/* ============================================
   CHINA BUSINESS by Elvira Molotkova — Stylesheet
   ============================================ */

/* --- Custom Properties --- */
:root {
  --navy: #1a2744;
  --navy-light: #2a3f6a;
  --navy-mid: #1f3155;
  --red: #c3281e;
  --red-dark: #a82018;
  --gray-900: #111827;
  --gray-800: #1f2937;
  --gray-700: #374151;
  --gray-600: #4b5563;
  --gray-500: #6b7280;
  --gray-400: #9ca3af;
  --gray-300: #d1d5db;
  --gray-200: #e5e7eb;
  --gray-100: #f3f4f6;
  --gray-50: #f9fafb;
  --white: #ffffff;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-width: 1200px;
  --header-height: 72px;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06);
  --shadow-md: 0 4px 14px rgba(0,0,0,.08);
  --shadow-lg: 0 10px 30px rgba(0,0,0,.1);
  --transition: .3s cubic-bezier(.4,0,.2,1);
}

/* --- Reset --- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:var(--header-height)}
body{font-family:var(--font);color:var(--gray-900);background:var(--white);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
ul{list-style:none}
img{max-width:100%;display:block}
button{cursor:pointer;font:inherit;border:none;background:none}
details summary{cursor:pointer}

/* --- Container --- */
.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 24px}

/* --- Section --- */
.section{padding:100px 0}
.section-header{text-align:center;margin-bottom:56px}
.section-header h2{font-size:clamp(28px,3vw,40px);font-weight:700;color:var(--navy);letter-spacing:-.02em;margin-bottom:12px}
.section-desc{font-size:18px;color:var(--gray-500);max-width:600px;margin:0 auto}

/* --- Buttons --- */
.btn{display:inline-flex;align-items:center;justify-content:center;font-weight:600;border-radius:var(--radius);transition:var(--transition);gap:8px;white-space:nowrap}
.btn-primary{background:var(--red);color:var(--white)}
.btn-primary:hover{background:var(--red-dark);transform:translateY(-1px);box-shadow:0 4px 14px rgba(195,40,30,.3)}
.btn-outline{border:2px solid var(--white);color:var(--white);background:transparent}
.btn-outline:hover{background:var(--white);color:var(--navy)}
.btn-outline-light{border:2px solid var(--white);color:var(--white);background:transparent}
.btn-outline-light:hover{background:var(--white);color:var(--navy)}
.btn-sm{padding:8px 20px;font-size:14px}
.btn-lg{padding:14px 32px;font-size:16px}
.btn-lg.btn-outline{padding:12px 30px}
.btn-outline-primary{border:2px solid var(--red);color:var(--red);background:transparent}
.btn-outline-primary:hover{background:var(--red);color:var(--white);transform:translateY(-1px)}
.btn-form{width:100%;padding:16px 32px;font-size:16px;margin-top:8px}

/* --- Form Card --- */
.form-card{background:var(--white);border-radius:var(--radius-lg);padding:36px 32px;box-shadow:0 12px 40px rgba(0,0,0,.12)}
.hero-form-card .form-card{background:rgba(255,255,255,.2);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.15)}
.form-card-title{font-size:20px;font-weight:700;color:var(--navy);margin-bottom:6px}
.form-card-desc{font-size:14px;color:var(--navy);margin-bottom:24px;line-height:1.5}
.consult-form{display:flex;flex-direction:column;gap:14px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-group{display:flex;flex-direction:column;position:relative}
.form-label{font-size:14px;font-weight:600;color:var(--gray-700);margin-bottom:8px}
.form-input{width:100%;padding:14px 16px;border:1px solid var(--gray-200);border-radius:var(--radius);font-size:15px;font-family:var(--font);color:var(--gray-900);background:var(--white);transition:var(--transition);outline:none}
.form-input:focus{border-color:var(--navy);box-shadow:0 0 0 3px rgba(26,39,68,.08)}
.form-input.error{border-color:var(--red);box-shadow:0 0 0 3px rgba(195,40,30,.08)}
.form-textarea{resize:vertical;min-height:80px}
.form-error{font-size:12px;color:var(--red);margin-top:4px;display:none}
.form-error.show{display:block}
.form-status{font-size:14px;text-align:center;padding:8px 0;display:none}
.form-status.success{display:block;color:var(--navy);background:rgba(26,39,68,.06);border-radius:var(--radius);padding:14px}
.form-status.error{display:block;color:var(--red);background:rgba(195,40,30,.06);border-radius:var(--radius);padding:14px}
.form-status.loading{display:flex;align-items:center;justify-content:center;gap:8px;color:var(--gray-500)}
.form-status.loading::after{content:'';width:16px;height:16px;border:2px solid var(--gray-300);border-top-color:var(--navy);border-radius:50%;animation:spin .6s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.checkbox-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.checkbox-label{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--gray-700);cursor:pointer;padding:6px 0}
.checkbox-label input[type=checkbox]{width:18px;height:18px;accent-color:var(--navy);cursor:pointer}

