/* =============================================
   COLOR VARIABLES (CSS Custom Properties)
   ============================================= */
:root {
    --yellow-50: #FFFDE7; --yellow-100: #FFF9C4; --yellow-200: #FFF59D; --yellow-300: #FFF176;
    --yellow-400: #FFEE58; --yellow-500: #FFC107; --yellow-600: #FFB300; --yellow-700: #FFA000;
    --yellow-800: #FF8F00; --yellow-900: #FF6F00;
    --black: #000000; --black-900: #0a0a0a; --black-800: #111111; --black-700: #1a1a1a;
    --black-600: #2d2d2d; --black-500: #404040;
    --violet: #7C3AED; --violet-light: #A78BFA; --violet-glow: rgba(124, 58, 237, 0.15);
    --whatsapp: #25D366; --white: #ffffff;
    --nav-bg: rgba(0, 0, 0, 0.75); --nav-bg-scrolled: rgba(0, 0, 0, 0.92); --nav-border: rgba(255, 193, 7, 0.2);
}

/* =============================================
   GLOBAL RESET & BASE STYLES
   ============================================= */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', sans-serif;
    color: var(--black);
    line-height: 1.6;
    overflow-x: hidden;
    perspective: 1200px;
    background: var(--black-900) url('https://z-cdn-media.chatglm.cn/files/1990eeee-70c8-49aa-b35c-c9148312fae1.png?auth_key=1879175866-3fd7f22f26ae4600bbdcce9b1a3e0d9d-0-15d172073a433c5516a707e9aefb45e6') no-repeat center center fixed;
    background-size: cover;
}

/* =============================================
   NAVIGATION BAR (Shared)
   ============================================= */
.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; padding: 0 5%; height: 78px; display: flex; justify-content: space-between; align-items: center; transition: all 0.45s cubic-bezier(0.4, 0, 0.2, 1); backdrop-filter: blur(24px) saturate(180%); -webkit-backdrop-filter: blur(24px) saturate(180%); background: var(--nav-bg); border-bottom: 1.5px solid var(--nav-border); box-shadow: 0 4px 24px rgba(0,0,0,0.30); transform-style: preserve-3d; perspective: 900px; }
.navbar.scrolled { height: 64px; background: var(--nav-bg-scrolled); box-shadow: 0 6px 32px rgba(0,0,0,0.5); border-bottom-color: rgba(255,193,7,0.3); }

.brand-area { display: flex; align-items: center; gap: 14px; text-decoration: none; position: relative; z-index: 10; transform-style: preserve-3d; }
.brand-logo { height: 48px; width: 48px; object-fit: contain; border-radius: 12px; padding: 5px; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,193,7,0.2); filter: drop-shadow(0 3px 8px rgba(0,0,0,0.5)); transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1.275); flex-shrink: 0; }
.brand-area:hover .brand-logo { transform: scale(1.08) rotateY(12deg) translateZ(18px); }
.brand-text-wrapper { display: flex; flex-direction: column; gap: 0; transform-style: preserve-3d; animation: brandFloat 4s ease-in-out infinite; }
@keyframes brandFloat { 0%, 100% { transform: translateY(0) translateZ(0); } 50% { transform: translateY(-3px) translateZ(8px); } }
@media (prefers-reduced-motion: reduce) { .brand-text-wrapper { animation: none; } }
.brand-name { font-family: 'Poppins', sans-serif; font-size: 1.15rem; font-weight: 800; color: var(--white); letter-spacing: -0.3px; white-space: nowrap; line-height: 1.2; text-shadow: 0 2px 4px rgba(0,0,0,0.8); transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1.275); transform: translateZ(6px); position: relative; }
.brand-tagline { font-family: 'Inter', sans-serif; font-size: 0.62rem; font-weight: 600; color: var(--yellow-400); letter-spacing: 1.8px; text-transform: uppercase; line-height: 1; transform: translateZ(3px); transition: all 0.3s ease; }
.brand-area:hover .brand-name { color: var(--yellow-400); text-shadow: 0 4px 16px rgba(255,193,7,0.3); transform: translateZ(20px) scale(1.03); letter-spacing: 0.2px; }
.brand-area:hover .brand-tagline { color: var(--white); transform: translateZ(10px); }
.brand-area:hover .brand-text-wrapper { animation-play-state: paused; }
.brand-name::after { content: ''; position: absolute; bottom: -3px; left: 0; width: 0; height: 2.5px; background: var(--yellow-500); border-radius: 2px; box-shadow: 0 2px 8px rgba(255,193,7,0.5); transition: width 0.4s cubic-bezier(0.68, -0.3, 0.265, 1.2); transform: translateZ(5px); }
.brand-area:hover .brand-name::after { width: 100%; }

