/* ====== RESET & BASE ====== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --blue: #165DFF;
  --blue-deep: #003A78;
  --gold: #F0B95E;
  --gold-dark: #d49a3a;
  --dark: #0A0F1C;
  --text: #1A202C;
  --text-light: #4E5969;
  --gray-50: #F5F7FA;
  --gray-100: #EDF2F7;
  --gray-200: #E2E8F0;
  --white: #FFFFFF;
  --transition: all 0.3s ease;
  --radius: 12px;
  --radius-lg: 20px;
}
html { scroll-behavior: smooth; }
body { font-family: "Microsoft YaHei", "PingFang SC", -apple-system, sans-serif; color: var(--text); background: var(--white); line-height: 1.7; overflow-x: hidden; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 1.5rem; }

/* ====== UTILITIES ====== */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ====== NAVBAR ====== */
.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(10,15,28,0.95); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(255,255,255,0.06); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo-img { height: 42px; width: auto; border-radius: 6px; }
.nav-logo-icon { width: 40px; height: 40px; background: linear-gradient(135deg, var(--blue), var(--blue-deep)); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-weight: 900; font-size: 1.1rem; color: var(--white); }
.nav-logo-text { font-size: 1.1rem; font-weight: 700; color: var(--white); }
.nav-logo-sub { font-size: 0.65rem; color: var(--gold); letter-spacing: 1px; }
.nav-links { display: flex; align-items: center; gap: 2px; }
.nav-links a { color: rgba(255,255,255,0.7); font-size: 0.88rem; padding: 8px 14px; border-radius: 6px; transition: var(--transition); }
.nav-links a:hover { color: var(--white); background: rgba(255,255,255,0.08); }
.nav-cta { background: linear-gradient(135deg, var(--gold), var(--gold-dark)) !important; color: var(--dark) !important; font-weight: 600; padding: 9px 20px !important; border-radius: 6px !important; }
.nav-lang { background: rgba(255,255,255,0.08) !important; color: var(--white) !important; font-weight: 700; font-size: 0.8rem !important; padding: 8px 14px !important; border-radius: 6px !important; letter-spacing: 1px; }
.nav-lang:hover { background: var(--blue) !important; }
.mobile-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.mobile-toggle span { display: block; width: 22px; height: 2px; background: var(--white); margin: 5px 0; border-radius: 2px; }

