/* ==================== CSS Reset & Base ==================== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg-base:#0A0E1A;--bg-surface:#131826;--bg-elevated:#1A2033;--bg-glass:rgba(19,24,38,.6);
  --primary:#6366F1;--primary-light:#818CF8;--primary-dark:#4F46E5;
  --accent:#06B6D4;--accent-light:#22D3EE;--success:#10B981;--warning:#F59E0B;
  --text-primary:#F1F5F9;--text-secondary:#94A3B8;--text-muted:#64748B;
  --border:#1E293B;--border-light:#334155;
  --gradient-primary:linear-gradient(135deg,#6366F1 0%,#06B6D4 100%);
  --gradient-text:linear-gradient(135deg,#818CF8 0%,#22D3EE 100%);
  --gradient-glow:radial-gradient(circle,rgba(99,102,241,.15) 0%,transparent 70%);
  --font-heading:'Space Grotesk','Noto Sans SC',sans-serif;
  --font-body:'Inter','Noto Sans SC',system-ui,sans-serif;
  --container-max:1200px;--transition:all .3s cubic-bezier(.4,0,.2,1);
  --shadow-sm:0 2px 8px rgba(0,0,0,.2);--shadow-md:0 8px 30px rgba(0,0,0,.3);
  --shadow-glow:0 0 40px rgba(99,102,241,.15);
}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:var(--font-body);background:var(--bg-base);color:var(--text-primary);line-height:1.7;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
button{font-family:inherit;cursor:pointer;border:none;background:none}
ul{list-style:none}
h1,h2,h3,h4{font-family:var(--font-heading);font-weight:700;line-height:1.2}

/* ==================== Utility ==================== */
.container{max-width:var(--container-max);margin:0 auto;padding:0 24px}
.gradient-text{background:var(--gradient-text);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.section{padding:100px 0;position:relative}
.section-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:100px;background:rgba(99,102,241,.1);border:1px solid rgba(99,102,241,.2);color:var(--primary-light);font-size:.875rem;font-weight:500;margin-bottom:16px;letter-spacing:.5px}
.section-title{font-size:clamp(1.75rem,4vw,2.5rem);margin-bottom:16px;color:var(--text-primary)}
.section-subtitle{font-size:1.0625rem;color:var(--text-secondary);max-width:640px;line-height:1.7}
.reveal{opacity:0;transform:translateY(40px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
.text-center{text-align:center}
.mx-auto{margin:0 auto}

/* ==================== Background Effects ==================== */
.bg-mesh{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none}
.bg-mesh::before,.bg-mesh::after{content:'';position:absolute;width:600px;height:600px;border-radius:50%;filter:blur(120px);opacity:.15}
.bg-mesh::before{background:var(--primary);top:-200px;left:-100px;animation:float1 20s ease-in-out infinite}
.bg-mesh::after{background:var(--accent);bottom:-200px;right:-100px;animation:float2 25s ease-in-out infinite}
@keyframes float1{0%,100%{transform:translate(0,0)}50%{transform:translate(100px,80px)}}
@keyframes float2{0%,100%{transform:translate(0,0)}50%{transform:translate(-80px,-60px)}}
.bg-grid{position:fixed;inset:0;z-index:-1;background-image:linear-gradient(rgba(99,102,241,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(99,102,241,.03) 1px,transparent 1px);background-size:60px 60px;pointer-events:none}