.nav-menu { display: flex; align-items: center; gap: 6px; list-style: none; }
.nav-link { display: inline-flex; align-items: center; gap: 6px; text-decoration: none; font-family: 'Inter', sans-serif; font-weight: 700; font-size: 0.88rem; color: rgba(255,255,255,0.85); letter-spacing: 0.4px; text-transform: uppercase; padding: 10px 18px; border-radius: 12px; position: relative; overflow: hidden; transform-style: preserve-3d; transform: translateZ(0) translateY(0) scale(1); transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1), color 0.3s ease, box-shadow 0.4s ease, background 0.3s ease; }
.nav-link .nav-icon { font-size: 0.8rem; opacity: 0; transform: translateX(-8px) translateZ(10px); transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1); }
.nav-link::after { content: ''; position: absolute; bottom: 6px; left: 18px; width: 0; height: 2.5px; background: var(--yellow-400); border-radius: 2px; transition: width 0.4s cubic-bezier(0.25, 0.8, 0.25, 1); z-index: 1; }
.nav-link::before { content: ''; position: absolute; inset: 0; border-radius: 12px; background: rgba(255,255,255,0.05); opacity: 0; transform: scale(0.9); transition: all 0.35s ease; }
.nav-link.active { color: var(--yellow-400); background: rgba(255,193,7,0.1); }
.nav-link.active::after { width: calc(100% - 36px); }
.nav-link.active .nav-icon { opacity: 1; transform: translateX(0) translateZ(10px); }
.nav-link:hover { color: var(--yellow-400); transform: translateY(-5px) scale(1.05) translateZ(20px); box-shadow: 0 8px 24px rgba(0,0,0,0.3); }
.nav-link:hover::after { width: calc(100% - 36px); }
.nav-link:hover::before { opacity: 1; transform: scale(1); }
.nav-link:hover .nav-icon { opacity: 1; transform: translateX(0) translateZ(10px); }

.nav-cta-btn { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; font-family: 'Inter', sans-serif; font-weight: 800; font-size: 0.85rem; color: var(--black); background: var(--yellow-500); padding: 10px 24px; border-radius: 50px; letter-spacing: 0.5px; text-transform: uppercase; box-shadow: 0 4px 16px rgba(255,193,7,0.4); transform-style: preserve-3d; transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1.275); position: relative; overflow: hidden; margin-left: 8px; }
.nav-cta-btn::before { content: ''; position: absolute; top: 50%; left: 50%; width: 0; height: 0; border-radius: 50%; background: rgba(255,255,255,0.2); transition: all 0.5s ease; transform: translate(-50%, -50%); }
.nav-cta-btn:hover::before { width: 300px; height: 300px; }
.nav-cta-btn:hover { transform: translateY(-4px) scale(1.06) translateZ(30px); box-shadow: 0 10px 32px rgba(255,193,7,0.6); background: var(--yellow-400); }
.nav-cta-btn .cta-icon { transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1); }
.nav-cta-btn:hover .cta-icon { transform: rotate(90deg) scale(1.2); }

.mobile-toggle { display: none; flex-direction: column; justify-content: center; align-items: center; gap: 5px; cursor: pointer; padding: 10px; background: transparent; border: 2px solid rgba(255,255,255,0.1); border-radius: 10px; z-index: 1001; width: 44px; height: 44px; }
.mobile-toggle span { display: block; width: 22px; height: 2.5px; background: var(--yellow-400); border-radius: 3px; transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1); }
.mobile-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.mobile-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5.5px, -5.5px); }

.mobile-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.95); backdrop-filter: blur(30px); z-index: 999; flex-direction: column; justify-content: center; align-items: center; padding: 100px 8% 60px; opacity: 0; transform: translateY(-20px); transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1); }
.mobile-overlay.active { display: flex; opacity: 1; transform: translateY(0); }
.mobile-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 40px; text-decoration: none; }
.mobile-brand img { height: 50px; border-radius: 14px; padding: 5px; background: rgba(255,255,255,0.05); }
.mobile-brand-text { font-family: 'Poppins', sans-serif; font-size: 1.2rem; font-weight: 800; color: var(--yellow-400); }
.mobile-nav-link { display: flex; align-items: center; gap: 14px; text-decoration: none; font-family: 'Poppins', sans-serif; font-weight: 700; font-size: 1.5rem; color: rgba(255,255,255,0.6); padding: 16px 24px; border-radius: 16px; width: 100%; max-width: 400px; transition: all 0.35s cubic-bezier(0.23, 1, 0.32, 1); transform: translateX(-30px); opacity: 0; }
.mobile-overlay.active .mobile-nav-link { transform: translateX(0); opacity: 1; }
.mobile-overlay.active .mobile-nav-link:nth-child(2) { transition-delay: 0.08s; }
.mobile-overlay.active .mobile-nav-link:nth-child(3) { transition-delay: 0.14s; }
.mobile-overlay.active .mobile-nav-link:nth-child(4) { transition-delay: 0.20s; }
.mobile-overlay.active .mobile-nav-link:nth-child(5) { transition-delay: 0.26s; }
.mobile-overlay.active .mobile-nav-link:nth-child(6) { transition-delay: 0.32s; }
.mobile-nav-link:hover, .mobile-nav-link.active { color: var(--yellow-400); background: rgba(255,193,7,0.1); transform: translateX(10px) scale(1.02); }
.mobile-link-icon { width: 40px; height: 40px; border-radius: 12px; background: rgba(255,255,255,0.05); display: flex; align-items: center; justify-content: center; font-size: 1rem; transition: all 0.35s ease; }
.mobile-nav-link:hover .mobile-link-icon, .mobile-nav-link.active .mobile-link-icon { background: var(--yellow-500); color: var(--black); }
.mobile-cta-btn { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-family: 'Poppins', sans-serif; font-weight: 800; font-size: 1.1rem; color: var(--black); background: var(--yellow-500); padding: 16px 36px; border-radius: 50px; margin-top: 30px; box-shadow: 0 8px 30px rgba(255,193,7,0.4); transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1); transform: translateY(20px); opacity: 0; }
.mobile-overlay.active .mobile-cta-btn { transform: translateY(0); opacity: 1; transition-delay: 0.38s; }

