(--text-primary);margin-bottom:16px;text-transform:uppercase;letter-spacing:1px}
.footer-links a{display:block;font-size:14px;color:var(--text-secondary);margin-bottom:10px;transition:var(--transition)}
.footer-links a:hover{color:var(--accent-gold);padding-left:4px}
.footer-contact p,.footer-contact a{font-size:14px;color:var(--text-secondary);margin-bottom:8px;display:flex;align-items:center;gap:8px}
.footer-contact a:hover{color:var(--accent-gold)}
.footer-contact i{color:var(--accent-gold);font-size:16px}
.footer-seo{font-size:13px;color:var(--text-muted);text-align:center;padding:24px 0;border-top:1px solid var(--border);line-height:1.7}
.footer-bottom{text-align:center;padding-top:16px;border-top:1px solid var(--border);font-size:13px;color:var(--text-muted)}
.footer-bottom a{color:var(--accent-gold)}

/* ============================================
   FLOATING WHATSAPP
   ============================================ */
.whatsapp-float{position:fixed;bottom:24px;right:24px;z-index:900;width:60px;height:60px;background:var(--whatsapp);border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 16px rgba(37,211,102,0.4);transition:var(--transition);animation:pulse 2s infinite}
.whatsapp-float i{font-size:30px;color:#fff}
.whatsapp-float:hover{transform:scale(1.1);box-shadow:0 6px 24px rgba(37,211,102,0.5)}
.whatsapp-tooltip{position:absolute;right:72px;top:50%;transform:translateY(-50%);background:var(--bg-card);color:var(--text-primary);padding:8px 16px;border-radius:var(--radius-sm);font-size:13px;font-weight:500;white-space:nowrap;opacity:0;pointer-events:none;transition:var(--transition);border:1px solid var(--border)}
.whatsapp-float:hover .whatsapp-tooltip{opacity:1}

/* ============================================
   RESPONSIVE
   ============================================ */
@media(max-width:1024px){
  .services-grid,.diff-grid{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr;gap:40px}
  .about-photo{max-width:400px;margin:0 auto}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  section{padding:72px 0}
  .nav-links,.btn-cta-nav{display:none}
  .mobile-toggle{display:block}
  .credibility .container{grid-template-columns:repeat(2,1fr)}
  .services-grid,.gallery-grid{grid-template-columns:1fr}
  .diff-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .hero-cta{flex-direction:column}
  .btn-cta-lg,.btn-outline{width:100%;justify-content:center}
  .hero h1{font-size:32px}
}