/* ==================== Navigation ==================== */
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;transition:var(--transition)}
.navbar-inner{max-width:var(--container-max);margin:0 auto;padding:16px 24px;display:flex;align-items:center;justify-content:space-between;transition:var(--transition)}
.navbar.scrolled .navbar-inner{background:var(--bg-glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border);border-radius:0 0 16px 16px;margin:0 auto;padding:12px 24px;max-width:calc(var(--container-max) - 32px)}
.nav-logo{display:flex;align-items:center;gap:10px;font-family:var(--font-heading);font-weight:700;font-size:1.125rem;color:var(--text-primary)}
.nav-logo-icon{width:36px;height:36px;border-radius:10px;background:var(--gradient-primary);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.nav-logo-icon svg{width:20px;height:20px}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-links a{font-size:.9375rem;color:var(--text-secondary);font-weight:500;transition:var(--transition);position:relative}
.nav-links a:hover,.nav-links a.active{color:var(--text-primary)}
.nav-links a::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--gradient-primary);transition:width .3s ease}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-cta{padding:10px 24px;border-radius:100px;background:var(--gradient-primary);color:#fff;font-size:.875rem;font-weight:600;transition:var(--transition);white-space:nowrap}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(99,102,241,.4)}
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:8px;cursor:pointer}
.nav-toggle span{width:24px;height:2px;background:var(--text-primary);transition:var(--transition);border-radius:2px}
.nav-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* ==================== Hero ==================== */
.hero{min-height:100vh;display:flex;align-items:center;position:relative;padding:120px 0 80px;overflow:hidden}
.hero-glow{position:absolute;top:20%;left:50%;transform:translateX(-50%);width:800px;height:800px;border-radius:50%;background:var(--gradient-glow);pointer-events:none}
.hero-inner{position:relative;z-index:2;text-align:center;max-width:900px;margin:0 auto}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 20px;border-radius:100px;background:rgba(99,102,241,.1);border:1px solid rgba(99,102,241,.25);color:var(--primary-light);font-size:.875rem;font-weight:500;margin-bottom:28px}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--success);animation:pulse 2s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.8)}}
.hero h1{font-size:clamp(2.25rem,6vw,4rem);line-height:1.15;margin-bottom:24px;letter-spacing:-.02em}
.hero h1 .highlight{display:block;background:var(--gradient-text);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-desc{font-size:clamp(1rem,2vw,1.1875rem);color:var(--text-secondary);max-width:680px;margin:0 auto 40px;line-height:1.8}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn-primary{display:inline-flex;align-items:center;gap:8px;padding:16px 36px;border-radius:100px;background:var(--gradient-primary);color:#fff;font-size:.9375rem;font-weight:600;transition:var(--transition);box-shadow:0 8px 30px rgba(99,102,241,.3)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 12px 40px rgba(99,102,241,.45)}
.btn-secondary{display:inline-flex;align-items:center;gap:8px;padding:16px 36px;border-radius:100px;background:var(--bg-surface);border:1px solid var(--border-light);color:var(--text-primary);font-size:.9375rem;font-weight:600;transition:var(--transition)}
.btn-secondary:hover{border-color:var(--primary);background:rgba(99,102,241,.08);transform:translateY(-3px)}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;max-width:800px;margin:64px auto 0}
.stat-item{text-align:center;padding:24px 16px;background:var(--bg-glass);border:1px solid var(--border);border-radius:16px;backdrop-filter:blur(10px);transition:var(--transition)}
.stat-item:hover{border-color:var(--primary);transform:translateY(-4px)}
.stat-num{font-family:var(--font-heading);font-size:clamp(1.75rem,4vw,2.5rem);font-weight:700;background:var(--gradient-text);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1}
.stat-label{font-size:.8125rem;color:var(--text-secondary);margin-top:8px}
.scroll-hint{position:absolute;bottom:32px;left:50%;transform:translateX(-50%);color:var(--text-muted);font-size:.75rem;display:flex;flex-direction:column;align-items:center;gap:8px;animation:bounce 2s ease-in-out infinite}
@keyframes bounce{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(-8px)}}

/* ==================== Page Hero (Subpages) ==================== */
.page-hero{padding:160px 0 80px;position:relative;overflow:hidden}
.page-hero-glow{position:absolute;top:0;left:50%;transform:translateX(-50%);width:600px;height:600px;border-radius:50%;background:var(--gradient-glow);pointer-events:none}
.page-hero-inner{position:relative;z-index:2;text-align:center;max-width:800px;margin:0 auto}
.page-hero h1{font-size:clamp(2rem,5vw,3rem);margin-bottom:20px;letter-spacing:-.02em}
.page-hero-desc{font-size:1.0625rem;color:var(--text-secondary);max-width:600px;margin:0 auto;line-height:1.8}

