/* ============================================
   2gosoo — Bilingual Premium Web Agency
   Theme: Corporate Clean & Soft (Navy + White)
   ============================================ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --navy:#1e3a5f;--navy-dark:#152c4a;--navy-light:#2a5185;
  --blue:#3b82f6;--blue-soft:#60a5fa;--blue-pale:#dbeafe;
  --text-primary:#1a202c;--text-secondary:#4a5568;--text-muted:#718096;
  --bg-white:#ffffff;--bg-soft:#f8fafc;--bg-gray:#f1f5f9;--border:#e2e8f0;
  --shadow-sm:0 1px 3px rgba(0,0,0,.08);--shadow-md:0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:0 10px 40px rgba(0,0,0,.12);
  --radius:12px;--radius-lg:20px;--transition:all .25s ease;
  --font:'Pretendard','Inter',system-ui,sans-serif;--font-display:'GmarketSans','Pretendard',sans-serif;
}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--text-primary);background:var(--bg-white);line-height:1.75;font-size:16px;font-weight:300;letter-spacing:0.01em;-webkit-font-smoothing:antialiased;word-break:keep-all}

/* UTILITIES */
.container{max-width:1200px;margin:0 auto;padding:0 24px}
section{padding:96px 0}
.section-header{text-align:center;margin-bottom:64px}
.section-eyebrow{font-size:13px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--blue);margin-bottom:12px}
.section-title{font-family:var(--font-display);font-size:clamp(28px,4vw,44px);color:var(--navy-dark);line-height:1.25;margin-bottom:20px;font-weight:700;letter-spacing:-0.02em}
.section-desc{font-size:18px;color:var(--text-secondary);max-width:680px;margin:0 auto}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;text-decoration:none;border:2px solid transparent;transition:var(--transition);white-space:nowrap}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:var(--navy-light);transform:translateY(-1px);box-shadow:0 6px 20px rgba(30,58,95,.3)}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-outline:hover{background:#fff;color:var(--navy)}
.btn-light{background:#fff;color:var(--navy)}
.btn-light:hover{background:var(--blue-pale)}
.btn-full{width:100%;justify-content:center}

/* NAV */
.nav-wrapper{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);box-shadow:var(--shadow-sm)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px;max-width:1200px;margin:0 auto;padding:0 24px}
.nav-logo{display:flex;align-items:center;gap:8px;text-decoration:none;font-family:var(--font-display);font-size:22px;font-weight:800;color:var(--navy-dark)}
.nav-logo img{height:44px;width:auto}
.footer-logo img{height:36px;filter:brightness(0) invert(1)}
.nav-links{display:flex;align-items:center;gap:8px;list-style:none}
.nav-links a{text-decoration:none;color:var(--text-secondary);font-weight:500;font-size:15px;padding:8px 14px;border-radius:8px;transition:var(--transition)}
.nav-links a:hover{color:var(--navy);background:var(--bg-soft)}
.nav-cta{background:var(--navy)!important;color:#fff!important;padding:10px 20px!important;border-radius:8px!important}
.nav-cta:hover{background:var(--navy-light)!important}
.nav-toggle{display:none}

/* LANGUAGE TOGGLE */
.lang-toggle{display:flex;gap:0;border:2px solid var(--border);border-radius:6px;overflow:hidden;margin-left:8px}
.lang-btn{padding:6px 12px;font-size:12px;font-weight:700;cursor:pointer;background:#fff;color:var(--text-secondary);border:none;transition:var(--transition);letter-spacing:.03em}
.lang-btn.active{background:var(--navy);color:#fff}
.lang-btn:hover:not(.active){background:var(--bg-gray)}