/* ====== HERO ====== */
.hero { min-height: 100vh; background: var(--dark); display: flex; align-items: center; position: relative; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background: radial-gradient(ellipse 80% 60% at 60% 40%, rgba(22,93,255,0.2) 0%, transparent 70%), radial-gradient(ellipse 50% 50% at 80% 80%, rgba(240,185,94,0.1) 0%, transparent 60%), linear-gradient(180deg, #0A0F1C 0%, #0D1526 100%); }
.hero-grid { position: absolute; inset: 0; opacity: 0.03; background-image: linear-gradient(rgba(255,255,255,0.5) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.5) 1px, transparent 1px); background-size: 60px 60px; }
.hero-particles { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.hero-content { position: relative; z-index: 2; max-width: 700px; padding: 110px 0 60px; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(22,93,255,0.12); border: 1px solid rgba(22,93,255,0.25); color: var(--blue); font-size: 0.78rem; padding: 6px 16px; border-radius: 50px; margin-bottom: 1.5rem; font-weight: 500; }
.hero-badge-dot { width: 6px; height: 6px; background: var(--gold); border-radius: 50%; animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }
.hero h1 { font-size: clamp(2.2rem, 5vw, 4rem); font-weight: 800; color: var(--white); line-height: 1.2; margin-bottom: 1.2rem; }
.hero h1 .highlight { background: linear-gradient(135deg, var(--gold), var(--gold-dark)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero-desc { font-size: 1.05rem; color: rgba(255,255,255,0.6); line-height: 1.8; margin-bottom: 2rem; }
.hero-stats { display: flex; flex-wrap: wrap; gap: 2rem; margin-bottom: 2rem; }
.hero-stat-num { font-size: 2.2rem; font-weight: 800; color: var(--gold); line-height: 1; }
.hero-stat-label { font-size: 0.78rem; color: rgba(255,255,255,0.5); margin-top: 4px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; }
.btn-primary { display: inline-flex; align-items: center; gap: 6px; background: linear-gradient(135deg, var(--blue), var(--blue-deep)); color: var(--white); font-weight: 600; font-size: 0.95rem; padding: 13px 28px; border-radius: 8px; border: none; cursor: pointer; transition: var(--transition); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(22,93,255,0.35); }
.btn-secondary { display: inline-flex; align-items: center; background: transparent; color: var(--white); font-weight: 500; font-size: 0.95rem; padding: 13px 28px; border-radius: 8px; border: 1px solid rgba(255,255,255,0.2); cursor: pointer; transition: var(--transition); }
.btn-secondary:hover { background: rgba(255,255,255,0.08); }
.hero-visual { position: absolute; right: 0; top: 50%; transform: translateY(-50%); width: 50%; z-index: 1; opacity: 0.8; display: flex; align-items: center; justify-content: center; }
.module-silhouette { width: 90%; max-width: 500px; aspect-ratio: 2/1.5; background: linear-gradient(135deg, #1a3a6b, #0d2240); border-radius: 16px; border: 2px solid rgba(22,93,255,0.3); position: relative; overflow: hidden; display: flex; align-items: center; justify-content: center; }
.module-grid-overlay { position: absolute; inset: 0; display: grid; grid-template-columns: repeat(12, 1fr); grid-template-rows: repeat(8, 1fr); gap: 2px; padding: 8px; opacity: 0.5; }
.grid-cell { background: rgba(22,93,255,0.2); border-radius: 1px; }
.solar-glow { position: absolute; top: -20%; right: -10%; width: 60%; height: 60%; background: radial-gradient(circle, rgba(240,185,94,0.25) 0%, transparent 70%); }
.hero-visual-text { position: relative; z-index: 2; text-align: center; color: rgba(255,255,255,0.9); }

/* ====== SECTION ====== */
.section { padding: 90px 0; }
.section-dark { background: var(--dark); color: var(--white); }
.section-light { background: var(--gray-50); }
.section-header { text-align: center; max-width: 700px; margin: 0 auto 3.5rem; }
.section-tag { display: inline-block; font-size: 0.72rem; font-weight: 600; color: var(--gold); letter-spacing: 2px; text-transform: uppercase; margin-bottom: 0.6rem; }
.section-title { font-size: clamp(1.6rem, 2.8vw, 2.4rem); font-weight: 800; line-height: 1.3; margin-bottom: 0.8rem; }
.section-desc { font-size: 1rem; color: var(--text-light); line-height: 1.8; }
.section-dark .section-desc { color: rgba(255,255,255,0.55); }

/* ====== ABOUT ====== */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.about-image-box { width: 100%; aspect-ratio: 4/3; background: linear-gradient(135deg, var(--blue), var(--blue-deep)); border-radius: var(--radius-lg); position: relative; overflow: hidden; display: flex; align-items: center; justify-content: center; }
.about-inner-text { position: relative; z-index: 1; text-align: center; padding: 2rem; }
.about-inner-text h3 { font-size: 1.5rem; font-weight: 700; color: var(--white); margin: 1rem 0 0.3rem; }
.about-inner-text p { color: rgba(255,255,255,0.7); font-size: 0.9rem; }
.about-float-card { position: absolute; bottom: -15px; right: -15px; background: var(--white); border-radius: var(--radius); padding: 18px 22px; box-shadow: 0 20px 50px rgba(0,0,0,0.15); min-width: 180px; }
.afc-num { font-size: 2rem; font-weight: 800; color: var(--blue); line-height: 1; }
.afc-label { font-size: 0.75rem; color: var(--text-light); line-height: 1.4; margin-top: 4px; }
.about-text h2 { font-size: clamp(1.4rem, 2.2vw, 1.9rem); font-weight: 800; margin-bottom: 1rem; }
.about-text p { color: var(--text-light); margin-bottom: 1.2rem; line-height: 1.85; font-size: 0.95rem; }
.about-features { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 1.5rem; }
.about-feature { display: flex; gap: 12px; }
.about-feature-icon { width: 40px; height: 40px; min-width: 40px; background: rgba(22,93,255,0.08); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; }
.about-feature h4 { font-size: 0.88rem; font-weight: 700; margin-bottom: 2px; }
.about-feature p { font-size: 0.8rem; color: var(--text-light); margin: 0; }

