/* ===== CSS VARIABLES ===== */
:root {
  --primary: #1a5fe4;
  --primary-dark: #1249b8;
  --primary-light: #e8f0fe;
  --accent: #0d9488;
  --dark: #0f172a;
  --dark-light: #1e293b;
  --gray: #64748b;
  --gray-light: #f1f5f9;
  --white: #ffffff;
  --shadow: 0 4px 24px rgba(26,95,228,0.10);
  --shadow-lg: 0 12px 40px rgba(26,95,228,0.15);
  --radius: 16px;
  --transition: 0.3s cubic-bezier(.4,0,.2,1);
}

/* ===== RESET ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Inter',sans-serif;color:var(--dark);background:var(--white);line-height:1.7;overflow-x:hidden}
a{text-decoration:none;color:inherit}
ul{list-style:none}
img{max-width:100%;display:block}
button,input,textarea,select{font-family:inherit;font-size:inherit}

/* ===== UTILITY ===== */
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:80px 0}
.section-title{font-size:2.2rem;font-weight:800;text-align:center;margin-bottom:12px;color:var(--dark)}
.section-subtitle{text-align:center;color:var(--gray);font-size:1.1rem;margin-bottom:48px;max-width:600px;margin-left:auto;margin-right:auto}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:50px;font-weight:700;font-size:1rem;cursor:pointer;border:none;transition:var(--transition)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 16px rgba(26,95,228,.3)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 8px 24px rgba(26,95,228,.4)}
.btn-outline{background:transparent;color:#fff;border:2px solid #fff}
.btn-outline:hover{background:#fff;color:var(--primary)}
.highlight{color:var(--primary)}

/* ===== NAVBAR ===== */
.navbar{position:fixed;top:0;left:0;width:100%;z-index:1000;padding:16px 0;transition:var(--transition)}
.navbar.scrolled{background:rgba(255,255,255,.95);backdrop-filter:blur(12px);box-shadow:var(--shadow);padding:10px 0}
.navbar .container{display:flex;align-items:center;justify-content:space-between}
.nav-logo{font-size:1.4rem;font-weight:800;color:#fff;display:flex;align-items:center;gap:8px}
.navbar.scrolled .nav-logo{color:var(--primary)}
.nav-logo i{font-size:1.6rem}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{color:rgba(255,255,255,.85);font-weight:500;font-size:.95rem;transition:var(--transition);position:relative}
.navbar.scrolled .nav-links a{color:var(--dark)}
.nav-links a:hover{color:#fff}
.navbar.scrolled .nav-links a:hover{color:var(--primary)}
.nav-actions{display:flex;align-items:center;gap:12px}
.lang-switch{background:rgba(255,255,255,.15);color:#fff;border:1px solid rgba(255,255,255,.3);padding:6px 14px;border-radius:50px;cursor:pointer;font-weight:600;font-size:.85rem;transition:var(--transition)}
.navbar.scrolled .lang-switch{background:var(--primary-light);color:var(--primary);border-color:var(--primary)}
.lang-switch:hover{background:rgba(255,255,255,.3)}
.nav-cta{padding:10px 24px;font-size:.9rem}
.mobile-toggle{display:none;background:none;border:none;color:#fff;font-size:1.5rem;cursor:pointer}
.navbar.scrolled .mobile-toggle{color:var(--dark)}

/* ===== HERO ===== */
.hero{min-height:100vh;display:flex;align-items:center;position:relative;overflow:hidden;background:linear-gradient(135deg,#0f172a 0%,#1a5fe4 50%,#0d9488 100%)}
.hero::before{content:'';position:absolute;inset:0;background:url('images/hero-moving.png') center/cover;opacity:.15}
.hero::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(15,23,42,.85),rgba(26,95,228,.7),rgba(13,148,136,.6))}
.hero-content{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;padding-top:80px}
.hero-text h1{font-size:3.2rem;font-weight:900;color:#fff;line-height:1.15;margin-bottom:20px}
.hero-text h1 span{display:block;background:linear-gradient(90deg,#60a5fa,#34d399);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero-text p{font-size:1.2rem;color:rgba(255,255,255,.8);margin-bottom:32px;max-width:500px}
.hero-buttons{display:flex;gap:16px;flex-wrap:wrap}
.hero-stats{display:flex;gap:40px;margin-top:40px}
.stat{text-align:center}
.stat-number{font-size:2rem;font-weight:800;color:#fff}
.stat-label{font-size:.85rem;color:rgba(255,255,255,.7)}
.hero-image{position:relative;z-index:2}
.hero-image img{border-radius:var(--radius);box-shadow:var(--shadow-lg)}
.hero-badge{position:absolute;bottom:-20px;left:-20px;background:#fff;padding:16px 24px;border-radius:var(--radius);box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:12px}
.hero-badge i{font-size:1.8rem;color:var(--accent)}
.hero-badge span{font-weight:700;font-size:.95rem}