/* =============================================
   GLOBAL SECTION STYLES (Index)
   ============================================= */
.section { padding: 100px 5%; position: relative; overflow: hidden; backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-top: 1px solid rgba(255,255,255,0.1); border-bottom: 1px solid rgba(0,0,0,0.2); }
.section-yellow-light { background: rgba(255, 249, 196, 0.85); }
.section-yellow { background: rgba(255, 193, 7, 0.82); }
.section-black { background: rgba(10, 10, 10, 0.88); }

.section-header { text-align: center; max-width: 800px; margin: 0 auto 4rem; position: relative; z-index: 1; }
.section-header h2 { font-family: 'Poppins', sans-serif; font-size: clamp(2rem, 4.5vw, 3.2rem); font-weight: 900; margin-bottom: 1rem; line-height: 1.15; text-transform: uppercase; letter-spacing: 1px; }
.section-yellow-light .section-header h2, .section-yellow .section-header h2 { color: var(--black); text-shadow: 0 2px 4px rgba(255,255,255,0.5); }
.section-black .section-header h2 { color: var(--white); text-shadow: 0 2px 10px rgba(0,0,0,0.8); }
.section-header h2 span { position: relative; display: inline-block; }
.section-yellow-light .section-header h2 span::after, .section-yellow .section-header h2 span::after { content: ''; position: absolute; bottom: 2px; left: 0; width: 100%; height: 8px; background: rgba(124,58,237,0.2); border-radius: 4px; z-index: -1; }
.section-black .section-header h2 span { color: var(--yellow-400); }
.section-black .section-header h2 span::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 100%; height: 3px; background: var(--yellow-500); border-radius: 2px; box-shadow: 0 0 15px var(--yellow-500); }
.section-header p { font-size: 1.1rem; line-height: 1.8; }
.section-yellow-light .section-header p, .section-yellow .section-header p { color: rgba(0,0,0,0.7); }
.section-black .section-header p { color: rgba(255,255,255,0.7); }

/* =============================================
   GLOBAL BUTTONS (Shared)
   ============================================= */
.btn { padding: 1.1rem 2.8rem; border-radius: 50px; font-weight: 800; font-size: 1rem; text-decoration: none; display: inline-flex; align-items: center; justify-content: center; gap: 0.7rem; transition: all 0.4s cubic-bezier(0.175,0.885,0.32,1.275); cursor: pointer; border: none; font-family: inherit; letter-spacing: 0.5px; text-transform: uppercase; position: relative; overflow: hidden; }
.btn-black { background: var(--black); color: var(--yellow-400); box-shadow: 0 8px 30px rgba(0,0,0,0.35); border: 2px solid rgba(255,193,7,0.3); }
.btn-black:hover { background: var(--yellow-500); color: var(--black); border-color: var(--yellow-500); transform: translateY(-5px) scale(1.04); box-shadow: 0 15px 45px rgba(0,0,0,0.25); }
.btn-yellow { background: linear-gradient(135deg, var(--yellow-500), var(--yellow-600)); color: var(--black); box-shadow: 0 8px 30px rgba(255,193,7,0.5); }
.btn-yellow:hover { background: var(--black); color: var(--yellow-400); transform: translateY(-5px) scale(1.04); box-shadow: 0 15px 45px rgba(0,0,0,0.4); }
.btn-whatsapp { background: linear-gradient(135deg, #25D366, #128C7E); color: white; box-shadow: 0 8px 30px rgba(37,211,102,0.4); }
.btn-whatsapp:hover { transform: translateY(-5px) scale(1.04); box-shadow: 0 15px 45px rgba(37,211,102,0.6); }

/* =============================================
   1. HOME / HERO SECTION (Index)
   ============================================= */
.hero { min-height: 100vh; display: flex; align-items: center; justify-content: center; position: relative; padding: 120px 5% 80px; background: rgba(0, 0, 0, 0.65); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); transform-style: preserve-3d; }

.floating-icons { position: absolute; width: 100%; height: 100%; pointer-events: none; z-index: 2; }
.float-icon { position: absolute; font-size: 2.5rem; color: rgba(255,193,7,0.12); animation: iconFloat 6s ease-in-out infinite; text-shadow: 0 0 15px rgba(255,193,7,0.3); }
.float-icon:nth-child(1) { top: 12%; left: 8%; font-size: 3rem; }
.float-icon:nth-child(2) { top: 25%; right: 10%; font-size: 3.5rem; animation-delay: 1s; }
.float-icon:nth-child(3) { bottom: 20%; left: 12%; font-size: 2.8rem; animation-delay: 2s; }
.float-icon:nth-child(4) { bottom: 30%; right: 8%; font-size: 3.2rem; animation-delay: 0.5s; }
@keyframes iconFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-25px); } }