/* Timeline */
.timeline { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; }
.timeline-item { position: relative; background: var(--white); border-radius: var(--radius); padding: 1.2rem 1.5rem; width: calc(33.333% - 1rem); min-width: 220px; box-shadow: 0 2px 12px rgba(0,0,0,0.06); border: 1px solid var(--gray-100); }
.timeline-dot { position: absolute; top: 1.2rem; left: -6px; width: 12px; height: 12px; background: var(--blue); border-radius: 50%; border: 2px solid var(--white); }
.timeline-dot.gold { background: var(--gold); }
.timeline-date { font-size: 0.78rem; font-weight: 700; color: var(--blue); margin-bottom: 0.3rem; }
.timeline-content { font-size: 0.82rem; color: var(--text-light); line-height: 1.5; }

/* ====== PRODUCTS ====== */
.product-tabs { display: flex; justify-content: center; gap: 0.5rem; margin-bottom: 2.5rem; flex-wrap: wrap; }
.tab-btn { background: var(--white); border: 1.5px solid var(--gray-200); color: var(--text-light); font-size: 0.88rem; font-weight: 600; padding: 10px 22px; border-radius: 8px; cursor: pointer; transition: var(--transition); font-family: inherit; }
.tab-btn:hover { border-color: var(--blue); color: var(--blue); }
.tab-btn.active { background: var(--blue); border-color: var(--blue); color: var(--white); }
.tab-content { display: none; }
.tab-content.active { display: block; }
.products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.5rem; }
.product-card { background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: 0 2px 12px rgba(0,0,0,0.06); border: 1px solid var(--gray-100); transition: var(--transition); }
.product-card:hover { transform: translateY(-4px); box-shadow: 0 12px 35px rgba(0,0,0,0.12); }
.product-image { height: 180px; position: relative; overflow: hidden; display: flex; align-items: center; justify-content: center; }
.product-image-grid { position: absolute; inset: 0; display: grid; grid-template-columns: repeat(8, 1fr); grid-template-rows: repeat(6, 1fr); gap: 3px; padding: 8px; opacity: 0.4; }
.product-badge { position: absolute; top: 12px; left: 12px; background: linear-gradient(135deg, var(--blue), var(--blue-deep)); color: var(--white); font-size: 0.68rem; font-weight: 700; padding: 4px 10px; border-radius: 50px; }
.product-icon-big { font-size: 3.5rem; position: relative; z-index: 1; }
.product-body { padding: 1.3rem; }
.product-name { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.3rem; }
.product-tagline { font-size: 0.78rem; color: var(--blue); font-weight: 500; margin-bottom: 0.8rem; }
.product-specs { display: grid; grid-template-columns: 1fr 1fr; gap: 0.4rem; margin-bottom: 1rem; }
.product-spec { display: flex; align-items: center; gap: 5px; font-size: 0.78rem; color: var(--text-light); }
.spec-dot { width: 5px; height: 5px; min-width: 5px; background: var(--blue); border-radius: 50%; }
.btn-product { display: inline-flex; align-items: center; gap: 4px; color: var(--blue); font-weight: 600; font-size: 0.82rem; border: 1.5px solid var(--blue); padding: 8px 16px; border-radius: 6px; transition: var(--transition); }
.btn-product:hover { background: var(--blue); color: var(--white); }