/* HERO */
.hero{position:relative;overflow:hidden;min-height:90vh;display:flex;align-items:center;padding:120px 0 80px}
.hero-bg-image{position:absolute;inset:0;background:url('images/hero-bg.png') center/cover no-repeat}
.hero-bg-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(21,44,74,.92) 0%,rgba(30,58,95,.88) 60%,rgba(42,81,133,.85) 100%)}
.hero-bg-grid{position:absolute;inset:0;z-index:1;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:60px 60px}
.hero-inner{position:relative;z-index:2;text-align:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);color:rgba(255,255,255,.85);font-size:13px;font-weight:500;padding:8px 16px;border-radius:50px;border:1px solid rgba(255,255,255,.2);margin-bottom:32px;backdrop-filter:blur(8px)}
.badge-dot{width:8px;height:8px;background:#4ade80;border-radius:50%;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.6;transform:scale(1.3)}}
.hero-headline{font-family:var(--font-display);font-size:clamp(36px,6vw,72px);font-weight:700;color:#fff;line-height:1.15;margin-bottom:28px;letter-spacing:-0.02em}
.highlight{background:linear-gradient(120deg,#60a5fa,#93c5fd);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-sub{font-size:clamp(16px,2vw,20px);color:rgba(255,255,255,.8);max-width:680px;margin:0 auto 48px;line-height:1.8}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:72px}
.hero-stats{display:inline-flex;align-items:center;gap:0;background:rgba(255,255,255,.08);border-radius:var(--radius);border:1px solid rgba(255,255,255,.12);padding:28px 48px;backdrop-filter:blur(8px)}
.stat{text-align:center;padding:0 40px}
.stat strong{display:block;font-size:36px;font-weight:800;color:#fff;line-height:1}
.stat span{font-size:13px;color:rgba(255,255,255,.65);margin-top:4px;display:block}
.stat-divider{width:1px;height:48px;background:rgba(255,255,255,.2)}

/* TRUST BAR */
.trust-bar{padding:24px 0;background:var(--bg-gray);border-bottom:1px solid var(--border)}
.trust-inner{display:flex;align-items:center;gap:32px;flex-wrap:wrap;justify-content:center}
.trust-label{font-size:13px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em}
.trust-logos{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.trust-logos span{font-size:14px;font-weight:600;color:var(--text-secondary);padding:6px 14px;background:#fff;border-radius:6px;border:1px solid var(--border)}

/* STRENGTHS */
.strengths{background:var(--bg-white)}
.strengths-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:28px}
.strength-card{padding:36px;border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-white);transition:var(--transition)}
.strength-card:hover{border-color:var(--blue-soft);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.strength-icon{font-size:36px;margin-bottom:16px}
.strength-card h3{font-size:19px;font-weight:700;color:var(--navy-dark);margin-bottom:12px}
.strength-card p{color:var(--text-secondary);line-height:1.75;font-size:15px}

/* PLATFORMS */
.platforms{background:var(--bg-soft)}
.platform-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:28px}
.platform-card{background:#fff;border-radius:var(--radius-lg);padding:40px;border:2px solid var(--border);position:relative;transition:var(--transition)}
.platform-card:hover{border-color:var(--navy);box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.featured-platform{border-color:var(--navy);box-shadow:var(--shadow-md)}
.platform-badge{position:absolute;top:-14px;left:32px;background:var(--navy);color:#fff;font-size:12px;font-weight:700;padding:4px 14px;border-radius:50px;letter-spacing:.05em;text-transform:uppercase}
.platform-icon{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;margin-bottom:20px}
.wp-icon{background:#21759b;color:#fff}
.shopify-icon{background:#96bf48;color:#fff}
.social-icon{background:var(--navy);color:#fff}
.platform-card h3{font-size:22px;font-weight:700;color:var(--navy-dark);margin-bottom:4px}
.platform-tagline{font-size:13px;color:var(--blue);font-weight:600;margin-bottom:16px;display:block}
.platform-card>p{color:var(--text-secondary);font-size:15px;line-height:1.75;margin-bottom:20px}
.platform-features{list-style:none;display:flex;flex-direction:column;gap:8px}
.platform-features li{font-size:14px;color:var(--text-secondary);padding-left:20px;position:relative}
.platform-features li::before{content:'✓';position:absolute;left:0;color:var(--blue);font-weight:700}

