/* ===== RESET & BASE ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Noto Sans SC', sans-serif; color: #333; line-height: 1.6; overflow-x: hidden; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
a { text-decoration: none; color: inherit; transition: color 0.3s; }
ul { list-style: none; }
img { max-width: 100%; }

/* ===== NAVBAR ===== */
.navbar { position: fixed; top: 0; width: 100%; z-index: 1000; padding: 16px 0; transition: all 0.3s; }
.navbar.scrolled { background: rgba(15,12,41,0.98); box-shadow: 0 2px 20px rgba(0,0,0,0.3); padding: 10px 0; }
.nav-content { display: flex; align-items: center; justify-content: space-between; }
.logo { font-size: 20px; font-weight: 700; color: #fff; display: flex; align-items: center; gap: 8px; white-space: nowrap; }
.logo i { color: #FF9900; font-size: 24px; }
.nav-links { display: flex; list-style: none; gap: 6px; align-items: center; }
.nav-links > li { position: relative; }
.nav-links > li > a { color: rgba(255,255,255,0.9); font-size: 15px; font-weight: 400; padding: 8px 14px; border-radius: 6px; display: flex; align-items: center; gap: 4px; transition: all 0.3s; }
.nav-links > li > a:hover { color: #FF9900; }
.nav-links > li > a .fa-chevron-down { font-size: 10px; transition: transform 0.3s; }

/* Dropdown */
.dropdown-menu { position: absolute; top: 100%; left: 0; background: #fff; min-width: 200px; border-radius: 10px; box-shadow: 0 10px 40px rgba(0,0,0,0.15); padding: 8px 0; opacity: 0; visibility: hidden; transform: translateY(10px); transition: all 0.3s; z-index: 100; }
.nav-links > li:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-menu a { display: block; padding: 10px 20px; color: #333; font-size: 14px; transition: all 0.3s; }
.dropdown-menu a:hover { background: #fff3e0; color: #FF9900; padding-left: 24px; }
.dropdown-menu a i { margin-right: 8px; color: #FF9900; width: 18px; text-align: center; }

.btn-nav { background: #FF9900 !important; color: #fff !important; padding: 8px 24px !important; border-radius: 6px; font-weight: 500; }
.btn-nav:hover { background: #e68a00 !important; }
.hamburger { display: none; color: #fff; font-size: 24px; cursor: pointer; }

/* ===== HERO ===== */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; background: linear-gradient(135deg, #0f0c29 0%, #1a1a4e 50%, #24243e 100%); overflow: hidden; }
.hero-bg { position: absolute; inset: 0; }
.hero-bg::before { content: ''; position: absolute; width: 500px; height: 500px; background: radial-gradient(circle, rgba(255,153,0,0.08) 0%, transparent 70%); top: -100px; right: -100px; border-radius: 50%; }
.hero-bg::after { content: ''; position: absolute; width: 400px; height: 400px; background: radial-gradient(circle, rgba(26,26,78,0.5) 0%, transparent 70%); bottom: -100px; left: -100px; border-radius: 50%; }
.hero-content { position: relative; text-align: center; color: #fff; padding: 120px 0 80px; }
.hero-badge { display: inline-block; background: rgba(255,153,0,0.15); color: #FF9900; padding: 6px 20px; border-radius: 20px; font-size: 14px; font-weight: 500; margin-bottom: 24px; border: 1px solid rgba(255,153,0,0.3); }
.hero h1 { font-size: 52px; font-weight: 700; margin-bottom: 20px; line-height: 1.3; }
.hero h1 .highlight { background: linear-gradient(90deg, #FF9900, #ffb84d); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-sub { font-size: 18px; color: rgba(255,255,255,0.75); margin-bottom: 40px; line-height: 1.8; max-width: 700px; margin-left: auto; margin-right: auto; }
.hero-buttons { display: flex; gap: 16px; justify-content: center; margin-bottom: 60px; }
.btn-primary { display: inline-block; background: #FF9900; color: #fff; padding: 14px 36px; border-radius: 8px; font-size: 16px; font-weight: 500; border: none; cursor: pointer; transition: all 0.3s; font-family: inherit; }
.btn-primary:hover { background: #e68a00; transform: translateY(-2px); box-shadow: 0 8px 25px rgba(255,153,0,0.3); }
.btn-secondary { display: inline-block; border: 2px solid rgba(255,255,255,0.3); color: #fff; padding: 12px 36px; border-radius: 8px; font-size: 16px; transition: all 0.3s; }
.btn-secondary:hover { border-color: #FF9900; color: #FF9900; }
.btn-outline { display: inline-block; border: 2px solid #FF9900; color: #FF9900; padding: 12px 36px; border-radius: 8px; font-size: 16px; font-weight: 500; transition: all 0.3s; }
.btn-outline:hover { background: #FF9900; color: #fff; }
.hero-stats { display: flex; justify-content: center; gap: 60px; }
.stat { text-align: center; }
.stat-num { display: block; font-size: 36px; font-weight: 700; color: #FF9900; }
.stat-label { font-size: 14px; color: rgba(255,255,255,0.6); margin-top: 4px; }