/* Tables */
.table-wrapper { background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: 0 2px 12px rgba(0,0,0,0.06); border: 1px solid var(--gray-100); }
.table-header { padding: 1.5rem; background: rgba(22,93,255,0.05); border-bottom: 1px solid var(--gray-100); }
.table-tag { display: inline-block; font-size: 0.72rem; font-weight: 600; color: var(--gold); letter-spacing: 1px; margin-bottom: 0.4rem; }
.table-header p { font-size: 0.9rem; color: var(--text-light); margin: 0; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--gray-100); font-size: 0.85rem; }
.data-table th { background: var(--gray-50); font-weight: 600; }
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: rgba(22,93,255,0.03); }

/* Storage */
.storage-card { background: var(--white); border-radius: var(--radius); padding: 2rem; box-shadow: 0 2px 12px rgba(0,0,0,0.06); border: 1px solid var(--gray-100); }
.storage-header { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.storage-icon { font-size: 2.5rem; }
.storage-header h3 { font-size: 1.3rem; font-weight: 700; margin: 0; }
.storage-header p { font-size: 0.85rem; color: var(--text-light); margin: 0; }
.storage-badge { background: linear-gradient(135deg, var(--gold), var(--gold-dark)); color: var(--dark); font-size: 0.72rem; font-weight: 700; padding: 4px 12px; border-radius: 50px; margin-left: auto; }
.storage-advantages { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: 1.5rem; }
.storage-advantages span { background: rgba(22,93,255,0.08); color: var(--blue); font-size: 0.8rem; padding: 6px 12px; border-radius: 50px; }
.storage-specs { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 1rem; }
.storage-spec-item { text-align: center; padding: 1rem; background: var(--gray-50); border-radius: 10px; }
.ssn { font-size: 1.4rem; font-weight: 800; color: var(--blue); }
.ssl { font-size: 0.75rem; color: var(--text-light); margin-top: 4px; }

/* ====== STRENGTH ====== */
.strength-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.strength-card { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius); padding: 2rem; text-align: center; transition: var(--transition); }
.strength-card:hover { background: rgba(255,255,255,0.08); transform: translateY(-4px); }
.strength-num { font-size: 2.2rem; font-weight: 800; color: var(--gold); line-height: 1; margin-bottom: 0.8rem; }
.strength-icon { font-size: 2rem; margin-bottom: 0.8rem; }
.strength-card h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.5rem; color: var(--white); }
.strength-card p { font-size: 0.85rem; color: rgba(255,255,255,0.5); line-height: 1.6; margin: 0; }

/* Digital */
.digital-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.digital-card { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius); padding: 1.5rem; text-align: center; }
.dc-icon { font-size: 2rem; margin-bottom: 0.8rem; }
.digital-card h4 { font-size: 1rem; font-weight: 700; color: var(--white); margin-bottom: 0.4rem; }
.digital-card p { font-size: 0.82rem; color: rgba(255,255,255,0.5); margin-bottom: 0.6rem; }
.dc-tag { display: inline-block; background: rgba(22,93,255,0.2); color: var(--blue); font-size: 0.72rem; padding: 4px 10px; border-radius: 50px; }