/* PORTFOLIO */
.portfolio{background:var(--bg-white)}
.portfolio-tabs{display:flex;gap:8px;margin-bottom:48px;flex-wrap:wrap;justify-content:center}
.tab-btn{padding:12px 24px;border-radius:8px;border:2px solid var(--border);font-size:14px;font-weight:600;cursor:pointer;background:#fff;color:var(--text-secondary);transition:var(--transition)}
.tab-btn:hover{border-color:var(--navy);color:var(--navy)}
.tab-btn.active{background:var(--navy);color:#fff;border-color:var(--navy)}
.tab-content{display:none}
.tab-content.active{display:block}
.portfolio-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:32px}
.portfolio-card{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);background:#fff;transition:var(--transition)}
.portfolio-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.portfolio-img{height:220px;position:relative;overflow:hidden}
.portfolio-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.portfolio-card:hover .portfolio-img img{transform:scale(1.05)}
.portfolio-overlay{position:absolute;inset:0;display:flex;align-items:flex-end;padding:16px;background:linear-gradient(to top,rgba(0,0,0,.55),transparent);z-index:1}
.portfolio-tag{background:rgba(255,255,255,.15);backdrop-filter:blur(8px);color:#fff;font-size:12px;font-weight:600;padding:4px 10px;border-radius:4px;border:1px solid rgba(255,255,255,.2)}
.portfolio-info{padding:28px}
.portfolio-info h4{font-size:18px;font-weight:700;color:var(--navy-dark);margin-bottom:10px}
.portfolio-info p{font-size:14px;color:var(--text-secondary);line-height:1.7;margin-bottom:16px}
.portfolio-tech{display:flex;gap:8px;flex-wrap:wrap}
.portfolio-tech span{font-size:12px;font-weight:600;color:var(--blue);background:var(--blue-pale);padding:3px 10px;border-radius:4px}

/* AI INSIGHTS */
.ai-insights{background:var(--bg-soft)}
.insights-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
.insight-card{background:#fff;border-radius:var(--radius);border:1px solid var(--border);padding:32px;transition:var(--transition)}
.insight-card:hover{box-shadow:var(--shadow-md);border-color:var(--blue-soft)}
.featured-insight{border-left:4px solid var(--navy)}
.insights-column{display:flex;flex-direction:column;gap:20px}
.insight-tag{display:inline-block;background:var(--blue-pale);color:var(--blue);font-size:12px;font-weight:700;padding:4px 12px;border-radius:4px;text-transform:uppercase;letter-spacing:.06em;margin-bottom:12px}
.insight-card h3{font-size:18px;font-weight:700;color:var(--navy-dark);margin-bottom:12px;line-height:1.4}
.featured-insight h3{font-size:22px}
.insight-card p{font-size:15px;color:var(--text-secondary);line-height:1.75;margin-bottom:20px}
.insight-meta{display:flex;gap:16px;color:var(--text-muted);font-size:13px;margin-bottom:16px}
.insight-link{color:var(--navy);font-weight:600;text-decoration:none;font-size:14px;transition:var(--transition)}
.insight-link:hover{color:var(--blue)}

/* ACADEMY */
.academy-promo{background:linear-gradient(135deg,var(--navy-dark) 0%,var(--navy) 100%);padding:96px 0}
.academy-inner{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.academy-text h2{font-family:var(--font-display);font-size:clamp(24px,3vw,40px);color:#fff;margin-bottom:20px;line-height:1.3}
.academy-text>p{color:rgba(255,255,255,.8);font-size:17px;line-height:1.8;margin-bottom:28px}
.academy-list{list-style:none;display:flex;flex-direction:column;gap:10px;margin-bottom:36px}
.academy-list li{color:rgba(255,255,255,.85);font-size:16px;padding-left:24px;position:relative}
.academy-list li::before{content:'✓';position:absolute;left:0;color:#4ade80;font-weight:700}
.academy-card-stack{display:flex;flex-direction:column;gap:14px}
.academy-card{background:rgba(255,255,255,.1);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.15);border-radius:var(--radius);padding:18px 24px;color:#fff;font-size:16px;font-weight:600;transition:var(--transition)}
.academy-card:hover{background:rgba(255,255,255,.18);transform:translateX(4px)}

/* CONTACT */
.contact{background:var(--bg-white)}
.contact-layout{display:grid;grid-template-columns:1fr 1.5fr;gap:80px;align-items:start}
.contact-item{display:flex;gap:16px;align-items:flex-start;margin-bottom:28px}
.contact-icon{font-size:24px;width:48px;height:48px;background:var(--bg-soft);border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.contact-item strong{display:block;font-size:14px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:4px}
.contact-item p,.contact-item a{font-size:16px;color:var(--text-primary);text-decoration:none}
.contact-item a:hover{color:var(--blue)}
.contact-promise{background:var(--bg-soft);border-left:4px solid var(--navy);border-radius:0 var(--radius) var(--radius) 0;padding:24px;margin-top:16px}
.contact-promise p{font-size:16px;color:var(--text-secondary);font-style:italic;margin-bottom:8px;line-height:1.7}
.contact-promise cite{font-size:13px;color:var(--text-muted);font-style:normal;font-weight:600}
.contact-form{background:var(--bg-soft);border-radius:var(--radius-lg);padding:40px;border:1px solid var(--border)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.form-group{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}
.form-group label{font-size:13px;font-weight:600;color:var(--navy-dark);text-transform:uppercase;letter-spacing:.06em}
.form-group input,.form-group select,.form-group textarea{padding:14px 16px;border-radius:8px;border:2px solid var(--border);font-size:15px;font-family:var(--font);color:var(--text-primary);background:#fff;transition:var(--transition);outline:none;resize:vertical}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--navy);box-shadow:0 0 0 3px rgba(30,58,95,.1)}