/* ==================== Breadcrumb ==================== */
.breadcrumb{display:flex;align-items:center;gap:8px;padding:24px 0;font-size:.875rem;color:var(--text-muted)}
.breadcrumb a{color:var(--text-secondary);transition:var(--transition)}
.breadcrumb a:hover{color:var(--primary-light)}
.breadcrumb .separator{color:var(--text-muted)}
.breadcrumb .current{color:var(--text-primary)}

/* ==================== About ==================== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;margin-top:48px}
.about-text p{color:var(--text-secondary);font-size:1rem;line-height:1.8;margin-bottom:16px}
.about-text p strong{color:var(--text-primary)}
.about-features{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:32px}
.about-feature{display:flex;align-items:flex-start;gap:12px;padding:20px;background:var(--bg-surface);border:1px solid var(--border);border-radius:14px;transition:var(--transition)}
.about-feature:hover{border-color:var(--primary);transform:translateY(-2px)}
.about-feature-icon{width:40px;height:40px;border-radius:10px;background:rgba(99,102,241,.1);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--primary-light)}
.about-feature-icon svg{width:20px;height:20px}
.about-feature h4{font-size:.9375rem;margin-bottom:4px}
.about-feature p{font-size:.8125rem;color:var(--text-muted);margin:0}
.about-visual{position:relative}
.about-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:24px;padding:40px;position:relative;overflow:hidden}
.about-card::before{content:'';position:absolute;top:-50%;right:-50%;width:200%;height:200%;background:var(--gradient-glow);pointer-events:none}
.about-card-content{position:relative;z-index:2}
.about-card-avatar{width:80px;height:80px;border-radius:20px;background:var(--gradient-primary);display:flex;align-items:center;justify-content:center;font-size:2rem;font-weight:700;color:#fff;font-family:var(--font-heading);margin-bottom:24px}
.about-card h3{font-size:1.375rem;margin-bottom:8px}
.about-card .role{color:var(--primary-light);font-size:.875rem;font-weight:500;margin-bottom:20px}
.about-card .bio{color:var(--text-secondary);font-size:.9375rem;line-height:1.7}
.about-card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.about-card-tag{padding:4px 12px;border-radius:100px;background:rgba(99,102,241,.1);border:1px solid rgba(99,102,241,.2);font-size:.75rem;color:var(--primary-light)}

/* ==================== Services ==================== */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:56px}
.service-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:20px;padding:36px 32px;transition:var(--transition);position:relative;overflow:hidden;cursor:pointer}
.service-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient-primary);transform:scaleX(0);transform-origin:left;transition:transform .4s ease}
.service-card:hover{border-color:var(--primary);transform:translateY(-6px);box-shadow:var(--shadow-md)}
.service-card:hover::before{transform:scaleX(1)}
.service-icon{width:56px;height:56px;border-radius:14px;background:rgba(99,102,241,.1);display:flex;align-items:center;justify-content:center;color:var(--primary-light);margin-bottom:24px;transition:var(--transition)}
.service-card:hover .service-icon{background:var(--gradient-primary);color:#fff}
.service-icon svg{width:28px;height:28px}
.service-card h3{font-size:1.25rem;margin-bottom:12px}
.service-card p{color:var(--text-secondary);font-size:.9375rem;line-height:1.7;margin-bottom:20px}
.service-tags{display:flex;flex-wrap:wrap;gap:8px}
.service-tag{padding:4px 12px;border-radius:100px;background:var(--bg-elevated);font-size:.75rem;color:var(--text-muted)}
.service-detail-link{display:inline-flex;align-items:center;gap:6px;margin-top:20px;font-size:.875rem;color:var(--primary-light);font-weight:500;transition:var(--transition)}
.service-detail-link:hover{gap:10px}

/* Service Detail Section */
.service-detail{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;margin-top:64px;padding:48px;background:var(--bg-surface);border:1px solid var(--border);border-radius:24px}
.service-detail-content h3{font-size:1.5rem;margin-bottom:16px}
.service-detail-content p{color:var(--text-secondary);font-size:.9375rem;line-height:1.8;margin-bottom:16px}
.service-detail-list{display:flex;flex-direction:column;gap:12px;margin-top:24px}
.service-detail-list li{display:flex;align-items:flex-start;gap:12px;color:var(--text-secondary);font-size:.9375rem}
.service-detail-list li svg{width:20px;height:20px;color:var(--success);flex-shrink:0;margin-top:2px}
.service-detail-visual{background:var(--bg-elevated);border:1px solid var(--border);border-radius:20px;padding:40px;display:flex;align-items:center;justify-content:center;min-height:300px}