/* ===== SECTIONS ===== */
.section { padding: 100px 0; }
.section-title { text-align: center; font-size: 36px; font-weight: 700; margin-bottom: 16px; color: #1a1a2e; }
.section-title.light { color: #fff; }
.section-subtitle { text-align: center; font-size: 16px; color: #666; margin-bottom: 60px; max-width: 700px; margin-left: auto; margin-right: auto; line-height: 1.8; }
.section-subtitle.light { color: rgba(255,255,255,0.75); }
.section-tag { text-align: center; display: block; color: #FF9900; font-size: 14px; font-weight: 600; text-transform: uppercase; letter-spacing: 2px; margin-bottom: 12px; }
.bg-light { background: #f8f9fc; }
.bg-dark { background: linear-gradient(135deg, #0f0c29, #1a1a4e); }

/* ===== CARDS ===== */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }

.card { background: #fff; padding: 40px 30px; border-radius: 12px; transition: all 0.3s; border: 1px solid #eee; }
.card:hover { transform: translateY(-6px); box-shadow: 0 12px 40px rgba(0,0,0,0.1); border-color: transparent; }
.card-icon { width: 60px; height: 60px; border-radius: 14px; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; font-size: 24px; }
.card-icon.orange { background: linear-gradient(135deg, #FF9900, #ffb84d); color: #fff; }
.card-icon.blue { background: linear-gradient(135deg, #1a1a4e, #3a3a8e); color: #FF9900; }
.card-icon.light-orange { background: #fff3e0; color: #FF9900; }
.card h3 { font-size: 18px; margin-bottom: 12px; color: #1a1a2e; }
.card p { font-size: 14px; color: #666; line-height: 1.7; }
.card-center { text-align: center; }
.card-center .card-icon { margin: 0 auto 20px; }

/* Feature card with border-left */
.feature-card { background: #fff; padding: 30px; border-radius: 12px; border-left: 4px solid #FF9900; box-shadow: 0 4px 20px rgba(0,0,0,0.06); transition: all 0.3s; }
.feature-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.1); }
.feature-card h3 { font-size: 18px; margin-bottom: 10px; color: #1a1a2e; }
.feature-card p { font-size: 14px; color: #666; line-height: 1.7; }

/* ===== WASTE SECTION (Homepage) ===== */
.waste-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 50px; }
.waste-card { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); border-radius: 12px; padding: 30px 24px; text-align: center; color: #fff; transition: all 0.3s; }
.waste-card:hover { background: rgba(255,153,0,0.1); border-color: rgba(255,153,0,0.3); transform: translateY(-4px); }
.waste-card .waste-icon { font-size: 36px; color: #FF9900; margin-bottom: 16px; }
.waste-card h3 { font-size: 18px; margin-bottom: 8px; }
.waste-card p { font-size: 14px; color: rgba(255,255,255,0.6); line-height: 1.6; }

/* ===== STEPS ===== */
.steps { display: flex; justify-content: center; gap: 40px; align-items: flex-start; margin-top: 50px; position: relative; }
.step { text-align: center; flex: 1; max-width: 280px; position: relative; }
.step-number { width: 70px; height: 70px; border-radius: 50%; background: linear-gradient(135deg, #FF9900, #ffb84d); color: #fff; font-size: 28px; font-weight: 700; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; }
.step h3 { font-size: 18px; color: #1a1a2e; margin-bottom: 10px; }
.step p { font-size: 14px; color: #666; line-height: 1.7; }
.step-arrow { position: absolute; top: 35px; right: -30px; color: #FF9900; font-size: 20px; }