/* ====== CASES ====== */
.cases-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.case-card { background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: 0 2px 12px rgba(0,0,0,0.06); border: 1px solid var(--gray-100); transition: var(--transition); }
.case-card:hover { transform: translateY(-4px); box-shadow: 0 12px 35px rgba(0,0,0,0.12); }
.case-card.case-featured { grid-column: span 2; }
.case-image { position: relative; height: 200px; overflow: hidden; }
.case-featured .case-image { height: 280px; }
.case-bg { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; }
.case-overlay { position: absolute; bottom: 0; left: 0; right: 0; padding: 1rem; background: linear-gradient(transparent, rgba(0,0,0,0.8)); }
.case-scale { font-size: 1.8rem; font-weight: 800; color: var(--gold); }
.case-location { font-size: 0.85rem; color: rgba(255,255,255,0.8); }
.case-body { padding: 1.3rem; }
.case-body h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.5rem; }
.case-body p { font-size: 0.85rem; color: var(--text-light); margin-bottom: 0.8rem; line-height: 1.6; }
.case-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.case-tags span { background: rgba(22,93,255,0.08); color: var(--blue); font-size: 0.75rem; padding: 4px 10px; border-radius: 50px; }

/* ====== CERTS ====== */
.certs-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.cert-card { background: var(--white); border-radius: var(--radius); padding: 2rem; text-align: center; box-shadow: 0 2px 12px rgba(0,0,0,0.06); border: 1px solid var(--gray-100); transition: var(--transition); }
.cert-card:hover { transform: translateY(-4px); box-shadow: 0 12px 35px rgba(0,0,0,0.1); }
.cert-icon { font-size: 2.5rem; margin-bottom: 0.8rem; }
.cert-card h4 { font-size: 1rem; font-weight: 700; margin-bottom: 0.4rem; }
.cert-card p { font-size: 0.82rem; color: var(--text-light); line-height: 1.5; }

/* Quality */
.quality-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.quality-item { background: var(--white); border-radius: var(--radius); padding: 1.5rem; box-shadow: 0 2px 12px rgba(0,0,0,0.06); border: 1px solid var(--gray-100); }
.qi-icon { font-size: 2rem; margin-bottom: 0.8rem; }
.quality-item h4 { font-size: 1rem; font-weight: 700; margin-bottom: 0.4rem; }
.quality-item p { font-size: 0.85rem; color: var(--text-light); line-height: 1.6; margin: 0; }

/* ====== BUSINESS ====== */
.business-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.business-card { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius); padding: 2rem; transition: var(--transition); }
.business-card:hover { background: rgba(255,255,255,0.08); }
.bc-icon { font-size: 2.5rem; margin-bottom: 1rem; }
.business-card h3 { font-size: 1.15rem; font-weight: 700; color: var(--white); margin-bottom: 0.8rem; }
.business-card p { font-size: 0.88rem; color: rgba(255,255,255,0.55); line-height: 1.7; margin-bottom: 1rem; }
.bc-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.bc-tags span { background: rgba(22,93,255,0.2); color: var(--blue); font-size: 0.75rem; padding: 4px 10px; border-radius: 50px; }

/* Offices */
.offices-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.office-card { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: 10px; padding: 1rem; transition: var(--transition); }
.office-card:hover { background: rgba(255,255,255,0.08); }
.office-card.featured { border-color: rgba(240,185,94,0.3); }
.oc-dot { width: 8px; height: 8px; background: var(--blue); border-radius: 50%; margin-bottom: 0.6rem; }
.oc-dot.gold { background: var(--gold); }
.office-card h4 { font-size: 0.95rem; font-weight: 700; color: var(--white); margin-bottom: 0.3rem; }
.office-card p { font-size: 0.78rem; color: rgba(255,255,255,0.5); line-height: 1.4; margin: 0; }

