@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');
@import url('variables.css');

/* === RESET & BASE === */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font-primary);color:var(--gray-700);line-height:1.7;background:var(--white);overflow-x:hidden}
a{text-decoration:none;color:var(--blue-primary);transition:var(--transition-base)}
a:hover{color:var(--blue-tech)}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4,h5,h6{color:var(--gray-900);line-height:1.3;font-weight:700}
h1{font-size:clamp(2rem,5vw,3.5rem)}
h2{font-size:clamp(1.75rem,4vw,2.5rem)}
h3{font-size:clamp(1.25rem,3vw,1.5rem)}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
section{padding:100px 0}

/* === BUTTONS === */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:var(--radius-md);font-weight:600;font-size:0.95rem;border:none;cursor:pointer;transition:var(--transition-base);font-family:var(--font-primary);text-decoration:none;line-height:1.4}
.btn-primary{background:var(--gradient-cta);color:var(--white);box-shadow:0 4px 15px rgba(37,99,235,0.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(37,99,235,0.4);color:var(--white)}
.btn-secondary{background:transparent;color:var(--white);border:2px solid rgba(255,255,255,0.3)}
.btn-secondary:hover{background:rgba(255,255,255,0.1);border-color:var(--white);color:var(--white)}
.btn-outline{background:transparent;color:var(--blue-primary);border:2px solid var(--blue-primary)}
.btn-outline:hover{background:var(--blue-primary);color:var(--white)}
.btn-accent{background:var(--accent);color:var(--white)}
.btn-accent:hover{background:var(--accent-dark);color:var(--white);transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:0.85rem}
.btn-lg{padding:18px 40px;font-size:1.05rem}

/* === HEADER === */
.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;transition:var(--transition-base);padding:20px 0}
.site-header.scrolled{background:rgba(10,22,40,0.95);backdrop-filter:blur(20px);padding:12px 0;box-shadow:0 2px 20px rgba(0,0,0,0.2)}
.header-inner{display:flex;align-items:center;justify-content:space-between}
.site-header .logo{position:relative;z-index:1001}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.logo img{height:45px;width:auto}
.logo-text{font-size:1.5rem;font-weight:800;color:var(--white);letter-spacing:-0.5px}
.logo-text span{color:var(--accent)}
.nav-menu{display:flex;align-items:center;gap:32px;list-style:none}
.nav-menu a{color:rgba(255,255,255,0.8);font-weight:500;font-size:0.9rem;transition:var(--transition-fast);position:relative;padding:4px 0}
.nav-menu a:hover,.nav-menu a.active{color:var(--white)}
.nav-menu a::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:2px;background:var(--blue-tech);transition:var(--transition-base)}
.nav-menu a:hover::after,.nav-menu a.active::after{width:100%}
.header-actions{display:flex;align-items:center;gap:12px}
.header-actions .btn{padding:10px 24px;font-size:0.85rem}
.menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px}
.menu-toggle span{display:block;width:24px;height:2px;background:var(--white);margin:6px 0;transition:var(--transition-base)}

/* === HERO === */
.hero{min-height:100vh;display:flex;align-items:center;background:var(--gradient-hero);position:relative;overflow:hidden;padding-top:100px}
.hero::before{content:'';position:absolute;top:-50%;right:-30%;width:80%;height:200%;background:radial-gradient(circle,rgba(37,99,235,0.08) 0%,transparent 70%);pointer-events:none}
.hero::after{content:'';position:absolute;bottom:0;left:0;width:100%;height:200px;background:linear-gradient(to top,rgba(10,22,40,0.5),transparent);pointer-events:none}
.hero-content{position:relative;z-index:2;max-width:650px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(37,99,235,0.15);border:1px solid rgba(37,99,235,0.3);padding:8px 20px;border-radius:50px;color:var(--blue-light);font-size:0.85rem;font-weight:500;margin-bottom:28px}
.hero h1{color:var(--white);margin-bottom:24px;font-weight:800}
.hero h1 span{background:var(--gradient-blue);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero p{color:rgba(255,255,255,0.7);font-size:1.15rem;margin-bottom:40px;line-height:1.8}
.hero-buttons{display:flex;gap:16px;flex-wrap:wrap}
.hero-visual{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.hero-stats{display:flex;gap:40px;margin-top:48px;padding-top:32px;border-top:1px solid rgba(255,255,255,0.1)}
.hero-stat-item h4{color:var(--white);font-size:1.5rem;font-weight:700}
.hero-stat-item p{color:rgba(255,255,255,0.5);font-size:0.85rem;margin-top:4px}
.hero-float-card{background:rgba(255,255,255,0.05);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,0.08);border-radius:var(--radius-lg);padding:32px;color:var(--white)}
.hero-float-card h3{font-size:1.1rem;margin-bottom:20px;color:var(--white)}
.hero-float-card .stat-row{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid rgba(255,255,255,0.06)}
.hero-float-card .stat-row:last-child{border-bottom:none}
.hero-float-card .stat-label{color:rgba(255,255,255,0.6);font-size:0.9rem}
.hero-float-card .stat-value{color:var(--accent);font-weight:600}