.hero-content { max-width: 1100px; margin: 0 auto; text-align: center; position: relative; z-index: 5; }
.hero-logo-display { margin-bottom: 1.5rem; animation: heroLogoPulse 4s ease-in-out infinite; }
@keyframes heroLogoPulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.03); } }
.hero-logo-display img { height: 120px; width: auto; background: rgba(0,0,0,0.7); backdrop-filter: blur(10px); padding: 15px; border-radius: 24px; border: 3px solid var(--yellow-500); box-shadow: 0 15px 50px rgba(0,0,0,0.5); }
.hero-badge { display: inline-flex; align-items: center; gap: 0.5rem; background: var(--black); padding: 0.75rem 1.8rem; border-radius: 50px; font-weight: 800; font-size: 0.9rem; margin-bottom: 1.8rem; color: var(--yellow-400); box-shadow: 0 8px 30px rgba(0,0,0,0.4); text-transform: uppercase; letter-spacing: 1.5px; border: 2px solid rgba(255,193,7,0.3); }
.hero h1 { font-family: 'Poppins', sans-serif; font-size: clamp(2.5rem, 6vw, 4.8rem); font-weight: 900; color: var(--white); line-height: 1.08; margin-bottom: 1.2rem; animation: titleReveal 0.8s ease-out 0.3s both; letter-spacing: -1.5px; text-shadow: 0 4px 20px rgba(0,0,0,0.8); }
.hero h1 span { position: relative; display: inline-block; color: var(--yellow-400); }
@keyframes titleReveal { from { opacity: 0; transform: translateY(50px); } to { opacity: 1; transform: translateY(0); } }
.hero-subtitle { font-size: clamp(1.1rem, 2vw, 1.4rem); color: rgba(255,255,255,0.85); font-weight: 500; margin-bottom: 2.5rem; max-width: 700px; margin-left: auto; margin-right: auto; line-height: 1.7; animation: fadeUp 0.8s ease-out 0.4s both; text-shadow: 0 2px 10px rgba(0,0,0,0.6); }
.hero-brands { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; margin-bottom: 3rem; animation: fadeUp 0.8s ease-out 0.5s both; }
.brand-tag { background: rgba(0,0,0,0.6); backdrop-filter: blur(10px); padding: 0.6rem 1.4rem; border-radius: 30px; font-weight: 700; font-size: 0.85rem; border: 1px solid rgba(255,193,7,0.4); color: var(--yellow-400); transition: all 0.4s cubic-bezier(0.34,1.56,0.64,1); text-transform: uppercase; letter-spacing: 1px; }
.brand-tag:hover { background: var(--yellow-500); color: var(--black); border-color: var(--yellow-500); transform: translateY(-5px) scale(1.08); box-shadow: 0 10px 30px rgba(255,193,7,0.4); }
.hero-buttons { display: flex; gap: 1.2rem; justify-content: center; flex-wrap: wrap; animation: fadeUp 0.8s ease-out 0.6s both; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(40px); } to { opacity: 1; transform: translateY(0); } }

/* =============================================
   2. ABOUT SECTION (Index)
   ============================================= */
.about-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 2rem; max-width: 1200px; margin: 0 auto; position: relative; z-index: 1; }
.about-card { background: rgba(255,255,255,0.9); backdrop-filter: blur(12px); padding: 2.5rem 2rem; border-radius: 28px; box-shadow: 0 15px 50px rgba(0,0,0,0.15); transition: all 0.5s cubic-bezier(0.23,1,0.32,1); position: relative; overflow: hidden; border: 1px solid rgba(255,255,255,0.5); }
.about-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 5px; background: linear-gradient(90deg, var(--black), var(--violet), var(--black)); transform: scaleX(0); transition: transform 0.5s ease; transform-origin: left; }
.about-card:hover::before { transform: scaleX(1); }
.about-card:hover { transform: translateY(-15px) rotateX(5deg); box-shadow: 0 30px 80px rgba(0,0,0,0.2), 0 0 40px var(--violet-glow); }
.about-card-icon { width: 75px; height: 75px; background: linear-gradient(135deg, var(--black), var(--black-600)); border-radius: 22px; display: flex; align-items: center; justify-content: center; font-size: 2rem; color: var(--yellow-400); margin-bottom: 1.5rem; box-shadow: 0 8px 25px rgba(0,0,0,0.25); transition: all 0.5s cubic-bezier(0.68,-0.55,0.265,1.4); }
.about-card:hover .about-card-icon { transform: scale(1.15) rotateY(180deg); }
.about-card h3 { font-family: 'Poppins', sans-serif; font-size: 1.35rem; font-weight: 700; margin-bottom: 0.7rem; color: var(--black); }
.about-card p { color: rgba(0,0,0,0.65); font-size: 0.95rem; line-height: 1.7; }