/* ==================== Tech Stack ==================== */
.tech-section{background:var(--bg-surface)}
.tech-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;margin-top:48px;align-items:start}
.tech-categories{display:flex;flex-direction:column;gap:16px}
.tech-cat{background:var(--bg-elevated);border:1px solid var(--border);border-radius:14px;padding:20px 24px;transition:var(--transition)}
.tech-cat:hover{border-color:var(--primary)}
.tech-cat-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.tech-cat-name{font-weight:600;font-size:.9375rem;color:var(--text-primary)}
.tech-cat-count{font-size:.75rem;color:var(--text-muted);padding:2px 10px;border-radius:100px;background:var(--bg-base)}
.tech-cat-items{display:flex;flex-wrap:wrap;gap:8px}
.tech-chip{padding:5px 14px;border-radius:100px;background:var(--bg-base);border:1px solid var(--border);font-size:.8125rem;color:var(--text-secondary);transition:var(--transition)}
.tech-chip:hover{border-color:var(--accent);color:var(--accent-light)}
.tech-visual{background:var(--bg-elevated);border:1px solid var(--border);border-radius:20px;padding:40px;position:sticky;top:100px}
.tech-visual h3{font-size:1.5rem;margin-bottom:16px}
.tech-visual p{color:var(--text-secondary);font-size:.9375rem;line-height:1.7;margin-bottom:24px}
.tech-list{display:flex;flex-direction:column;gap:16px}
.tech-list-item{display:flex;align-items:center;gap:16px;padding:16px;background:var(--bg-surface);border-radius:12px;border:1px solid var(--border);transition:var(--transition)}
.tech-list-item:hover{border-color:var(--primary)}
.tech-list-icon{width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.tech-list-icon svg{width:22px;height:22px}
.tech-list-info h4{font-size:.9375rem;margin-bottom:2px}
.tech-list-info p{font-size:.8125rem;color:var(--text-muted);margin:0}

/* ==================== Process ==================== */
.process-timeline{margin-top:64px;position:relative}
.process-timeline::before{content:'';position:absolute;left:50%;top:0;bottom:0;width:2px;background:linear-gradient(to bottom,transparent,var(--border-light),var(--border-light),transparent);transform:translateX(-50%)}
.process-step{display:grid;grid-template-columns:1fr auto 1fr;gap:32px;align-items:center;margin-bottom:48px;position:relative}
.process-step:last-child{margin-bottom:0}
.process-step-num{width:56px;height:56px;border-radius:50%;background:var(--bg-surface);border:2px solid var(--primary);display:flex;align-items:center;justify-content:center;font-family:var(--font-heading);font-weight:700;font-size:1.25rem;color:var(--primary-light);z-index:2;position:relative;transition:var(--transition)}
.process-step:hover .process-step-num{background:var(--gradient-primary);color:#fff;box-shadow:0 0 30px rgba(99,102,241,.4)}
.process-step-content{background:var(--bg-surface);border:1px solid var(--border);border-radius:16px;padding:24px 28px;transition:var(--transition)}
.process-step:hover .process-step-content{border-color:var(--primary);transform:scale(1.02)}
.process-step-content h3{font-size:1.125rem;margin-bottom:8px}
.process-step-content p{color:var(--text-secondary);font-size:.875rem;line-height:1.6}
.process-step-content .tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.process-step-content .tags span{padding:3px 10px;border-radius:100px;background:var(--bg-elevated);font-size:.75rem;color:var(--text-muted)}
.process-step:nth-child(odd) .process-step-content{grid-column:1}
.process-step:nth-child(odd) .process-step-spacer{grid-column:3}
.process-step:nth-child(even) .process-step-content{grid-column:3}
.process-step:nth-child(even) .process-step-spacer{grid-column:1}