/* === SECTION HEADERS === */
.section-header{text-align:center;max-width:700px;margin:0 auto 60px}
.section-badge{display:inline-flex;align-items:center;gap:6px;background:var(--blue-pale);color:var(--blue-primary);padding:6px 18px;border-radius:50px;font-size:0.8rem;font-weight:600;text-transform:uppercase;letter-spacing:1px;margin-bottom:16px}
.section-header h2{margin-bottom:16px}
.section-header p{color:var(--gray-500);font-size:1.05rem}

/* === SERVICES SECTION === */
.services-section{background:var(--gray-50)}
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.service-card{background:var(--white);border-radius:var(--radius-lg);padding:36px 28px;border:1px solid var(--gray-200);transition:var(--transition-base);position:relative;overflow:hidden}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--blue-primary)}
.service-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:3px;background:var(--gradient-blue);opacity:0;transition:var(--transition-base)}
.service-card:hover::before{opacity:1}
.service-card-icon{width:56px;height:56px;background:var(--blue-pale);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:1.4rem;color:var(--blue-primary);margin-bottom:20px;transition:var(--transition-base)}
.service-card:hover .service-card-icon{background:var(--blue-primary);color:var(--white)}
.service-card h3{margin-bottom:12px;font-size:1.15rem}
.service-card p{color:var(--gray-500);font-size:0.9rem;margin-bottom:20px;line-height:1.7}
.service-card-actions{display:flex;gap:10px;flex-wrap:wrap}
.service-card-actions .btn{padding:8px 18px;font-size:0.8rem}

/* === WHY CHOOSE US === */
.why-section{background:var(--white)}
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.why-card{text-align:center;padding:32px 20px;border-radius:var(--radius-lg);transition:var(--transition-base);border:1px solid transparent}
.why-card:hover{background:var(--gray-50);border-color:var(--gray-200)}
.why-card-icon{width:64px;height:64px;background:linear-gradient(135deg,var(--blue-pale),rgba(37,99,235,0.1));border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-size:1.5rem;color:var(--blue-primary)}
.why-card h3{font-size:1rem;margin-bottom:8px}
.why-card p{color:var(--gray-500);font-size:0.85rem}

/* === STATISTICS === */
.stats-section{background:var(--gradient-hero);padding:80px 0;position:relative}
.stats-section::before{content:'';position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E")}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;position:relative;z-index:1}
.stat-card{text-align:center}
.stat-card-icon{font-size:2rem;color:var(--blue-medium);margin-bottom:12px}
.stat-card h3{color:var(--white);font-size:2.5rem;font-weight:800;margin-bottom:4px}
.stat-card p{color:rgba(255,255,255,0.6);font-size:0.95rem}

/* === PROCESS === */
.process-section{background:var(--gray-50)}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.process-grid::before{content:'';position:absolute;top:52px;left:15%;right:15%;height:2px;background:linear-gradient(90deg,var(--blue-pale),var(--blue-primary),var(--blue-pale))}
.process-step{text-align:center;position:relative;z-index:1}
.process-step-number{width:56px;height:56px;border-radius:var(--radius-full);background:var(--gradient-blue);color:var(--white);font-weight:700;font-size:1.2rem;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;box-shadow:0 4px 15px rgba(37,99,235,0.3)}
.process-step h3{font-size:1rem;margin-bottom:8px}
.process-step p{color:var(--gray-500);font-size:0.85rem}