/* =============================================
   3. PRODUCTS SECTION (Index)
   ============================================= */
.products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 2rem; max-width: 1300px; margin: 0 auto; }
.product-card { background: rgba(255,255,255,0.92); backdrop-filter: blur(12px); border-radius: 28px; overflow: hidden; box-shadow: 0 12px 40px rgba(0,0,0,0.2); transition: all 0.5s cubic-bezier(0.23,1,0.32,1); position: relative; border: 1px solid rgba(255,255,255,0.2); }
.product-card::after { content: ''; position: absolute; inset: 0; border-radius: 28px; background: radial-gradient(circle at 50% 120%, var(--violet-glow) 0%, transparent 70%); opacity: 0; transition: opacity 0.5s ease; pointer-events: none; }
.product-card:hover::after { opacity: 1; }
.product-card:hover { transform: translateY(-15px) scale(1.02) rotateX(3deg); box-shadow: 0 25px 60px rgba(0,0,0,0.3), 0 0 40px var(--violet-glow); border-color: var(--violet-light); }
.product-image { height: 220px; background: linear-gradient(135deg, rgba(255,249,196,0.8), rgba(255,238,88,0.8)); display: flex; align-items: center; justify-content: center; font-size: 4.5rem; color: rgba(0,0,0,0.08); position: relative; overflow: hidden; transition: all 0.5s ease; }
.product-card:hover .product-image { background: linear-gradient(135deg, rgba(255,238,88,0.9), rgba(255,179,0,0.9)); }
.product-badge { position: absolute; top: 15px; left: 15px; background: var(--black); color: var(--yellow-400); padding: 0.45rem 1rem; border-radius: 25px; font-size: 0.78rem; font-weight: 800; box-shadow: 0 4px 15px rgba(0,0,0,0.2); text-transform: uppercase; letter-spacing: 0.5px; }
.product-info { padding: 1.6rem; }
.product-brand { display: inline-block; background: rgba(124,58,237,0.1); color: var(--violet); padding: 0.3rem 0.9rem; border-radius: 18px; font-size: 0.78rem; font-weight: 700; margin-bottom: 0.7rem; border: 1px solid rgba(124,58,237,0.2); text-transform: uppercase; }
.product-info h3 { font-family: 'Poppins', sans-serif; font-size: 1.25rem; font-weight: 700; margin-bottom: 0.5rem; color: var(--black); }
.product-info p { color: rgba(0,0,0,0.6); font-size: 0.9rem; margin-bottom: 1.2rem; line-height: 1.6; }
.product-actions { display: flex; gap: 0.7rem; }
.product-actions .btn { flex: 1; padding: 0.75rem 1rem; font-size: 0.85rem; justify-content: center; }

/* =============================================
   4. SERVICES SECTION (Index)
   ============================================= */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2.5rem; max-width: 1200px; margin: 0 auto; position: relative; z-index: 1; }
.service-item { text-align: center; padding: 3rem 2rem; background: rgba(0,0,0,0.75); backdrop-filter: blur(12px); border-radius: 32px; border: 1px solid rgba(255,193,7,0.15); transition: all 0.6s cubic-bezier(0.23,1,0.32,1); }
.service-item:hover { transform: translateY(-15px) scale(1.03); border-color: var(--yellow-500); box-shadow: 0 25px 70px rgba(0,0,0,0.5), 0 0 50px rgba(255,193,7,0.15); }
.service-icon-wrapper { width: 100px; height: 100px; margin: 0 auto 1.5rem; background: linear-gradient(135deg, var(--yellow-500), var(--yellow-700)); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 2.5rem; color: var(--black); box-shadow: 0 10px 35px rgba(255,193,7,0.5); transition: all 0.6s cubic-bezier(0.34,1.56,0.64,1.4); animation: serviceFloat 5s ease-in-out infinite; }
.service-item:nth-child(2) .service-icon-wrapper { animation-delay: 0.6s; } .service-item:nth-child(3) .service-icon-wrapper { animation-delay: 1.2s; } .service-item:nth-child(4) .service-icon-wrapper { animation-delay: 1.8s; }
@keyframes serviceFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
.service-item:hover .service-icon-wrapper { transform: scale(1.2) rotateY(360deg); box-shadow: 0 15px 50px rgba(255,193,7,0.7); animation-play-state: paused; }
.service-item h3 { font-family: 'Poppins', sans-serif; font-size: 1.3rem; font-weight: 700; margin-bottom: 0.7rem; color: var(--white); }
.service-item p { color: rgba(255,255,255,0.65); font-size: 0.95rem; line-height: 1.7; }

/* =============================================
   5. CONTACT SECTION (Index)
   ============================================= */
.contact-top-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; max-width: 1300px; margin: 0 auto 3rem; align-items: stretch; }

.contact-info-card { background: rgba(0,0,0,0.8); backdrop-filter: blur(15px); padding: 3.5rem; border-radius: 36px; box-shadow: 0 25px 70px rgba(0,0,0,0.4); border: 1px solid rgba(255,193,7,0.15); position: relative; overflow: hidden; transform-style: preserve-3d; transition: all 0.5s cubic-bezier(0.23,1,0.32,1); display: flex; flex-direction: column; justify-content: center; }
.contact-info-card::before { content: ''; position: absolute; top: -50%; right: -50%; width: 100%; height: 100%; background: radial-gradient(circle, rgba(255,193,7,0.05) 0%, transparent 70%); pointer-events: none; }
.contact-info-card:hover { transform: translateY(-10px) rotateX(4deg); box-shadow: 0 35px 90px rgba(0,0,0,0.5), 0 0 50px rgba(255,193,7,0.15); border-color: var(--yellow-500); }
.contact-info-card h2 { font-family: 'Poppins', sans-serif; font-size: 2.2rem; font-weight: 900; margin-bottom: 0.5rem; color: var(--yellow-400); text-transform: uppercase; letter-spacing: 1px; }
.contact-info-card .seo-subtitle { font-size: 0.9rem; color: rgba(255,255,255,0.5); margin-bottom: 2.5rem; font-weight: 500; }
.contact-item { display: flex; align-items: flex-start; gap: 1.5rem; margin-bottom: 2rem; padding: 1.5rem; background: rgba(255,255,255,0.03); border-radius: 22px; transition: all 0.4s cubic-bezier(0.23,1,0.32,1); border: 1px solid rgba(255,255,255,0.04); }
.contact-item:hover { background: rgba(255,193,7,0.06); transform: translateX(10px); border-color: rgba(255,193,7,0.2); }
.contact-item-icon { width: 60px; height: 60px; background: linear-gradient(135deg, var(--yellow-500), var(--yellow-700)); border-radius: 18px; display: flex; align-items: center; justify-content: center; font-size: 1.4rem; color: var(--black); flex-shrink: 0; box-shadow: 0 8px 25px rgba(255,193,7,0.4); transition: all 0.4s ease; }
.contact-item:hover .contact-item-icon { transform: scale(1.1) rotateZ(10deg); box-shadow: 0 10px 35px rgba(255,193,7,0.6); text-shadow: 0 0 10px rgba(255,255,255,0.5); }
.contact-item-text h4 { font-weight: 700; margin-bottom: 0.4rem; color: var(--yellow-400); font-size: 1.05rem; }
.contact-item-text p, .contact-item-text a { color: rgba(255,255,255,0.7); font-size: 0.95rem; line-height: 1.6; text-decoration: none; transition: all 0.3s ease; }
.contact-item-text a:hover { color: var(--yellow-400); text-shadow: 0 0 10px rgba(255,193,7,0.3); }