/* ==================== Cases ==================== */
.cases-filter{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin:40px 0 48px}
.filter-btn{padding:8px 20px;border-radius:100px;background:var(--bg-surface);border:1px solid var(--border);color:var(--text-secondary);font-size:.875rem;font-weight:500;transition:var(--transition);cursor:pointer}
.filter-btn:hover{border-color:var(--primary);color:var(--text-primary)}
.filter-btn.active{background:var(--gradient-primary);color:#fff;border-color:transparent}
.cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:20px;overflow:hidden;transition:var(--transition);cursor:pointer;display:flex;flex-direction:column}
.case-card:hover{border-color:var(--primary);transform:translateY(-6px);box-shadow:var(--shadow-md)}
.case-card-visual{height:200px;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden}
.case-card-visual img{width:100%;height:100%;object-fit:cover;transition:var(--transition)}
.case-card:hover .case-card-visual img{transform:scale(1.05)}
.case-card-visual .case-icon{width:64px;height:64px;border-radius:16px;display:flex;align-items:center;justify-content:center;z-index:2;transition:var(--transition)}
.case-card:hover .case-card-visual .case-icon{transform:scale(1.1) rotate(-5deg)}
.case-card-visual .case-icon svg{width:32px;height:32px;color:#fff}
.case-card-body{padding:24px;flex:1;display:flex;flex-direction:column}
.case-card-cat{font-size:.75rem;color:var(--text-muted);margin-bottom:8px;letter-spacing:.5px;text-transform:uppercase}
.case-card h3{font-size:1.125rem;margin-bottom:10px}
.case-card p{color:var(--text-secondary);font-size:.875rem;line-height:1.6;flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.case-card-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}
.case-card-tag{padding:3px 10px;border-radius:100px;background:var(--bg-elevated);font-size:.75rem;color:var(--text-muted)}
.case-card-link{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:.875rem;color:var(--primary-light);font-weight:500;transition:var(--transition)}
.case-card:hover .case-card-link{gap:10px}

/* ==================== Case Detail Page ==================== */
.case-detail-header{padding:140px 0 60px;position:relative;overflow:hidden}
.case-detail-header-glow{position:absolute;top:0;left:0;right:0;height:400px;opacity:.08;pointer-events:none}
.case-detail-meta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}
.case-detail-meta .meta-item{display:inline-flex;align-items:center;gap:6px;padding:6px 16px;border-radius:100px;background:var(--bg-surface);border:1px solid var(--border);font-size:.8125rem;color:var(--text-secondary)}
.case-detail-meta .meta-item svg{width:14px;height:14px}
.case-detail-title{font-size:clamp(1.75rem,4vw,2.75rem);margin-bottom:16px}
.case-detail-summary{font-size:1.125rem;color:var(--text-secondary);max-width:800px;line-height:1.7;margin-bottom:32px}
.case-detail-body{display:grid;grid-template-columns:1fr 320px;gap:48px;margin-top:48px}
.case-detail-content{min-width:0}
.case-detail-content h2{font-size:1.5rem;margin:40px 0 20px;color:var(--text-primary)}
.case-detail-content h2:first-child{margin-top:0}
.case-detail-content p{color:var(--text-secondary);font-size:1rem;line-height:1.8;margin-bottom:16px}
.case-detail-content ul{margin:16px 0;padding-left:0}
.case-detail-content ul li{display:flex;align-items:flex-start;gap:10px;color:var(--text-secondary);font-size:.9375rem;margin-bottom:10px}
.case-detail-content ul li::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--primary);margin-top:10px;flex-shrink:0}
.case-detail-screenshots{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px;margin:32px 0}
.case-screenshot{border-radius:16px;overflow:hidden;border:1px solid var(--border);transition:var(--transition);background:var(--bg-surface)}
.case-screenshot:hover{border-color:var(--primary);transform:translateY(-4px)}
.case-screenshot img{width:100%;display:block}
.case-screenshot-caption{padding:12px 16px;font-size:.8125rem;color:var(--text-muted);text-align:center}
.case-detail-sidebar{position:sticky;top:100px;align-self:start}
.case-info-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:20px;padding:32px;margin-bottom:24px}
.case-info-card h3{font-size:1.125rem;margin-bottom:20px}
.case-info-list{display:flex;flex-direction:column;gap:16px}
.case-info-item{display:flex;flex-direction:column;gap:4px}
.case-info-item .label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}
.case-info-item .value{font-size:.9375rem;color:var(--text-primary);font-weight:500}
.case-tags-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:20px;padding:32px}
.case-tags-card h3{font-size:1.125rem;margin-bottom:16px}
.case-tags-list{display:flex;flex-wrap:wrap;gap:8px}
.case-tags-list span{padding:6px 14px;border-radius:100px;background:var(--bg-elevated);border:1px solid var(--border);font-size:.8125rem;color:var(--text-secondary)}
.case-nav{display:flex;justify-content:space-between;gap:24px;margin-top:64px;padding-top:48px;border-top:1px solid var(--border)}
.case-nav-item{flex:1;padding:24px;background:var(--bg-surface);border:1px solid var(--border);border-radius:16px;transition:var(--transition)}
.case-nav-item:hover{border-color:var(--primary);transform:translateY(-2px)}
.case-nav-item .nav-label{font-size:.75rem;color:var(--text-muted);margin-bottom:4px}
.case-nav-item .nav-title{font-size:.9375rem;color:var(--text-primary);font-weight:500}