/* === COURSES === */
.courses-section{background:var(--white)}
.courses-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.course-card{background:var(--white);border-radius:var(--radius-lg);border:1px solid var(--gray-200);overflow:hidden;transition:var(--transition-base)}
.course-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.course-card-image{height:200px;background:var(--gradient-hero);position:relative;display:flex;align-items:center;justify-content:center}
.course-card-image i{font-size:3rem;color:rgba(255,255,255,0.3)}
.course-card-badge{position:absolute;top:16px;right:16px;background:var(--accent);color:var(--white);padding:4px 14px;border-radius:50px;font-size:0.75rem;font-weight:600}
.course-card-body{padding:24px}
.course-card-body h3{font-size:1.1rem;margin-bottom:8px}
.course-card-meta{display:flex;gap:16px;margin-bottom:12px;flex-wrap:wrap}
.course-card-meta span{color:var(--gray-400);font-size:0.8rem;display:flex;align-items:center;gap:4px}
.course-card-body p{color:var(--gray-500);font-size:0.9rem;margin-bottom:16px}
.course-card-footer{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;border-top:1px solid var(--gray-100)}
.course-card-price{font-weight:700;color:var(--blue-primary);font-size:1.1rem}
.course-card-price.free{color:var(--accent)}

/* === BLOG === */
.blog-section{background:var(--gray-50)}
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.blog-card{background:var(--white);border-radius:var(--radius-lg);border:1px solid var(--gray-200);overflow:hidden;transition:var(--transition-base)}
.blog-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.blog-card-image{height:200px;background:linear-gradient(135deg,var(--blue-dark),var(--navy));display:flex;align-items:center;justify-content:center}
.blog-card-image i{font-size:2.5rem;color:rgba(255,255,255,0.2)}
.blog-card-body{padding:24px}
.blog-card-category{color:var(--blue-primary);font-size:0.8rem;font-weight:600;text-transform:uppercase;letter-spacing:0.5px;margin-bottom:8px}
.blog-card-body h3{font-size:1.05rem;margin-bottom:10px}
.blog-card-body h3 a{color:var(--gray-900);transition:var(--transition-fast)}
.blog-card-body h3 a:hover{color:var(--blue-primary)}
.blog-card-body p{color:var(--gray-500);font-size:0.9rem;margin-bottom:16px;line-height:1.6}
.blog-card-footer{display:flex;justify-content:space-between;align-items:center;color:var(--gray-400);font-size:0.8rem}

/* === TESTIMONIALS === */
.testimonials-section{background:var(--white)}
.testimonials-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.testimonial-card{background:var(--gray-50);border-radius:var(--radius-lg);padding:32px;border:1px solid var(--gray-200);transition:var(--transition-base)}
.testimonial-card:hover{border-color:var(--blue-primary);box-shadow:var(--shadow-md)}
.testimonial-stars{color:var(--warning);margin-bottom:16px;font-size:0.9rem}
.testimonial-card p{color:var(--gray-600);font-size:0.95rem;line-height:1.7;margin-bottom:20px;font-style:italic}
.testimonial-author{display:flex;align-items:center;gap:12px}
.testimonial-avatar{width:48px;height:48px;border-radius:var(--radius-full);background:var(--gradient-blue);display:flex;align-items:center;justify-content:center;color:var(--white);font-weight:700;font-size:1.1rem}
.testimonial-info h4{font-size:0.95rem;color:var(--gray-900)}
.testimonial-info span{color:var(--gray-400);font-size:0.8rem}

/* === CTA === */
.cta-section{background:var(--gradient-hero);padding:80px 0;text-align:center;position:relative;overflow:hidden}
.cta-section::before{content:'';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:600px;height:600px;background:radial-gradient(circle,rgba(37,99,235,0.15),transparent 70%);pointer-events:none}
.cta-section h2{color:var(--white);margin-bottom:16px}
.cta-section p{color:rgba(255,255,255,0.7);font-size:1.1rem;margin-bottom:32px;max-width:600px;margin-left:auto;margin-right:auto}

/* === CONTACT FORM === */
.contact-section{background:var(--white)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-weight:600;font-size:0.9rem;color:var(--gray-700);margin-bottom:8px}
.form-control{width:100%;padding:14px 18px;border:1px solid var(--gray-200);border-radius:var(--radius-md);font-family:var(--font-primary);font-size:0.95rem;transition:var(--transition-fast);background:var(--white);color:var(--gray-900)}
.form-control:focus{outline:none;border-color:var(--blue-primary);box-shadow:0 0 0 3px rgba(37,99,235,0.1)}
textarea.form-control{min-height:140px;resize:vertical}
select.form-control{cursor:pointer}
.form-check{display:flex;align-items:flex-start;gap:10px}
.form-check input{margin-top:4px;cursor:pointer}
.form-check label{font-size:0.85rem;color:var(--gray-500);cursor:pointer}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}