.map-card { border-radius: 36px; overflow: hidden; box-shadow: 0 25px 70px rgba(0,0,0,0.4); border: 2px solid rgba(255,193,7,0.2); position: relative; transform-style: preserve-3d; transition: all 0.5s cubic-bezier(0.23,1,0.32,1); min-height: 500px; background: var(--black-700); }
.map-card:hover { transform: translateY(-10px) rotateY(-4deg); box-shadow: 0 35px 90px rgba(0,0,0,0.5), 0 0 40px rgba(255,193,7,0.15); border-color: var(--yellow-500); }
.map-card iframe { width: 100%; height: 100%; min-height: 500px; border: none; filter: grayscale(30%) contrast(1.1) brightness(0.9); transition: filter 0.4s ease; }
.map-card:hover iframe { filter: grayscale(10%) contrast(1.05) brightness(0.95); }

.inquiry-section { max-width: 900px; margin: 0 auto; }
.form-3d-card { background: rgba(255,255,255,0.88); backdrop-filter: blur(20px); padding: 4rem; border-radius: 40px; box-shadow: 0 30px 80px rgba(0,0,0,0.2); border: 1px solid rgba(255,255,255,0.5); position: relative; overflow: hidden; transform-style: preserve-3d; transition: all 0.5s cubic-bezier(0.23,1,0.32,1); }
.form-3d-card::before { content: ''; position: absolute; inset: -3px; background: linear-gradient(135deg, var(--black), var(--yellow-500), var(--violet), var(--black)); border-radius: 42px; z-index: -1; opacity: 0.3; background-size: 300% 300%; animation: borderGlow 4s ease infinite; }
@keyframes borderGlow { 0%, 100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }
.form-3d-card:hover { transform: translateY(-8px) scale(1.01); box-shadow: 0 40px 100px rgba(0,0,0,0.3), 0 0 50px var(--violet-glow); }
.form-3d-card h3 { font-family: 'Poppins', sans-serif; font-size: 1.8rem; font-weight: 800; color: var(--black); margin-bottom: 0.5rem; text-transform: uppercase; text-align: center; }
.form-3d-card h3 span { color: var(--violet); }
.form-sub { text-align: center; color: rgba(0,0,0,0.6); margin-bottom: 2.5rem; font-size: 0.95rem; }

/* =============================================
   SHARED FORM STYLES (Both Pages)
   ============================================= */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.form-floating { position: relative; margin-bottom: 0.5rem; }
.form-floating.full-width { grid-column: span 2; }

.form-floating input, .form-floating select, .form-floating textarea {
    width: 100%; padding: 1.4rem 1.4rem 0.65rem 1.4rem; border: 2px solid rgba(0,0,0,0.1); border-radius: 18px; font-size: 0.98rem; font-family: inherit; transition: all 0.4s ease; background: rgba(255,255,255,0.8); color: var(--black); outline: none;
}
.form-floating textarea { resize: vertical; min-height: 110px; }
.form-floating label { position: absolute; top: 1.2rem; left: 1.4rem; color: rgba(0,0,0,0.45); font-weight: 600; font-size: 0.95rem; pointer-events: none; transition: all 0.3s ease; }
.form-floating input:focus, .form-floating select:focus, .form-floating textarea:focus { border-color: var(--yellow-600); background: white; box-shadow: 0 0 0 5px rgba(255,193,7,0.15), 0 5px 20px rgba(0,0,0,0.06); transform: translateY(-2px); }
.form-floating input:focus ~ label, .form-floating input:not(:placeholder-shown) ~ label, .form-floating textarea:focus ~ label, .form-floating textarea:not(:placeholder-shown) ~ label, .form-floating select:focus ~ label, .form-floating select:valid ~ label { top: 0.4rem; font-size: 0.7rem; color: var(--violet); font-weight: 700; }