/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { border: 1px solid #eee; border-radius: 10px; margin-bottom: 12px; overflow: hidden; transition: all 0.3s; }
.faq-item.active { border-color: #FF9900; }
.faq-question { padding: 20px 24px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-size: 16px; font-weight: 500; color: #1a1a2e; background: #fff; transition: all 0.3s; }
.faq-question:hover { color: #FF9900; }
.faq-question i { color: #FF9900; transition: transform 0.3s; font-size: 14px; }
.faq-item.active .faq-question i { transform: rotate(180deg); }
.faq-answer { padding: 0 24px; max-height: 0; overflow: hidden; transition: all 0.3s; }
.faq-answer p { padding-bottom: 20px; font-size: 14px; color: #666; line-height: 1.8; }
.faq-item.active .faq-answer { max-height: 300px; }

/* ===== CTA SECTION ===== */
.cta-section { background: linear-gradient(135deg, #0f0c29, #1a1a4e); padding: 80px 0; text-align: center; }
.cta-section h2 { color: #fff; font-size: 36px; margin-bottom: 16px; }
.cta-section p { color: rgba(255,255,255,0.75); font-size: 16px; margin-bottom: 40px; max-width: 600px; margin-left: auto; margin-right: auto; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; }

/* ===== PAGE HERO (Sub-pages) ===== */
.page-hero { background: linear-gradient(135deg, #0f0c29 0%, #1a1a4e 50%, #24243e 100%); padding: 140px 0 80px; text-align: center; color: #fff; position: relative; overflow: hidden; }
.page-hero::before { content: ''; position: absolute; width: 400px; height: 400px; background: radial-gradient(circle, rgba(255,153,0,0.06) 0%, transparent 70%); top: -100px; right: -50px; border-radius: 50%; }
.page-hero .section-tag { color: #FF9900; }
.page-hero h1 { font-size: 44px; font-weight: 700; margin-bottom: 16px; }
.page-hero p { font-size: 18px; color: rgba(255,255,255,0.75); max-width: 700px; margin: 0 auto; line-height: 1.8; }

/* ===== CLOUD PROVIDER PAGES ===== */
.provider-intro { display: flex; gap: 60px; align-items: center; }
.provider-intro-text { flex: 1; }
.provider-intro-text h2 { font-size: 32px; color: #1a1a2e; margin-bottom: 16px; }
.provider-intro-text p { font-size: 15px; color: #666; line-height: 1.8; margin-bottom: 16px; }
.provider-intro-visual { flex: 0 0 360px; }
.provider-visual-box { width: 320px; height: 320px; background: linear-gradient(135deg, #1a1a4e, #3a3a8e); border-radius: 24px; display: flex; flex-direction: column; align-items: center; justify-content: center; color: #fff; }
.provider-visual-box i { font-size: 80px; color: #FF9900; margin-bottom: 16px; }
.provider-visual-box span { font-size: 20px; font-weight: 600; letter-spacing: 1px; }

/* Tag list */
.tag-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.tag { display: inline-block; background: #fff3e0; color: #FF9900; padding: 6px 16px; border-radius: 20px; font-size: 13px; font-weight: 500; }

/* ===== SERVICES LIST ===== */
.services-detail { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
.service-detail-card { background: #fff; padding: 36px; border-radius: 12px; border: 1px solid #eee; transition: all 0.3s; }
.service-detail-card:hover { border-color: #FF9900; box-shadow: 0 8px 30px rgba(255,153,0,0.1); }
.service-detail-card .icon-wrap { width: 50px; height: 50px; background: #fff3e0; border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.service-detail-card .icon-wrap i { font-size: 22px; color: #FF9900; }
.service-detail-card h3 { font-size: 18px; color: #1a1a2e; margin-bottom: 10px; }
.service-detail-card p { font-size: 14px; color: #666; line-height: 1.7; }
.service-detail-card ul { margin-top: 12px; padding-left: 0; }
.service-detail-card ul li { font-size: 14px; color: #666; padding: 4px 0; padding-left: 20px; position: relative; }
.service-detail-card ul li::before { content: '\f00c'; font-family: 'Font Awesome 6 Free'; font-weight: 900; position: absolute; left: 0; color: #FF9900; font-size: 12px; }