/* FOOTER */
.footer{background:var(--navy-dark);padding:72px 0 0}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr;gap:80px;padding-bottom:48px}
.footer-brand .nav-logo{color:#fff;margin-bottom:16px;display:inline-flex}
.footer-brand>p{color:rgba(255,255,255,.6);font-size:14px;line-height:1.8;margin-bottom:16px}
.footer-contact{color:rgba(255,255,255,.6);font-size:14px}
.footer-contact a{color:rgba(255,255,255,.85);text-decoration:none}
.footer-contact a:hover{color:#fff}
.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.footer-col h4{color:rgba(255,255,255,.9);font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;margin-bottom:16px}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-col a{color:rgba(255,255,255,.55);text-decoration:none;font-size:14px;transition:var(--transition)}
.footer-col a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:24px 0}
.footer-bottom p{text-align:center;color:rgba(255,255,255,.4);font-size:13px}

/* RESPONSIVE */
@media(max-width:900px){
  .hero-stats{padding:20px 24px}.stat{padding:0 20px}
  .insights-grid{grid-template-columns:1fr}
  .academy-inner{grid-template-columns:1fr;gap:48px}
  .contact-layout{grid-template-columns:1fr;gap:40px}
  .footer-inner{grid-template-columns:1fr;gap:40px}
  .footer-links{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:640px){
  section{padding:64px 0}
  .nav-links{display:none;flex-direction:column;position:fixed;top:72px;left:0;right:0;background:#fff;border-bottom:1px solid var(--border);padding:20px 24px;gap:4px;box-shadow:var(--shadow-lg)}
  .nav-links.open{display:flex}
  .nav-toggle{display:flex;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:8px}
  .nav-toggle span{display:block;width:22px;height:2px;background:var(--text-primary);border-radius:2px;transition:var(--transition)}
  .hero{min-height:auto;padding:80px 0 60px}
  .hero-stats{flex-direction:column;gap:20px;width:100%;padding:24px}
  .stat-divider{width:80%;height:1px}.stat{padding:0}
  .form-row{grid-template-columns:1fr}
  .footer-links{grid-template-columns:1fr}
  .platform-cards,.strengths-grid{grid-template-columns:1fr}
  .lang-toggle{margin-left:0}
}

/* ============================================
   PORTFOLIO — DEVICE MOCKUP SHOWCASE
   ============================================ */
.portfolio{background:linear-gradient(180deg,#0f1b2d 0%,#152c4a 100%);padding:96px 0}
.portfolio .section-eyebrow{color:#60a5fa}
.portfolio .section-title{color:#fff}
.portfolio .section-desc{color:rgba(255,255,255,.65)}
.portfolio .tab-btn{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.15);color:rgba(255,255,255,.6)}
.portfolio .tab-btn:hover{border-color:rgba(255,255,255,.4);color:#fff}
.portfolio .tab-btn.active{background:var(--blue);color:#fff;border-color:var(--blue)}

/* Device Mockup Frame */
.mockup-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:40px}
.mockup-card{transition:var(--transition)}
.mockup-card:hover{transform:translateY(-6px)}
.mockup-card a{text-decoration:none;color:inherit;display:block}