.form-actions { display: flex; gap: 1.2rem; margin-top: 2rem; flex-wrap: wrap; }

/* =============================================
   QUOTE PAGE STYLES (Form)
   ============================================= */
.quote-hero { min-height: 45vh; display: flex; align-items: center; justify-content: center; position: relative; padding: 120px 5% 80px; background: rgba(0, 0, 0, 0.70); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); transform-style: preserve-3d; }
.quote-hero-content { max-width: 900px; text-align: center; position: relative; z-index: 5; }
.quote-hero h1 { font-family: 'Poppins', sans-serif; font-size: clamp(2.2rem, 5vw, 3.8rem); font-weight: 900; color: var(--white); line-height: 1.15; margin-bottom: 1rem; animation: titleReveal 0.8s ease-out 0.3s both; letter-spacing: -1px; text-shadow: 0 4px 20px rgba(0,0,0,0.8); }
.quote-hero h1 span { color: var(--yellow-400); }
.quote-hero p { font-size: clamp(1rem, 1.8vw, 1.25rem); color: rgba(255,255,255,0.85); font-weight: 500; margin-bottom: 0; line-height: 1.7; animation: fadeUp 0.8s ease-out 0.4s both; text-shadow: 0 2px 10px rgba(0,0,0,0.6); }

.quote-section { padding: 80px 5%; position: relative; overflow: hidden; backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); background: linear-gradient(135deg, rgba(255, 249, 196, 0.92), rgba(255, 238, 88, 0.88)); min-height: auto; }
.quote-container { max-width: 1100px; margin: 0 auto; position: relative; z-index: 1; }

.company-info-banner { background: rgba(0,0,0,0.9); backdrop-filter: blur(15px); padding: 2.5rem 3rem; border-radius: 28px; margin-bottom: 3rem; border: 2px solid rgba(255,193,7,0.25); box-shadow: 0 20px 60px rgba(0,0,0,0.3); display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; transform-style: preserve-3d; transition: all 0.5s cubic-bezier(0.23,1,0.32,1); }
.company-info-banner:hover { transform: translateY(-5px) rotateX(2deg); box-shadow: 0 30px 80px rgba(0,0,0,0.4), 0 0 40px rgba(255,193,7,0.1); border-color: var(--yellow-500); }
.info-block h3 { font-family: 'Poppins', sans-serif; font-size: 1.15rem; font-weight: 800; color: var(--yellow-400); margin-bottom: 0.8rem; text-transform: uppercase; letter-spacing: 1px; display: flex; align-items: center; gap: 0.6rem; }
.info-block h3 i { font-size: 1rem; }
.info-block p { color: rgba(255,255,255,0.8); font-size: 0.95rem; line-height: 1.7; }
.info-block a { color: var(--yellow-400); text-decoration: none; transition: all 0.3s ease; font-weight: 600; }
.info-block a:hover { color: var(--white); text-shadow: 0 0 10px rgba(255,193,7,0.5); }

.form-card { background: rgba(255,255,255,0.93); backdrop-filter: blur(25px); padding: 3.5rem; border-radius: 36px; box-shadow: 0 30px 80px rgba(0,0,0,0.18); border: 2px solid rgba(255,255,255,0.6); position: relative; overflow: hidden; transform-style: preserve-3d; transition: all 0.5s cubic-bezier(0.23,1,0.32,1); }
.form-card::before { content: ''; position: absolute; inset: -3px; background: linear-gradient(135deg, var(--black), var(--yellow-500), var(--violet), var(--black)); border-radius: 38px; z-index: -1; opacity: 0.25; background-size: 300% 300%; animation: borderGlow 4s ease infinite; }
.form-card:hover { transform: translateY(-8px) scale(1.005); box-shadow: 0 40px 100px rgba(0,0,0,0.22), 0 0 50px var(--violet-glow); }

.form-title { font-family: 'Poppins', sans-serif; font-size: 2rem; font-weight: 900; color: var(--black); margin-bottom: 0.5rem; text-align: center; text-transform: uppercase; letter-spacing: 0.5px; }
.form-title span { color: var(--violet); }
.form-subtitle { text-align: center; color: rgba(0,0,0,0.55); margin-bottom: 2.5rem; font-size: 0.98rem; font-weight: 500; }
.required-note { text-align: center; color: #DC2626; font-size: 0.85rem; font-weight: 700; margin-bottom: 2rem; padding: 0.8rem; background: rgba(220,38,38,0.08); border-radius: 12px; border: 1px solid rgba(220,38,38,0.2); }
.required-note i { margin-right: 0.4rem; }

.form-section { margin-bottom: 2.5rem; }
.form-section-header { font-family: 'Poppins', sans-serif; font-size: 1.35rem; font-weight: 800; color: var(--black); margin-bottom: 1.5rem; padding-bottom: 0.8rem; border-bottom: 3px solid var(--yellow-500); display: flex; align-items: center; gap: 0.8rem; }
.form-section-header i { color: var(--yellow-500); font-size: 1.2rem; }
.form-section-header .section-number { background: linear-gradient(135deg, var(--yellow-500), var(--yellow-700)); color: var(--black); width: 32px; height: 32px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.9rem; font-weight: 900; }