/* ==================== Culture ==================== */
.culture-section{background:var(--bg-surface)}
.culture-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:56px}
.culture-card{text-align:center;padding:40px 32px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:20px;transition:var(--transition)}
.culture-card:hover{border-color:var(--primary);transform:translateY(-6px)}
.culture-icon{width:64px;height:64px;border-radius:16px;background:var(--gradient-primary);display:flex;align-items:center;justify-content:center;margin:0 auto 24px;transition:var(--transition)}
.culture-icon svg{width:32px;height:32px;color:#fff}
.culture-card h3{font-size:1.25rem;margin-bottom:12px}
.culture-card p{color:var(--text-secondary);font-size:.9375rem;line-height:1.7}

/* ==================== FAQ ==================== */
.faq-list{max-width:800px;margin:48px auto 0;display:flex;flex-direction:column;gap:16px}
.faq-item{background:var(--bg-surface);border:1px solid var(--border);border-radius:16px;overflow:hidden;transition:var(--transition)}
.faq-item:hover{border-color:var(--border-light)}
.faq-item.active{border-color:var(--primary)}
.faq-question{width:100%;padding:24px 28px;display:flex;align-items:center;justify-content:space-between;text-align:left;font-size:1rem;font-weight:600;color:var(--text-primary);cursor:pointer;transition:var(--transition)}
.faq-question:hover{color:var(--primary-light)}
.faq-icon{width:24px;height:24px;flex-shrink:0;transition:var(--transition);color:var(--text-muted)}
.faq-item.active .faq-icon{transform:rotate(45deg);color:var(--primary-light)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s ease;padding:0 28px}
.faq-item.active .faq-answer{max-height:300px;padding:0 28px 24px}
.faq-answer p{color:var(--text-secondary);font-size:.9375rem;line-height:1.7}

/* ==================== Contact ==================== */
.contact-section{position:relative;overflow:hidden}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;margin-top:48px;align-items:center}
.contact-info h3{font-size:1.75rem;margin-bottom:24px}
.contact-info p{color:var(--text-secondary);font-size:1rem;line-height:1.7;margin-bottom:32px}
.contact-list{display:flex;flex-direction:column;gap:20px}
.contact-item{display:flex;align-items:center;gap:16px;padding:20px 24px;background:var(--bg-surface);border:1px solid var(--border);border-radius:14px;transition:var(--transition)}
.contact-item:hover{border-color:var(--primary);transform:translateX(4px)}
.contact-item-icon{width:48px;height:48px;border-radius:12px;background:rgba(99,102,241,.1);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--primary-light)}
.contact-item-icon svg{width:24px;height:24px}
.contact-item-info .label{font-size:.75rem;color:var(--text-muted);margin-bottom:2px}
.contact-item-info .value{font-size:1rem;font-weight:600;color:var(--text-primary)}
.contact-cta{background:var(--bg-surface);border:1px solid var(--border);border-radius:24px;padding:48px;text-align:center;position:relative;overflow:hidden}
.contact-cta::before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:var(--gradient-glow)}
.contact-cta-content{position:relative;z-index:2}
.contact-cta h3{font-size:1.75rem;margin-bottom:16px}
.contact-cta p{color:var(--text-secondary);margin-bottom:32px}
.contact-cta .btn-primary{font-size:1rem;padding:18px 40px}

