/* =========================================
   CSS TỐI ƯU RIÊNG CHO TRANG AUTOMATION SOLUTIONS
   ========================================= */
.vifaso-section { padding: 80px 5%; }
.vifaso-container { max-width: 1200px; margin: 0 auto; }
.section-title { font-size: 32px; font-weight: 800; color: #0f172a; text-align: center; margin-bottom: 15px; }
.section-subtitle { font-size: 16px; color: #64748b; text-align: center; max-width: 750px; margin: 0 auto 50px auto; line-height: 1.6; }

/* Hero Section */
.hero-section { position: relative; background: url('/images/banner/banner-tuoi-bietthu.png') no-repeat center center; background-size: cover; color: #fff; padding: 50px 5%; }
.hero-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(135deg, rgba(6, 78, 59, 0.92), rgba(11, 99, 61, 0.80)); z-index: 1; }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.hero-badge { display: inline-block; background: rgba(167, 243, 208, 0.18); border: 1px solid rgba(167, 243, 208, 0.4); color: #6ee7b7; padding: 6px 16px; border-radius: 20px; font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 15px; }
.hero-title { font-size: 38px; font-weight: 800; margin: 0 0 15px 0; line-height: 1.25; color: #ffffff; }
.hero-title span { color: #4ade80; }
.hero-desc { font-size: 16px; color: #e6fffa; line-height: 1.6; margin: 0 0 20px 0; }
.hero-slogan { font-size: 14px; color: #a7f3d0; font-style: italic; display: flex; align-items: center; gap: 8px; margin-bottom: 30px; }
.hero-actions { display: flex; gap: 15px; flex-wrap: wrap; }
.btn-primary-green { display: inline-flex; align-items: center; gap: 8px; background: #0b633d; color: #ffffff; padding: 14px 28px; border-radius: 8px; font-weight: 700; text-decoration: none; font-size: 15px; border: 1px solid #0b633d; transition: all 0.3s; }
.btn-outline-glass { display: inline-flex; align-items: center; gap: 8px; background: rgba(255, 255, 255, 0.12); color: #ffffff; padding: 14px 28px; border-radius: 8px; font-weight: 600; text-decoration: none; font-size: 15px; border: 1px solid rgba(255, 255, 255, 0.4); backdrop-filter: blur(4px); }

/* Mockup Box */
.hero-mockup-box { background: rgba(255, 255, 255, 0.08); padding: 20px; border-radius: 16px; backdrop-filter: blur(8px); border: 1px solid rgba(255,255,255,0.2); text-align: center; position: relative; }
.hero-mockup-img { width: 100%; height: auto; border-radius: 8px; box-shadow: 0 15px 35px rgba(0,0,0,0.3); }
.mockup-tag { position: absolute; bottom: -15px; right: -10px; background: #0f172a; color: #fff; padding: 10px 18px; border-radius: 30px; font-size: 13px; font-weight: 700; border: 2px solid #4ade80; display: flex; align-items: center; gap: 8px; }

/* Metrics Grid */
.metrics-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 25px; text-align: center; }
.metric-card { background: #ffffff; padding: 30px 20px; border-radius: 12px; box-shadow: 0 4px 20px rgba(0,0,0,0.06); border-bottom: 4px solid #0b633d; }
.metric-number { font-size: 38px; font-weight: 800; color: #0b633d; margin-bottom: 5px; }
.metric-label { font-size: 14px; color: #475569; font-weight: 600; }

/* Problems & Solutions */
.problems-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 25px; margin-bottom: 40px; }
.problem-card { background: #fff; padding: 25px; border-radius: 10px; border: 1px solid #e2e8f0; transition: transform 0.3s; }
.problem-card:hover { transform: translateY(-5px); box-shadow: 0 10px 25px rgba(0,0,0,0.08); }
.problem-icon { font-size: 28px; color: #ef4444; margin-bottom: 12px; }
.problem-title { font-size: 18px; color: #0f172a; margin-bottom: 8px; }
.problem-desc { font-size: 14px; color: #64748b; line-height: 1.5; margin: 0; }
.solution-box { background: linear-gradient(135deg, #064e3b, #0b633d); color: #fff; padding: 35px; border-radius: 12px; text-align: center; }
.solution-title { font-size: 22px; font-weight: 700; margin-bottom: 10px; color: #4ade80; }
.solution-desc { font-size: 16px; color: #e6fffa; max-width: 850px; margin: 0 auto; line-height: 1.6; }