/* ============================================
   HEADER
   ============================================ */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--header-height);background:rgba(255,255,255,.97);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--gray-200);transition:var(--transition)}
.site-header.scrolled{box-shadow:var(--shadow-sm)}
.header-inner{display:flex;align-items:center;height:100%;gap:32px}
.logo{display:flex;flex-direction:column;line-height:1.15;flex-shrink:0}
.logo-brand{font-size:20px;font-weight:800;color:var(--navy);letter-spacing:-.03em}
.logo-brand span{color:var(--red)}
.logo-sub{font-size:10px;font-weight:500;color:var(--gray-500);letter-spacing:.06em;text-transform:uppercase}

.main-nav{flex:1}
.main-nav ul{display:flex;gap:24px;justify-content:center}
.main-nav a{font-size:15px;font-weight:500;color:var(--gray-700);transition:var(--transition);padding:4px 0;border-bottom:2px solid transparent}
.main-nav a:hover{color:var(--navy);border-bottom-color:var(--red)}

.header-actions{display:flex;align-items:center;gap:20px;flex-shrink:0}
.lang-switcher{display:flex;align-items:center;gap:4px;font-size:14px;font-weight:500}
.lang-btn{color:var(--gray-400);transition:var(--transition);padding:2px 4px}
.lang-btn.active{color:var(--red)}
.lang-btn:hover{color:var(--navy)}
.lang-divider{color:var(--gray-300);font-size:12px}

.hamburger{display:none;flex-direction:column;gap:5px;padding:4px;background:none;border:none;cursor:pointer}
.hamburger span{width:24px;height:2px;background:var(--navy);border-radius:2px;transition:var(--transition)}

/* ============================================
   HERO
   ============================================ */
.hero{position:relative;min-height:90vh;display:flex;align-items:center;overflow:hidden;margin-top:var(--header-height)}
.hero-bg{position:absolute;inset:0;background:url('../images/hero.png') center/cover no-repeat;z-index:0}
.hero-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(15,23,36,.6) 0%,rgba(15,23,36,.2) 60%,transparent 100%);z-index:1}
.hero-inner{position:relative;z-index:2;width:100%;padding:80px 24px;display:grid;grid-template-columns:1fr 420px;gap:48px;align-items:start}
.hero-content{max-width:700px}
.hero-content h1{font-size:clamp(36px,5vw,60px);font-weight:800;line-height:1.1;color:var(--white);letter-spacing:-.03em;margin-bottom:20px}
.hero-content h1 span{color:var(--red)}
.hero-sub{font-size:clamp(16px,1.3vw,20px);color:rgba(255,255,255,.75);line-height:1.5;margin-bottom:16px;max-width:600px}
.hero-attribution{font-size:clamp(13px,1vw,16px);color:rgba(255,255,255,.6);letter-spacing:.04em;margin-bottom:32px}
.hero-attribution strong{color:var(--white);font-weight:600}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px}
.hero-form-card{position:relative;z-index:3}