/* Floating shapes */
.float-shape{position:absolute;border-radius:50%;opacity:.08;z-index:1}
.float-shape-1{width:300px;height:300px;background:#60a5fa;top:-50px;right:-100px;animation:float 8s ease-in-out infinite}
.float-shape-2{width:200px;height:200px;background:#34d399;bottom:50px;left:-80px;animation:float 6s ease-in-out infinite reverse}
@keyframes float{0%,100%{transform:translateY(0) rotate(0)}50%{transform:translateY(-30px) rotate(10deg)}}

/* ===== SERVICES ===== */
.services{background:var(--gray-light)}
.services-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.service-card{background:#fff;border-radius:var(--radius);padding:32px 24px;text-align:center;transition:var(--transition);border:1px solid transparent;position:relative;overflow:hidden}
.service-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--primary),var(--accent));transform:scaleX(0);transition:var(--transition);transform-origin:left}
.service-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:rgba(26,95,228,.1)}
.service-card:hover::before{transform:scaleX(1)}
.service-icon{width:64px;height:64px;border-radius:16px;background:var(--primary-light);display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-size:1.6rem;color:var(--primary);transition:var(--transition)}
.service-card:hover .service-icon{background:var(--primary);color:#fff;transform:scale(1.1)}
.service-card h3{font-size:1.05rem;font-weight:700;margin-bottom:8px}
.service-card p{font-size:.9rem;color:var(--gray);line-height:1.6}

/* ===== WHY US ===== */
.why-us .container{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.why-image{position:relative}
.why-image-bg{width:100%;aspect-ratio:1;border-radius:var(--radius);background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center}
.why-image-bg i{font-size:6rem;color:rgba(255,255,255,.3)}
.usp-list{display:flex;flex-direction:column;gap:20px}
.usp-item{display:flex;gap:16px;align-items:flex-start;padding:20px;border-radius:var(--radius);transition:var(--transition)}
.usp-item:hover{background:var(--primary-light)}
.usp-icon{min-width:48px;height:48px;border-radius:12px;background:var(--primary-light);display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:1.2rem;transition:var(--transition)}
.usp-item:hover .usp-icon{background:var(--primary);color:#fff}
.usp-item h3{font-size:1rem;font-weight:700;margin-bottom:4px}
.usp-item p{font-size:.9rem;color:var(--gray)}

/* ===== PROCESS ===== */
.process{background:linear-gradient(135deg,var(--dark) 0%,var(--dark-light) 100%);color:#fff}
.process .section-title{color:#fff}
.process .section-subtitle{color:rgba(255,255,255,.6)}
.process-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;position:relative}
.process-steps::before{content:'';position:absolute;top:48px;left:15%;right:15%;height:2px;background:linear-gradient(90deg,var(--primary),var(--accent));opacity:.3}
.step{text-align:center;position:relative;z-index:2}
.step-number{width:80px;height:80px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-size:1.5rem;font-weight:800;color:#fff;box-shadow:0 8px 24px rgba(26,95,228,.3);transition:var(--transition)}
.step:hover .step-number{transform:scale(1.15)}
.step h3{font-size:1.05rem;font-weight:700;margin-bottom:8px}
.step p{font-size:.9rem;color:rgba(255,255,255,.6);max-width:220px;margin:0 auto}

/* ===== REVIEWS ===== */
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review-card{background:#fff;border-radius:var(--radius);padding:32px;border:1px solid var(--gray-light);transition:var(--transition)}
.review-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.review-stars{color:#fbbf24;margin-bottom:16px;font-size:1.1rem}
.review-text{font-size:.95rem;color:var(--gray);line-height:1.7;margin-bottom:20px;font-style:italic}
.review-author{display:flex;align-items:center;gap:12px}
.review-avatar{width:44px;height:44px;border-radius:50%;background:var(--primary-light);display:flex;align-items:center;justify-content:center;color:var(--primary);font-weight:700;font-size:1.1rem}
.review-name{font-weight:700;font-size:.95rem}
.review-date{font-size:.8rem;color:var(--gray)}

/* ===== CONTACT ===== */
.contact{background:var(--gray-light)}
.contact-wrapper{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.contact-info{display:flex;flex-direction:column;gap:24px}
.contact-info h3{font-size:1.5rem;font-weight:800;margin-bottom:8px}
.contact-info>p{color:var(--gray);margin-bottom:16px}
.contact-item{display:flex;gap:16px;align-items:center}
.contact-item-icon{width:48px;height:48px;border-radius:12px;background:var(--primary-light);display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:1.2rem}
.contact-item-text h4{font-weight:700;font-size:.95rem}
.contact-item-text p,.contact-item-text a{font-size:.9rem;color:var(--gray)}
.contact-form{background:#fff;border-radius:var(--radius);padding:40px;box-shadow:var(--shadow)}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-weight:600;font-size:.9rem;margin-bottom:6px;color:var(--dark)}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:14px 16px;border:2px solid #e2e8f0;border-radius:12px;font-size:.95rem;transition:var(--transition);background:#fff}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(26,95,228,.1)}
.form-group textarea{resize:vertical;min-height:120px}
.form-submit{width:100%;padding:16px;font-size:1.05rem}
.form-message{padding:12px 16px;border-radius:12px;margin-top:16px;display:none;font-weight:600;font-size:.9rem}
.form-message.success{display:block;background:#d1fae5;color:#065f46}
.form-message.error{display:block;background:#fee2e2;color:#991b1b}