/* ==================== CTA Section ==================== */
.cta-section{padding:80px 0;position:relative}
.cta-banner{background:var(--bg-surface);border:1px solid var(--border);border-radius:24px;padding:56px 48px;text-align:center;position:relative;overflow:hidden}
.cta-banner::before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:var(--gradient-glow)}
.cta-banner-content{position:relative;z-index:2}
.cta-banner h2{font-size:clamp(1.5rem,3vw,2rem);margin-bottom:16px}
.cta-banner p{color:var(--text-secondary);font-size:1rem;margin-bottom:32px;max-width:500px;margin-left:auto;margin-right:auto}
.cta-banner-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ==================== Footer ==================== */
.footer{background:var(--bg-surface);border-top:1px solid var(--border);padding:64px 0 32px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px}
.footer-brand .nav-logo{margin-bottom:16px}
.footer-brand p{color:var(--text-muted);font-size:.875rem;line-height:1.7;max-width:320px}
.footer-col h4{font-size:.9375rem;margin-bottom:20px;color:var(--text-primary)}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{color:var(--text-muted);font-size:.875rem;transition:var(--transition)}
.footer-col a:hover{color:var(--primary-light)}
.footer-bottom{border-top:1px solid var(--border);padding-top:32px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
.footer-bottom p{color:var(--text-muted);font-size:.8125rem}
.footer-links{display:flex;gap:24px}
.footer-links a{color:var(--text-muted);font-size:.8125rem;transition:var(--transition)}
.footer-links a:hover{color:var(--primary-light)}

/* ==================== Back to Top ==================== */
.back-to-top{position:fixed;bottom:32px;right:32px;width:48px;height:48px;border-radius:14px;background:var(--bg-surface);border:1px solid var(--border-light);display:flex;align-items:center;justify-content:center;color:var(--text-primary);opacity:0;visibility:hidden;transition:var(--transition);z-index:999;cursor:pointer}
.back-to-top.visible{opacity:1;visibility:visible}
.back-to-top:hover{background:var(--gradient-primary);border-color:transparent;transform:translateY(-4px)}
.back-to-top svg{width:22px;height:22px}

/* ==================== Responsive ==================== */
@media(max-width:1024px){
  .services-grid,.cases-grid,.culture-grid{grid-template-columns:repeat(2,1fr)}
  .about-grid,.tech-grid,.contact-grid,.service-detail{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .tech-visual{position:static}
  .case-detail-body{grid-template-columns:1fr}
  .case-detail-sidebar{position:static}
}
@media(max-width:768px){
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:var(--bg-surface);border:1px solid var(--border);border-radius:16px;padding:24px;flex-direction:column;gap:16px;margin-top:8px}
  .nav-links.open{display:flex}
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .services-grid,.cases-grid,.culture-grid,.about-features{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .process-timeline::before{left:28px}
  .process-step{grid-template-columns:auto 1fr;gap:16px}
  .process-step:nth-child(odd) .process-step-content,.process-step:nth-child(even) .process-step-content{grid-column:2}
  .process-step:nth-child(odd) .process-step-spacer,.process-step:nth-child(even) .process-step-spacer{display:none}
  .section{padding:64px 0}
  .contact-cta{padding:32px 24px}
  .cta-banner{padding:40px 24px}
  .footer-bottom{flex-direction:column;text-align:center}
  .case-detail-screenshots{grid-template-columns:repeat(2,1fr)}
  .case-nav{flex-direction:column}
}
@media(max-width:480px){
  .hero-stats{grid-template-columns:1fr 1fr;gap:12px}
  .stat-item{padding:16px 8px}
  .hero-actions{flex-direction:column;width:100%}
  .hero-actions .btn-primary,.hero-actions .btn-secondary{width:100%;justify-content:center}
  .case-detail-screenshots{grid-template-columns:1fr}
}

/* ==================== Reduced Motion ==================== */
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}