/* ============================================
   SERVICES
   ============================================ */
.services{background:var(--gray-50)}
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.service-card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:32px 28px;transition:var(--transition)}
.service-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);border-color:var(--gray-300)}
.service-icon{width:48px;height:48px;margin-bottom:20px}
.service-icon svg{width:100%;height:100%}
.service-card h3{font-size:18px;font-weight:700;color:var(--navy);margin-bottom:8px}
.service-card p{font-size:15px;color:var(--gray-500);line-height:1.5;margin-bottom:16px}
.card-link{font-size:14px;font-weight:600;color:var(--red);transition:var(--transition)}
.card-link:hover{color:var(--red-dark);gap:4px}
.card-link::after{content:' →';transition:var(--transition)}
.card-link:hover::after{margin-left:4px}

/* ============================================
   ABOUT
   ============================================ */
.about-inner{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.about-visual{position:relative;border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:4/3}
.about-visual img{width:100%;height:100%;object-fit:cover}
.about-image-placeholder{width:100%;height:100%;background:linear-gradient(135deg,var(--navy),var(--navy-light));position:relative;overflow:hidden}
.about-image-placeholder::after{content:'';position:absolute;inset:0;background:radial-gradient(circle at 30% 40%,rgba(255,255,255,.08) 0%,transparent 60%),radial-gradient(circle at 70% 60%,rgba(195,40,30,.15) 0%,transparent 50%);border:1px solid rgba(255,255,255,.1)}
.about-content h2{font-size:clamp(28px,3vw,36px);font-weight:700;color:var(--navy);letter-spacing:-.02em;margin-bottom:20px}
.about-content p{font-size:17px;color:var(--gray-600);line-height:1.7;margin-bottom:32px}
.about-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;padding-top:24px;border-top:1px solid var(--gray-200)}
.metric{display:flex;flex-direction:column}
.metric-value{font-size:32px;font-weight:800;color:var(--red);line-height:1}
.metric-label{font-size:14px;color:var(--gray-500);margin-top:4px}

/* ============================================
   TRUST
   ============================================ */
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.trust-item{text-align:center;padding:32px 20px;border-radius:var(--radius-lg);transition:var(--transition)}
.trust-item:hover{background:var(--gray-50)}
.trust-icon{width:44px;height:44px;margin:0 auto 16px}
.trust-icon svg{width:100%;height:100%}
.trust-item h3{font-size:18px;font-weight:700;color:var(--navy);margin-bottom:8px}
.trust-item p{font-size:15px;color:var(--gray-500);line-height:1.5}

/* ============================================
   CASE STUDIES
   ============================================ */
.cases{background:var(--gray-50)}
.cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case-card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:36px 32px;transition:var(--transition)}
.case-card:hover{box-shadow:var(--shadow-md);border-color:var(--gray-300)}
.case-number{font-size:14px;font-weight:700;color:var(--red);margin-bottom:12px;letter-spacing:.05em}
.case-card h3{font-size:18px;font-weight:700;color:var(--navy);margin-bottom:12px;line-height:1.4}
.case-card p{font-size:15px;color:var(--gray-500);line-height:1.6}

/* ============================================
   KNOWLEDGE BASE
   ============================================ */
.knowledge-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.knowledge-card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:28px 24px;transition:var(--transition)}
.knowledge-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);border-color:var(--gray-300)}
.knowledge-tag{display:inline-block;font-size:12px;font-weight:600;color:var(--red);background:rgba(195,40,30,.08);padding:4px 12px;border-radius:100px;margin-bottom:12px;letter-spacing:.03em;text-transform:uppercase}
.knowledge-card h3{font-size:17px;font-weight:600;color:var(--navy);line-height:1.4}

/* ============================================
   COURSES
   ============================================ */
.courses{background:var(--gray-50)}
.courses-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.course-card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:32px 24px;text-align:center;transition:var(--transition)}
.course-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.course-icon{width:40px;height:40px;margin:0 auto 16px}
.course-icon svg{width:100%;height:100%}
.course-card h3{font-size:17px;font-weight:700;color:var(--navy);margin-bottom:8px}
.course-card p{font-size:14px;color:var(--gray-500);line-height:1.5}