/* ===== CASE CARDS ===== */
.case-card { background: #fff; padding: 36px; border-radius: 12px; border-left: 4px solid #FF9900; box-shadow: 0 4px 20px rgba(0,0,0,0.06); transition: all 0.3s; }
.case-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.1); }
.case-tag { display: inline-block; background: #fff3e0; color: #FF9900; padding: 4px 14px; border-radius: 20px; font-size: 13px; font-weight: 500; margin-bottom: 16px; }
.case-card h3 { font-size: 18px; margin-bottom: 12px; color: #1a1a2e; }
.case-card p { font-size: 14px; color: #666; line-height: 1.8; }

/* ===== ABOUT PAGE ===== */
.about-content { display: flex; gap: 60px; align-items: center; }
.about-text { flex: 1; }
.about-text h2 { font-size: 32px; margin-bottom: 20px; color: #1a1a2e; }
.about-text p { font-size: 15px; color: #666; margin-bottom: 16px; line-height: 1.8; }
.about-img { flex: 0 0 360px; }
.about-visual { width: 300px; height: 300px; background: linear-gradient(135deg, #1a1a4e, #3a3a8e); border-radius: 24px; display: flex; flex-direction: column; align-items: center; justify-content: center; color: #fff; }
.about-visual i { font-size: 80px; color: #FF9900; margin-bottom: 16px; }
.about-visual span { font-size: 20px; font-weight: 500; letter-spacing: 2px; }
.cert-grid { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.cert { background: #fff; padding: 10px 20px; border-radius: 8px; font-size: 13px; color: #555; border: 1px solid #e0e0e0; display: flex; align-items: center; gap: 8px; }
.cert i { color: #FF9900; }

/* Team */
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.team-card { text-align: center; background: #fff; padding: 40px 24px; border-radius: 12px; border: 1px solid #eee; transition: all 0.3s; }
.team-card:hover { transform: translateY(-6px); box-shadow: 0 12px 40px rgba(0,0,0,0.1); }
.team-avatar { width: 80px; height: 80px; border-radius: 50%; background: linear-gradient(135deg, #1a1a4e, #3a3a8e); display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; }
.team-avatar i { font-size: 32px; color: #FF9900; }
.team-card h3 { font-size: 17px; color: #1a1a2e; margin-bottom: 4px; }
.team-card .role { font-size: 13px; color: #FF9900; margin-bottom: 10px; }
.team-card p { font-size: 13px; color: #888; line-height: 1.6; }

/* ===== CONTACT PAGE ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.contact-info { display: flex; flex-direction: column; gap: 30px; justify-content: center; }
.contact-item { display: flex; gap: 20px; align-items: center; }
.contact-item i { font-size: 22px; color: #FF9900; width: 50px; height: 50px; background: #fff3e0; border-radius: 12px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact-item h4 { font-size: 14px; color: #999; margin-bottom: 4px; }
.contact-item p { font-size: 15px; color: #333; }
.contact-dark .contact-item { color: #fff; }
.contact-dark .contact-item i { background: rgba(255,153,0,0.15); }
.contact-dark .contact-item h4 { color: rgba(255,255,255,0.5); }
.contact-dark .contact-item p { color: #fff; }

.contact-form { display: flex; flex-direction: column; gap: 16px; }
.contact-form input, .contact-form textarea, .contact-form select { padding: 14px 18px; border-radius: 8px; border: 1px solid #ddd; background: #fff; color: #333; font-size: 15px; font-family: inherit; outline: none; transition: border 0.3s; }
.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus { border-color: #FF9900; }
.contact-form-dark input, .contact-form-dark textarea, .contact-form-dark select { border-color: rgba(255,255,255,0.15); background: rgba(255,255,255,0.08); color: #fff; }
.contact-form-dark input::placeholder, .contact-form-dark textarea::placeholder { color: rgba(255,255,255,0.4); }
.contact-form-dark input:focus, .contact-form-dark textarea:focus { border-color: #FF9900; }