/* Browser Chrome */
.browser-frame{border-radius:12px;overflow:hidden;box-shadow:0 20px 60px rgba(0,0,0,.4),0 0 0 1px rgba(255,255,255,.08);background:#1a1a2e;transition:box-shadow .3s ease}
.mockup-card:hover .browser-frame{box-shadow:0 25px 80px rgba(59,130,246,.25),0 0 0 1px rgba(96,165,250,.3)}
.browser-bar{display:flex;align-items:center;gap:10px;padding:10px 16px;background:linear-gradient(180deg,#2a2a3e,#222236);border-bottom:1px solid rgba(255,255,255,.06)}
.browser-dots{display:flex;gap:6px}
.browser-dots span{width:10px;height:10px;border-radius:50%}
.dot-red{background:#ff5f57}
.dot-yellow{background:#febc2e}
.dot-green{background:#28c840}
.browser-url{flex:1;background:rgba(255,255,255,.08);border-radius:6px;padding:5px 12px;font-size:12px;color:rgba(255,255,255,.5);font-family:var(--font);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.browser-url strong{color:rgba(255,255,255,.8);font-weight:500}

/* Screenshot Area */
.browser-viewport{height:220px;overflow:hidden;position:relative;background:#111}
.browser-viewport img{width:100%;height:100%;object-fit:cover;object-position:top;transition:transform 8s ease}
.mockup-card:hover .browser-viewport img{transform:translateY(-15%)}

/* Glassmorphism Info Card */
.mockup-info{margin-top:16px;padding:20px 24px;background:rgba(255,255,255,.06);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.1);border-radius:12px;transition:var(--transition)}
.mockup-card:hover .mockup-info{background:rgba(255,255,255,.1);border-color:rgba(96,165,250,.3)}
.mockup-info h4{font-family:var(--font-display);font-size:17px;font-weight:700;color:#fff;margin-bottom:6px;letter-spacing:-0.01em}
.mockup-info p{font-size:13px;color:rgba(255,255,255,.55);line-height:1.6;margin-bottom:12px}
.mockup-tags{display:flex;gap:6px;flex-wrap:wrap}
.mockup-tags span{font-size:11px;font-weight:600;color:#60a5fa;background:rgba(59,130,246,.15);padding:3px 10px;border-radius:4px;border:1px solid rgba(59,130,246,.2)}
.visit-link{display:inline-flex;align-items:center;gap:4px;margin-top:10px;font-size:13px;font-weight:600;color:#60a5fa;text-decoration:none;transition:var(--transition)}
.visit-link:hover{color:#93c5fd;gap:8px}

/* ============================================
   SECTION IMAGES & VISUAL ENHANCEMENTS
   ============================================ */

/* Strengths Banner */
.strengths-banner{margin-bottom:48px;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);position:relative}
.strengths-banner::after{content:'';position:absolute;inset:0;background:linear-gradient(to bottom,transparent 60%,var(--bg-white));pointer-events:none}
.strengths-banner img{width:100%;height:320px;object-fit:cover;display:block}

/* AI Insights Background Enhancement */
.ai-insights{background:var(--bg-soft) url('images/ai-tech.png') center/cover no-repeat;background-blend-mode:soft-light;background-attachment:fixed}

/* Academy Image */
.academy-img-wrapper{border-radius:var(--radius-lg);overflow:hidden;box-shadow:0 20px 60px rgba(0,0,0,.4);margin-bottom:20px;border:2px solid rgba(255,255,255,.1)}
.academy-img-wrapper img{width:100%;height:260px;object-fit:cover;display:block}

/* Academy visual stacking */
.academy-visual{display:flex;flex-direction:column;gap:0}

/* Footer logo fix */
.footer-logo{display:inline-flex!important}
.footer-logo img{height:36px;filter:brightness(10)}

@media(max-width:640px){
  .strengths-banner img{height:200px}
  .academy-img-wrapper img{height:180px}
}

/* ============================================
   BUSINESS BUILD-UP SOLUTION
   ============================================ */
.buildup{background:linear-gradient(180deg,var(--bg-soft) 0%,#eef2f7 100%);padding:96px 0}
.buildup-intro{max-width:860px;margin:0 auto 56px;text-align:center}
.buildup-intro p{font-size:17px;color:var(--text-secondary);line-height:1.85;margin-bottom:20px}
.buildup-highlight{position:relative;padding:24px 32px;background:#fff;border-left:4px solid var(--blue);border-radius:0 var(--radius) var(--radius) 0;box-shadow:var(--shadow-sm);font-weight:400!important;color:var(--text-primary)!important;text-align:left!important}