/* ============================================
   FAQ
   ============================================ */
.faq-list{max-width:720px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{border:1px solid var(--gray-200);border-radius:var(--radius-lg);overflow:hidden;transition:var(--transition)}
.faq-item[open]{border-color:var(--gray-300);box-shadow:var(--shadow-sm)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;font-size:17px;font-weight:600;color:var(--navy);transition:var(--transition);list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'+';font-size:20px;color:var(--red);font-weight:400;transition:var(--transition)}
.faq-item[open] summary::after{content:'−'}
.faq-item[open] summary{border-bottom:1px solid var(--gray-200);background:var(--gray-50)}
.faq-item p{padding:20px 24px;font-size:16px;color:var(--gray-600);line-height:1.6}

/* ============================================
   FINAL CTA
   ============================================ */
.cta-final{background:var(--navy);text-align:center}
.cta-final-inner{padding:80px 24px}
.cta-final h2{font-size:clamp(28px,3.5vw,44px);font-weight:800;color:var(--white);letter-spacing:-.02em;margin-bottom:12px}
.cta-sub{font-size:19px;color:rgba(255,255,255,.7);margin-bottom:36px}
.cta-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:16px}

/* ============================================
   FOOTER
   ============================================ */
.site-footer{background:var(--gray-900);color:var(--gray-400);padding:60px 0 0}
.footer-inner{display:flex;flex-direction:column}
.footer-brand{margin-bottom:40px}
.footer-brand .logo-brand{font-size:22px;color:var(--white)}
.footer-brand .logo-brand span{color:var(--red)}
.footer-brand .logo-sub{color:var(--gray-500)}
.footer-brand p{font-size:15px;color:var(--gray-500);margin-top:6px}
.footer-founder{display:flex;align-items:center;gap:14px;margin-top:24px;padding-top:24px;border-top:1px solid rgba(255,255,255,.08)}
.footer-founder-avatar{width:48px;height:48px;border-radius:50%;overflow:hidden;flex-shrink:0;border:2px solid rgba(255,255,255,.15)}
.footer-founder-avatar img{width:100%;height:100%;object-fit:cover}
.footer-founder-info{display:flex;flex-direction:column;gap:2px}
.footer-founder-info strong{font-size:15px;font-weight:700;color:var(--white)}
.footer-founder-info span{font-size:12px;color:var(--gray-500)}
.footer-links{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-col h4{font-size:15px;font-weight:700;color:var(--white);margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--gray-400);transition:var(--transition)}
.footer-col a:hover{color:var(--white)}
.footer-bottom{padding:24px 0;text-align:center;font-size:14px;color:var(--gray-500)}

/* ============================================
   TEAM EXPERT
   ============================================ */
.team-expert{background:var(--white)}
.team-inner{display:grid;grid-template-columns:45fr 55fr;gap:64px;align-items:start}
.team-image{position:sticky;top:calc(var(--header-height) + 40px);border-radius:20px;overflow:hidden;box-shadow:0 20px 60px rgba(0,0,0,.12);transition:var(--transition)}
.team-image img{width:100%;height:auto;display:block;max-height:900px;object-fit:cover}
.team-content{padding-top:20px}
.team-content h2{font-size:clamp(24px,2.8vw,36px);font-weight:700;color:var(--navy);letter-spacing:-.02em;margin-bottom:20px}
.team-name{font-size:clamp(20px,2vw,28px);font-weight:800;color:var(--navy);letter-spacing:.08em;margin-bottom:4px}
.team-position{font-size:15px;font-weight:600;color:var(--red);text-transform:uppercase;letter-spacing:.06em;margin-bottom:20px}
.team-desc{font-size:16px;color:var(--gray-600);line-height:1.7;margin-bottom:28px}
.team-badges{display:grid;grid-template-columns:1fr 1fr;gap:10px 24px;margin-bottom:32px;padding:0;list-style:none}
.team-badges li{font-size:15px;color:var(--gray-700);font-weight:500;display:flex;align-items:center;gap:8px}
.team-badges .check{color:var(--red);font-weight:700;font-size:16px}
.team-highlights{background:var(--gray-50);border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:28px 32px}
.team-highlights h4{font-size:16px;font-weight:700;color:var(--navy);margin-bottom:16px}
.team-cta{margin-top:28px}
.team-highlights ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:10px}
.team-highlights li{font-size:15px;color:var(--gray-600);padding-left:20px;position:relative}
.team-highlights li::before{content:'—';position:absolute;left:0;color:var(--red);font-weight:600}