/* === FOOTER === */
.site-footer{background:var(--navy);color:rgba(255,255,255,0.7);padding:80px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:60px}
.footer-brand p{font-size:0.9rem;margin-top:16px;line-height:1.7}
.footer-social{display:flex;gap:12px;margin-top:20px}
.footer-social a{width:40px;height:40px;border-radius:var(--radius-md);background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.1);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,0.6);transition:var(--transition-base);font-size:0.9rem}
.footer-social a:hover{background:var(--blue-primary);border-color:var(--blue-primary);color:var(--white)}
.footer-col h4{color:var(--white);font-size:0.95rem;margin-bottom:20px;font-weight:600}
.footer-col ul{list-style:none}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{color:rgba(255,255,255,0.6);font-size:0.9rem;transition:var(--transition-fast)}
.footer-col ul a:hover{color:var(--white);padding-left:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.08);padding:24px 0;text-align:center;font-size:0.85rem;color:rgba(255,255,255,0.4)}

/* === FLASH MESSAGES === */
.alert{padding:16px 24px;border-radius:var(--radius-md);margin-bottom:20px;font-size:0.9rem;display:flex;align-items:center;gap:10px}
.alert-success{background:var(--accent-light);color:var(--accent-dark);border:1px solid var(--accent)}
.alert-error{background:#FEE2E2;color:#991B1B;border:1px solid var(--danger)}
.alert-warning{background:#FEF3C7;color:#92400E;border:1px solid var(--warning)}

/* === COOKIE BANNER === */
.cookie-banner{position:fixed;bottom:0;left:0;width:100%;background:var(--navy);color:var(--white);padding:20px 0;z-index:9999;transform:translateY(100%);transition:var(--transition-slow)}
.cookie-banner.show{transform:translateY(0)}
.cookie-banner-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.cookie-banner p{font-size:0.9rem;color:rgba(255,255,255,0.8);flex:1}
.cookie-banner-actions{display:flex;gap:12px}

/* === SCROLL ANIMATIONS === */
.reveal{opacity:0;transform:translateY(30px);transition:opacity 0.6s ease,transform 0.6s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* === RESPONSIVE === */
@media(max-width:1024px){
    .hero-grid{grid-template-columns:1fr}
    .hero-visual{display:none}
    .services-grid,.courses-grid,.blog-grid,.testimonials-grid{grid-template-columns:repeat(2,1fr)}
    .stats-grid,.why-grid,.process-grid{grid-template-columns:repeat(2,1fr)}
    .process-grid::before{display:none}
    .footer-grid{grid-template-columns:1fr 1fr}
    .contact-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
    section{padding:60px 0}
    .nav-menu,.header-actions{display:none}
    .menu-toggle{display:block}
    .nav-menu.active{display:flex;flex-direction:column;position:fixed;top:0;left:0;width:100%;height:100vh;background:var(--navy);justify-content:center;align-items:center;gap:24px;z-index:999}
    .header-actions.active{display:flex;flex-direction:column;position:fixed;bottom:80px;left:50%;transform:translateX(-50%);z-index:999}
    .services-grid,.courses-grid,.blog-grid,.testimonials-grid{grid-template-columns:1fr}
    .stats-grid{grid-template-columns:repeat(2,1fr);gap:24px}
    .why-grid{grid-template-columns:1fr 1fr}
    .process-grid{grid-template-columns:1fr 1fr}
    .hero-stats{flex-direction:column;gap:16px}
    .hero-buttons{flex-direction:column}
    .hero-buttons .btn{width:100%;justify-content:center}
    .footer-grid{grid-template-columns:1fr}
    .form-row{grid-template-columns:1fr}
    .contact-grid{grid-template-columns:1fr}
    .cookie-banner-inner{flex-direction:column;text-align:center}
}
@media(max-width:480px){
    .stats-grid{grid-template-columns:1fr 1fr}
    .why-grid{grid-template-columns:1fr}
    .stat-card h3{font-size:2rem}
    .btn-lg{padding:14px 28px;font-size:0.95rem}
}