.buildup-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.buildup-card{background:#fff;border-radius:var(--radius);padding:36px 28px;border:1px solid var(--border);transition:var(--transition);position:relative;overflow:hidden}
.buildup-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--navy),var(--blue));opacity:0;transition:var(--transition)}
.buildup-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--blue-pale)}
.buildup-card:hover::before{opacity:1}
.buildup-icon{font-size:40px;margin-bottom:20px}
.buildup-card h3{font-family:var(--font-display);font-size:17px;font-weight:700;color:var(--navy-dark);margin-bottom:14px;letter-spacing:-0.01em;line-height:1.4}
.buildup-card p{font-size:14px;color:var(--text-secondary);line-height:1.75}

/* ECOSYSTEM */
.ecosystem{background:var(--bg-gray);border-top:1px solid var(--border)}
.ecosystem-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.eco-card{padding:40px 32px;border-radius:var(--radius-lg);text-decoration:none;position:relative;overflow:hidden;transition:var(--transition);border:1px solid rgba(255,255,255,0.2);backdrop-filter:blur(12px)}
.eco-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(255,255,255,0.5)}
.eco-icon{font-size:32px;margin-bottom:20px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;width:64px;height:64px;border-radius:16px;color:#fff;box-shadow:var(--shadow-sm)}
.eco-card h3{font-size:20px;font-weight:700;color:#fff;margin-bottom:12px}
.eco-card p{font-size:15px;color:rgba(255,255,255,0.8);line-height:1.6}
.eco-youtube{background:linear-gradient(135deg,#ef4444,#b91c1c)}
.eco-youtube .eco-icon{background:rgba(255,255,255,0.2)}
.eco-facebook{background:linear-gradient(135deg,#3b82f6,#1d4ed8)}
.eco-facebook .eco-icon{background:rgba(255,255,255,0.2)}
.eco-prompt{background:linear-gradient(135deg,#8b5cf6,#6d28d9)}
.eco-prompt .eco-icon{background:rgba(255,255,255,0.2)}

@media(max-width:900px){.buildup-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.buildup-grid{grid-template-columns:1fr}.buildup-highlight{padding:20px 24px}}

/* Build-Up Platform Card Accent */
.buildup-platform{border-color:var(--blue-pale)}
.buildup-icon-badge{font-size:32px;width:56px;height:56px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--navy),var(--blue))!important;border-radius:14px;color:#fff}

/* ============================================
   MOBILE & PERFORMANCE OPTIMIZATIONS
   ============================================ */

/* Tablet (900px) */
@media(max-width:900px){
  .mockup-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .portfolio-tabs{gap:8px}
  .tab-btn{padding:8px 16px;font-size:13px}
  .nav-logo img{height:36px}
}

/* Mobile (640px) */
@media(max-width:640px){
  .nav-logo img{height:32px}
  .mockup-grid{grid-template-columns:1fr;gap:24px}
  .browser-viewport{height:180px}
  .mockup-info{padding:16px 20px}
  .mockup-info h4{font-size:15px}
  .portfolio-tabs{flex-wrap:wrap;justify-content:center}
  .tab-btn{padding:8px 14px;font-size:12px;flex:0 0 auto}
  .section-title{font-size:clamp(22px,5vw,36px)}
  .hero-headline{font-size:clamp(28px,7vw,48px)}
  .hero-sub{font-size:clamp(14px,3.5vw,18px)}
  .hero-actions{flex-direction:column;align-items:center}
  .btn{width:100%;justify-content:center}
  .trust-logos{gap:16px;font-size:12px}
  .footer-logo img{height:28px}
  .footer-bottom p{font-size:12px;line-height:1.6}
  .buildup-platform .platform-features li{font-size:13px}
}

/* Tiny screens (380px) */
@media(max-width:380px){
  .container{padding:0 16px}
  .hero{padding:72px 0 48px}
  .mockup-info p{font-size:12px}
  .tab-btn{font-size:11px;padding:6px 10px}
}

/* Image performance */
img{max-width:100%;height:auto}
img[loading="lazy"]{content-visibility:auto}

.portfolio-info .h4-style {font-size:18px;font-weight:700;color:var(--navy-dark);margin-bottom:10px}
.footer-col .h4-style {color:rgba(255,255,255,.9);font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;margin-bottom:16px}
.mockup-info .h4-style {font-family:var(--font-display);font-size:17px;font-weight:700;color:#fff;margin-bottom:6px;letter-spacing:-0.01em}
@media (max-width: 768px) {
  .mockup-info .h4-style {font-size:15px}
}