/* --- Fade-in animation --- */
.fade-in{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* ============================================
   PROJECT FORM
   ============================================ */
.project-section{background:var(--gray-50)}
.project-inner{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.project-info p{font-size:17px;color:var(--gray-600);line-height:1.7;margin-bottom:28px}
.project-benefits{display:flex;flex-direction:column;gap:12px}
.project-benefit{font-size:15px;color:var(--gray-700);display:flex;align-items:center;gap:8px}
.project-benefit .check{color:var(--red);font-weight:700}
.project-form-card .form-card{box-shadow:var(--shadow-lg)}
.project-expert-card{display:flex;align-items:center;gap:16px;margin-bottom:24px;padding:16px 20px;background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}
.project-expert-avatar{width:56px;height:56px;border-radius:50%;overflow:hidden;flex-shrink:0;border:2px solid var(--gray-200)}
.project-expert-avatar img{width:100%;height:100%;object-fit:cover}
.project-expert-detail{display:flex;flex-direction:column;gap:2px}
.project-expert-detail strong{font-size:16px;font-weight:700;color:var(--navy)}
.project-expert-detail span{font-size:13px;color:var(--gray-500)}

/* ============================================
   DIRECT CONTACT
   ============================================ */
.direct-contact{background:var(--white)}
.direct-inner{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.direct-content h2{font-size:clamp(28px,3vw,38px);font-weight:700;color:var(--navy);letter-spacing:-.02em;margin-bottom:16px}
.direct-desc{font-size:17px;color:var(--gray-600);line-height:1.7;margin-bottom:28px}
.direct-topics{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:36px;padding:0;list-style:none}
.direct-topics li{font-size:16px;color:var(--gray-700);font-weight:500;display:flex;align-items:center;gap:8px}
.direct-topics .check{color:var(--red);font-weight:700}
.direct-actions{display:flex;flex-wrap:wrap;gap:16px}
.direct-image img{width:100%;border-radius:20px;box-shadow:0 20px 60px rgba(0,0,0,.12)}

/* ============================================
   FLOATING WIDGET
   ============================================ */
.float-widget{position:fixed;bottom:32px;right:32px;z-index:9999;display:flex;flex-direction:column;align-items:flex-end}
.float-trigger{width:56px;height:56px;border-radius:50%;background:var(--red);color:var(--white);display:flex;align-items:center;justify-content:center;box-shadow:0 4px 16px rgba(195,40,30,.35);transition:var(--transition);position:relative;z-index:2;border:none;cursor:pointer}
.float-trigger:hover{transform:scale(1.08);box-shadow:0 6px 24px rgba(195,40,30,.45)}
.float-trigger svg{width:24px;height:24px}
.float-icon-close{display:none}
.float-widget.open .float-icon-chat{display:none}
.float-widget.open .float-icon-close{display:block}
.float-widget.open .float-trigger{background:var(--gray-700)}
.float-menu{position:absolute;bottom:68px;right:0;display:flex;flex-direction:column;gap:8px;opacity:0;visibility:hidden;transform:translateY(12px) scale(.95);transition:all .3s cubic-bezier(.4,0,.2,1);transform-origin:bottom right}
.float-widget.open .float-menu{opacity:1;visibility:visible;transform:translateY(0) scale(1)}
.float-item{display:flex;align-items:center;gap:10px;padding:12px 18px;background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow-md);font-size:14px;font-weight:500;color:var(--gray-700);white-space:nowrap;transition:var(--transition);border:1px solid var(--gray-100)}
.float-item:hover{box-shadow:var(--shadow-lg);color:var(--navy);border-color:var(--gray-200)}
.float-item svg{width:18px;height:18px;flex-shrink:0;color:var(--red)}