/* Pricing Packages */
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.pricing-card { background: #fff; border-radius: 12px; border: 1px solid #e2e8f0; padding: 35px 25px; display: flex; flex-direction: column; justify-content: space-between; position: relative; transition: all 0.3s; }
.pricing-card.featured { border: 2px solid #0b633d; box-shadow: 0 10px 30px rgba(11, 99, 61, 0.15); }
.pricing-badge { position: absolute; top: -12px; right: 20px; background: #0b633d; color: #fff; font-size: 11px; padding: 4px 12px; border-radius: 20px; font-weight: 700; text-transform: uppercase; }
.pricing-title { font-size: 20px; color: #0f172a; margin-bottom: 8px; }
.pricing-card.featured .pricing-title { color: #0b633d; }
.pricing-desc { font-size: 13px; color: #64748b; margin-bottom: 20px; }
.pricing-features { list-style: none; padding: 0; margin: 0 0 25px 0; font-size: 14px; color: #334155; display: flex; flex-direction: column; gap: 10px; }
.pricing-features li i { color: #0b633d; margin-right: 8px; }
.pricing-btn { display: block; text-align: center; background: #e2e8f0; color: #0f172a; padding: 12px; border-radius: 8px; font-weight: 700; text-decoration: none; transition: 0.3s; }
.pricing-card.featured .pricing-btn { background: #0b633d; color: #fff; }

/* Process Steps */
.process-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; }
.process-step { background: #f8fafc; padding: 25px 20px; border-radius: 10px; position: relative; border-left: 4px solid #0b633d; }
.step-num { font-size: 32px; font-weight: 900; color: #cbd5e1; position: absolute; top: 10px; right: 15px; }
.step-title { font-size: 16px; color: #0f172a; margin-bottom: 6px; }
.step-desc { font-size: 13px; color: #64748b; margin: 0; line-height: 1.5; }

/* Tech Features */
.tech-section { background-color: #0f172a; color: #fff; }
.tech-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; }
.tech-card { background: rgba(255,255,255,0.05); padding: 25px; border-radius: 10px; border: 1px solid rgba(255,255,255,0.1); }
.tech-icon { font-size: 28px; color: #4ade80; margin-bottom: 10px; }
.tech-title { font-size: 18px; margin-bottom: 8px; color: #fff; }
.tech-desc { font-size: 14px; color: #cbd5e1; line-height: 1.5; margin: 0; }

/* Projects & Testimonials */
.projects-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 30px; }
.project-item { background: #fff; border-radius: 12px; overflow: hidden; border: 1px solid #e2e8f0; box-shadow: 0 4px 15px rgba(0,0,0,0.05); }
.project-item img { width: 100%; height: 200px; object-fit: cover; }
.project-content { padding: 20px; }
.project-tag { font-size: 12px; color: #0b633d; font-weight: 700; text-transform: uppercase; }
.project-name { font-size: 18px; color: #0f172a; margin: 8px 0; }
.project-text { font-size: 13px; color: #64748b; margin-bottom: 15px; }
.project-link { display: inline-block; color: #0b633d; font-weight: 700; font-size: 14px; text-decoration: none; }

/* Testimonials */
.testimonial-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 25px; }
.testimonial-card { background: #fff; padding: 30px; border-radius: 12px; border: 1px solid #e2e8f0; position: relative; }
.stars { color: #eab308; margin-bottom: 10px; font-size: 14px; }
.testimonial-text { font-size: 14px; color: #475569; line-height: 1.6; font-style: italic; margin-bottom: 20px; }
.author-box { display: flex; align-items: center; gap: 12px; }
.author-avatar { width: 45px; height: 45px; background: #0b633d; color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; }
.author-name { font-size: 15px; color: #0f172a; margin: 0; }
.author-title { font-size: 12px; color: #64748b; }

/* CTA Section & Form */
.cta-section { background: linear-gradient(135deg, #064e3b, #0b633d); color: #fff; }
.cta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.cta-title { font-size: 32px; font-weight: 800; color: #ffffff; margin-bottom: 15px; }
.cta-desc { font-size: 16px; color: #e6fffa; line-height: 1.6; margin-bottom: 25px; }
.cta-contact-info { display: flex; flex-direction: column; gap: 12px; font-size: 15px; color: #a7f3d0; }
.form-box { background: #ffffff; padding: 35px; border-radius: 12px; color: #0f172a; box-shadow: 0 15px 30px rgba(0,0,0,0.2); }
.form-title { font-size: 20px; font-weight: 700; color: #0b633d; margin-bottom: 20px; text-align: center; }
.form-input { width: 100%; padding: 14px 18px; border-radius: 8px; border: 1px solid #cbd5e1; font-size: 15px; outline: none; margin-bottom: 15px; box-sizing: border-box; }
.form-input:focus { border-color: #0b633d; }
.form-submit-btn { width: 100%; background: #0b633d; color: #ffffff; border: none; padding: 14px; border-radius: 8px; font-weight: 700; font-size: 15px; cursor: pointer; transition: background 0.3s; }

@media (max-width: 768px) {
    .vifaso-section { padding: 50px 5%; }
    .hero-grid, .cta-grid { grid-template-columns: 1fr; gap: 30px; }
    .hero-title { font-size: 28px; }
}