/* ===== FOOTER ===== */
.footer { background: #0a0a1a; color: #aaa; padding: 60px 0 0; }
.footer-content { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-brand .logo { color: #fff; margin-bottom: 12px; font-size: 18px; }
.footer-brand p { font-size: 14px; line-height: 1.7; color: #888; }
.footer-brand .footer-social { display: flex; gap: 12px; margin-top: 16px; }
.footer-brand .footer-social a { width: 36px; height: 36px; border-radius: 8px; background: rgba(255,255,255,0.08); display: flex; align-items: center; justify-content: center; color: #888; transition: all 0.3s; }
.footer-brand .footer-social a:hover { background: #FF9900; color: #fff; }
.footer-links h4 { color: #fff; font-size: 15px; margin-bottom: 16px; }
.footer-links a { display: block; font-size: 14px; color: #888; margin-bottom: 10px; transition: color 0.3s; }
.footer-links a:hover { color: #FF9900; }
.footer-bottom { text-align: center; padding: 24px 0; font-size: 13px; color: #555; }
.footer-bottom a { color: #888; }
.footer-bottom a:hover { color: #FF9900; }

/* ===== PROCESS / TIMELINE ===== */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; counter-reset: process; }
.process-card { background: #fff; padding: 36px 28px; border-radius: 12px; border: 1px solid #eee; position: relative; transition: all 0.3s; }
.process-card:hover { border-color: #FF9900; transform: translateY(-4px); box-shadow: 0 8px 30px rgba(255,153,0,0.1); }
.process-card::before { counter-increment: process; content: counter(process, decimal-leading-zero); font-size: 48px; font-weight: 700; color: rgba(255,153,0,0.15); position: absolute; top: 16px; right: 20px; }
.process-card h3 { font-size: 18px; color: #1a1a2e; margin-bottom: 10px; }
.process-card p { font-size: 14px; color: #666; line-height: 1.7; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .grid-4, .waste-grid, .process-grid, .team-grid { grid-template-columns: repeat(2, 1fr); }
    .steps { flex-wrap: wrap; }
    .step-arrow { display: none; }
    .provider-intro { flex-direction: column; }
    .provider-intro-visual { flex: none; }
}

@media (max-width: 768px) {
    .nav-links { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(15,12,41,0.98); flex-direction: column; padding: 80px 30px 30px; gap: 0; z-index: 999; overflow-y: auto; }
    .nav-links.active { display: flex; }
    .nav-links > li > a { color: #fff; padding: 14px 0; font-size: 17px; border-bottom: 1px solid rgba(255,255,255,0.08); }
    .dropdown-menu { position: static; background: transparent; box-shadow: none; opacity: 1; visibility: visible; transform: none; padding: 0 0 0 20px; }
    .dropdown-menu a { color: rgba(255,255,255,0.7); padding: 10px 0; }
    .dropdown-menu a:hover { background: transparent; color: #FF9900; padding-left: 0; }
    .hamburger { display: block; z-index: 1001; }
    .close-menu { display: none; position: fixed; top: 24px; right: 24px; color: #fff; font-size: 28px; cursor: pointer; z-index: 1002; }
    .nav-links.active ~ .hamburger { display: none; }
    .nav-links.active + .close-menu { display: block; }

    .hero h1 { font-size: 32px; }
    .hero-sub { font-size: 16px; }
    .hero-stats { flex-wrap: wrap; gap: 30px; }
    .hero-buttons { flex-direction: column; align-items: center; }
    .page-hero h1 { font-size: 30px; }
    .section { padding: 60px 0; }
    .section-title { font-size: 28px; }

    .grid-2, .grid-3, .grid-4, .waste-grid, .services-detail, .process-grid, .team-grid { grid-template-columns: 1fr; }
    .about-content { flex-direction: column; }
    .about-img { flex: none; }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-content { grid-template-columns: 1fr 1fr; gap: 30px; }
    .cta-buttons { flex-direction: column; align-items: center; }
    .provider-visual-box { width: 260px; height: 260px; }
}

@media (max-width: 480px) {
    .footer-content { grid-template-columns: 1fr; }
    .hero-stats { gap: 20px; }
    .stat-num { font-size: 28px; }
}