/* ============================================
   FOOTER CONTACT
   ============================================ */
.footer-contact .contact-list{display:flex;flex-direction:column;gap:8px}
.footer-contact .contact-list li{font-size:14px;color:var(--gray-400);display:flex;flex-direction:row;gap:6px}
.footer-contact .contact-label{font-size:12px;font-weight:600;color:var(--gray-500);text-transform:uppercase;letter-spacing:.04em;flex-shrink:0}
.footer-contact a{color:var(--gray-400);transition:var(--transition)}
.footer-contact a:hover{color:var(--white)}

/* ============================================
   RESPONSIVE
   ============================================ */

/* Tablet */
@media (max-width: 1024px) {
  .hero-inner{grid-template-columns:1fr;gap:40px;padding:60px 24px}
  .hero{min-height:auto}
  .hero-form-card{max-width:480px}
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .about-inner{grid-template-columns:1fr;gap:40px}
  .team-inner{grid-template-columns:1fr;gap:40px}
  .team-image{position:static;border-radius:16px;max-height:600px}
  .team-image img{max-height:600px}
  .project-inner{grid-template-columns:1fr;gap:40px}
  .project-expert-card{padding:14px 16px}
  .project-expert-avatar{width:48px;height:48px}
  .direct-inner{grid-template-columns:1fr;gap:40px}
  .direct-image{max-width:500px;order:-1}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .cases-grid{grid-template-columns:repeat(2,1fr)}
  .courses-grid{grid-template-columns:repeat(2,1fr)}
  .footer-links{grid-template-columns:1fr 1fr}
}

/* Mobile */
@media (max-width: 768px) {
  .section{padding:60px 0}
  .section-header{margin-bottom:36px}

  .main-nav{display:none;position:fixed;top:var(--header-height);left:0;right:0;background:var(--white);border-bottom:1px solid var(--gray-200);padding:20px 24px;box-shadow:var(--shadow-md)}
  .main-nav.open{display:block}
  .main-nav ul{flex-direction:column;gap:16px}
  .main-nav a{font-size:17px}

  .header-actions .btn-sm{display:none}
  .hamburger{display:flex}

  .hamburger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .hamburger.active span:nth-child(2){opacity:0}
  .hamburger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

  .hero-inner{grid-template-columns:1fr;gap:32px;padding:40px 24px}
  .hero{min-height:auto}
  .hero-content h1{font-size:32px}
  .hero-actions{flex-direction:column;align-items:flex-start}
  .hero-actions .btn{width:100%;justify-content:center}
  .hero-form-card{max-width:100%}
  .form-card{padding:24px 20px}
  .form-row{grid-template-columns:1fr}

  .services-grid{grid-template-columns:1fr}
  .trust-grid{grid-template-columns:1fr}
  .cases-grid{grid-template-columns:1fr}
  .courses-grid{grid-template-columns:1fr}
  .about-metrics{grid-template-columns:1fr;gap:16px}
  .about-image-placeholder{aspect-ratio:16/9}
  .team-inner{grid-template-columns:1fr;gap:32px}
  .team-image{border-radius:16px}
  .team-badges{grid-template-columns:1fr}
  .team-highlights{padding:20px 24px}
  .project-inner{grid-template-columns:1fr;gap:32px}
  .checkbox-grid{grid-template-columns:1fr}
  .direct-inner{grid-template-columns:1fr;gap:32px}
  .direct-image{max-width:100%;order:-1}
  .direct-topics{grid-template-columns:1fr}
  .direct-actions{flex-direction:column}
  .direct-actions .btn{width:100%;justify-content:center}
  .float-widget{bottom:16px;right:16px}
  .float-trigger{width:48px;height:48px}

  .cta-final-inner{padding:60px 24px}
  .cta-actions{flex-direction:column;align-items:center}
  .cta-actions .btn{width:100%;justify-content:center}

  .footer-links{grid-template-columns:1fr;gap:24px}
}

/* Small mobile */
@media (max-width: 480px) {
  .container{padding:0 16px}
  .hero-inner{padding:32px 16px}
  .hero-content h1{font-size:28px}
  .form-card{padding:20px 16px}
}