/* ====== CONTACT ====== */
.contact-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }
.contact-info h2 { font-size: 1.8rem; font-weight: 800; margin-bottom: 0.8rem; }
.contact-info > p { color: var(--text-light); margin-bottom: 2rem; line-height: 1.8; }
.contact-items { display: flex; flex-direction: column; gap: 1rem; }
.contact-item { display: flex; gap: 14px; }
.contact-item-icon { width: 44px; height: 44px; min-width: 44px; background: rgba(22,93,255,0.08); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; }
.contact-item h4 { font-size: 0.85rem; font-weight: 700; margin-bottom: 2px; }
.contact-item p { font-size: 0.82rem; color: var(--text-light); margin: 0; }
.cert-tag { display: inline-block; background: rgba(22,93,255,0.08); color: var(--blue); font-size: 0.78rem; padding: 5px 12px; border-radius: 50px; font-weight: 500; }
.contact-form { background: var(--white); border-radius: var(--radius-lg); padding: 2rem; box-shadow: 0 8px 35px rgba(0,0,0,0.08); border: 1px solid var(--gray-100); }
.contact-form h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 1.3rem; }
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-size: 0.8rem; font-weight: 600; margin-bottom: 5px; }
.form-group input, .form-group textarea, .form-group select { width: 100%; padding: 10px 14px; border: 1.5px solid var(--gray-200); border-radius: 8px; font-size: 0.9rem; font-family: inherit; transition: var(--transition); background: var(--gray-50); }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { outline: none; border-color: var(--blue); background: var(--white); box-shadow: 0 0 0 3px rgba(22,93,255,0.1); }
.form-group textarea { resize: vertical; min-height: 90px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.btn-submit { width: 100%; padding: 13px; background: linear-gradient(135deg, var(--blue), var(--blue-deep)); color: var(--white); font-size: 0.95rem; font-weight: 600; border: none; border-radius: 8px; cursor: pointer; transition: var(--transition); font-family: inherit; }
.btn-submit:hover { transform: translateY(-1px); box-shadow: 0 8px 25px rgba(22,93,255,0.35); }

/* ====== FOOTER ====== */
.footer { background: var(--dark); color: rgba(255,255,255,0.6); padding: 50px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2.5rem; margin-bottom: 2.5rem; }
.footer-brand .nav-logo-text { color: var(--white); }
.footer-brand p { font-size: 0.85rem; line-height: 1.7; margin: 1rem 0; }
.footer-social { display: flex; gap: 8px; }
.footer-social a { width: 36px; height: 36px; background: rgba(255,255,255,0.06); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 1rem; transition: var(--transition); }
.footer-social a:hover { background: var(--gold); }
.footer h4 { color: var(--white); font-size: 0.88rem; font-weight: 700; margin-bottom: 1rem; }
.footer-links a { display: block; font-size: 0.82rem; padding: 4px 0; transition: var(--transition); }
.footer-links a:hover { color: var(--white); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 1.2rem 0; display: flex; justify-content: space-between; font-size: 0.8rem; flex-wrap: wrap; gap: 0.5rem; }

/* ====== FLOAT BAR ====== */
.float-bar { position: fixed; right: 20px; bottom: 80px; display: flex; flex-direction: column; gap: 10px; z-index: 100; }
.float-btn { width: 44px; height: 44px; background: var(--white); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; box-shadow: 0 4px 20px rgba(0,0,0,0.15); transition: var(--transition); text-decoration: none; }
.float-btn:hover { transform: scale(1.1); background: var(--gold); }

/* ====== RESPONSIVE ====== */
@media (max-width: 1024px) {
  .about-grid, .contact-wrapper { grid-template-columns: 1fr; gap: 2rem; }
  .strength-grid, .certs-grid, .business-grid { grid-template-columns: repeat(2, 1fr); }
  .digital-grid, .offices-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-visual { display: none; }
  .timeline-item { width: calc(50% - 1rem); }
}
@media (max-width: 768px) {
  .nav-links { display: none; position: absolute; top: 72px; left: 0; right: 0; background: rgba(10,15,28,0.98); flex-direction: column; padding: 1rem; }
  .nav-links.show { display: flex; }
  .mobile-toggle { display: block; }
  .hero h1 { font-size: 2rem; }
  .hero-stats { gap: 1.5rem; }
  .strength-grid, .certs-grid, .business-grid, .quality-grid { grid-template-columns: 1fr; }
  .digital-grid, .offices-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
  .about-float-card { position