/* ===== FOOTER ===== */
.footer{background:var(--dark);color:rgba(255,255,255,.7);padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand p{font-size:.9rem;line-height:1.7;margin-top:12px;max-width:300px}
.footer h4{color:#fff;font-size:1rem;font-weight:700;margin-bottom:16px}
.footer ul li{margin-bottom:10px}
.footer ul a{color:rgba(255,255,255,.6);font-size:.9rem;transition:var(--transition)}
.footer ul a:hover{color:#fff;padding-left:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;justify-content:space-between;align-items:center;font-size:.85rem}

/* ===== WHATSAPP BUTTON ===== */
.whatsapp-btn{position:fixed;bottom:28px;right:28px;width:60px;height:60px;background:#25d366;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.8rem;z-index:999;box-shadow:0 4px 16px rgba(37,211,102,.4);transition:var(--transition);cursor:pointer;border:none}
.whatsapp-btn:hover{transform:scale(1.1);box-shadow:0 8px 24px rgba(37,211,102,.5)}

/* ===== AI CHATBOT ===== */
.chat-toggle{position:fixed;bottom:28px;left:28px;width:60px;height:60px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.5rem;z-index:999;box-shadow:0 4px 16px rgba(26,95,228,.4);cursor:pointer;border:none;transition:var(--transition)}
.chat-toggle:hover{transform:scale(1.1)}
.chatbot{position:fixed;bottom:100px;left:28px;width:360px;max-height:500px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-lg);z-index:998;display:none;flex-direction:column;overflow:hidden;border:1px solid #e2e8f0}
.chatbot.open{display:flex}
.chat-header{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;padding:16px 20px;display:flex;align-items:center;justify-content:space-between}
.chat-header h4{font-weight:700;display:flex;align-items:center;gap:8px}
.chat-close{background:none;border:none;color:#fff;font-size:1.2rem;cursor:pointer}
.chat-messages{flex:1;padding:16px;overflow-y:auto;max-height:320px;display:flex;flex-direction:column;gap:12px}
.chat-msg{max-width:85%;padding:10px 14px;border-radius:12px;font-size:.9rem;line-height:1.5}
.chat-msg.bot{background:var(--primary-light);color:var(--dark);align-self:flex-start;border-bottom-left-radius:4px}
.chat-msg.user{background:var(--primary);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.chat-input-area{display:flex;gap:8px;padding:12px 16px;border-top:1px solid #e2e8f0}
.chat-input-area input{flex:1;padding:10px 14px;border:2px solid #e2e8f0;border-radius:50px;font-size:.9rem}
.chat-input-area input:focus{outline:none;border-color:var(--primary)}
.chat-input-area button{background:var(--primary);color:#fff;border:none;width:40px;height:40px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1rem}

/* ===== SCROLL ANIMATIONS ===== */
.fade-up{opacity:0;transform:translateY(30px);transition:opacity .6s ease,transform .6s ease}
.fade-up.visible{opacity:1;transform:translateY(0)}

/* ===== MOBILE NAV ===== */
.mobile-menu{display:none;position:fixed;inset:0;background:rgba(15,23,42,.97);z-index:1001;flex-direction:column;align-items:center;justify-content:center;gap:24px}
.mobile-menu.active{display:flex}
.mobile-menu a{color:#fff;font-size:1.3rem;font-weight:600}
.mobile-close{position:absolute;top:20px;right:24px;background:none;border:none;color:#fff;font-size:2rem;cursor:pointer}

/* ===== RESPONSIVE ===== */
@media(max-width:1024px){
  .hero-content{grid-template-columns:1fr;text-align:center}
  .hero-text p{margin:0 auto 32px}
  .hero-buttons{justify-content:center}
  .hero-stats{justify-content:center}
  .hero-image{display:block;margin-top:40px}
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .why-us .container{grid-template-columns:1fr}
  .why-image{display:block;margin-bottom:30px}
  .process-steps{grid-template-columns:repeat(2,1fr)}
  .process-steps::before{display:none}
  .reviews-grid{grid-template-columns:1fr}
  .contact-wrapper{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .mobile-toggle{display:block}
  .hero-text h1{font-size:2.2rem}
  .section{padding:60px 0}
  .section-title{font-size:1.8rem}
  .services-grid{grid-template-columns:1fr}
  .process-steps{grid-template-columns:1fr;gap:24px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:12px;text-align:center}
  .chatbot{width:calc(100vw - 32px);left:16px;right:16px;bottom:96px}
}