.radio-group { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; margin-top: 0.5rem; }
.radio-option { position: relative; }
.radio-option input[type="radio"] { position: absolute; opacity: 0; width: 0; height: 0; }
.radio-label { display: flex; align-items: center; gap: 0.8rem; padding: 1.2rem 1.5rem; background: rgba(255,255,255,0.7); border: 2px solid rgba(0,0,0,0.1); border-radius: 16px; cursor: pointer; transition: all 0.35s cubic-bezier(0.23,1,0.32,1); font-weight: 600; font-size: 0.92rem; color: rgba(0,0,0,0.7); }
.radio-label:hover { border-color: var(--yellow-500); background: rgba(255,249,196,0.6); transform: translateY(-3px); box-shadow: 0 8px 20px rgba(0,0,0,0.08); }
.radio-option input[type="radio"]:checked + .radio-label { border-color: var(--yellow-600); background: linear-gradient(135deg, rgba(255,193,7,0.2), rgba(255,179,0,0.15)); color: var(--black); font-weight: 800; box-shadow: 0 0 0 3px rgba(255,193,7,0.2), 0 8px 25px rgba(0,0,0,0.1); }
.radio-custom { width: 22px; height: 22px; border: 2.5px solid rgba(0,0,0,0.2); border-radius: 50%; display: flex; align-items: center; justify-content: center; transition: all 0.3s ease; flex-shrink: 0; }
.radio-option input[type="radio"]:checked + .radio-label .radio-custom { border-color: var(--yellow-600); background: var(--yellow-500); }
.radio-custom::after { content: ''; width: 10px; height: 10px; background: var(--black); border-radius: 50%; transform: scale(0); transition: transform 0.3s cubic-bezier(0.34,1.56,0.64,1); }
.radio-option input[type="radio"]:checked + .radio-label .radio-custom::after { transform: scale(1); }

.photo-note { background: rgba(255,193,7,0.1); border-left: 5px solid var(--yellow-500); padding: 1.2rem 1.5rem; border-radius: 18px; margin-top: 1rem; font-size: 0.92rem; color: rgba(0,0,0,0.7); display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.photo-note i { font-size: 1.8rem; color: var(--yellow-600); }
.photo-note a { color: var(--black); font-weight: 700; text-decoration: none; border-bottom: 2px solid var(--yellow-500); }
.photo-note a:hover { color: var(--violet); }

.success-message { display: none; text-align: center; padding: 3rem 2rem; background: rgba(255,255,255,0.95); border-radius: 28px; box-shadow: 0 20px 60px rgba(0,0,0,0.15); }
.success-message.show { display: block; animation: fadeInUp 0.6s ease-out; }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
.success-icon { width: 90px; height: 90px; background: linear-gradient(135deg, #25D366, #128C7E); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 2.8rem; color: white; margin: 0 auto 1.5rem; box-shadow: 0 10px 40px rgba(37,211,102,0.4); animation: successPulse 2s ease-in-out infinite; }
@keyframes successPulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.08); } }
.success-message h2 { font-family: 'Poppins', sans-serif; font-size: 2rem; font-weight: 900; color: var(--black); margin-bottom: 0.8rem; }
.success-message p { color: rgba(0,0,0,0.65); font-size: 1.05rem; margin-bottom: 2rem; line-height: 1.7; }

/* =============================================
   GLOBAL COMPONENTS (Shared)
   ============================================= */
.whatsapp-float { position: fixed; bottom: 30px; right: 30px; width: 65px; height: 65px; background: linear-gradient(135deg, #25D366, #128C7E); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: white; font-size: 2.1rem; box-shadow: 0 10px 40px rgba(37,211,102,0.5); z-index: 998; text-decoration: none; transition: all 0.4s cubic-bezier(0.34,1.56,0.64,1); border: 3px solid rgba(255,255,255,0.2); animation: whatsappPulse 2s ease-in-out infinite; }
@keyframes whatsappPulse { 0%, 100% { box-shadow: 0 10px 40px rgba(37,211,102,0.5); } 50% { box-shadow: 0 10px 55px rgba(37,211,102,0.7); } }
.whatsapp-float:hover { transform: scale(1.15) rotate(15deg); }

.toast { position: fixed; bottom: 110px; right: 30px; background: var(--black); color: var(--yellow-400); padding: 1rem 1.8rem; border-radius: 16px; font-weight: 700; font-size: 0.92rem; box-shadow: 0 10px 35px rgba(0,0,0,0.5); border: 1px solid rgba(255,193,7,0.3); z-index: 9999; transform: translateX(150%); transition: transform 0.4s cubic-bezier(0.34,1.56,0.64,1); display: flex; align-items: center; gap: 0.7rem; }
.toast.show { transform: translateX(0); }

.reveal { opacity: 0; transform: translateY(50px); transition: all 0.8s cubic-bezier(0.23,1,0.32,1); }
.reveal.active { opacity: 1; transform: translateY(0); }

/* =============================================
   RESPONSIVE BREAKPOINTS (Shared)
   ============================================= */
@media (max-width: 1024px) {
    .contact-top-grid { grid-template-columns: 1fr; }
    .company-info-banner { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .nav-menu { display: none; } .nav-cta-btn { display: none; } .mobile-toggle { display: flex; }
    .brand-name { font-size: 0.95rem; } .brand-tagline { font-size: 0.55rem; } .brand-logo { height: 40px; width: 40px; }
    .hero-logo-display img { height: 90px; padding: 10px; } .hero h1 { font-size: clamp(1.8rem, 8vw, 3rem); }
    .hero-buttons { flex-direction: column; align-items: center; } .hero-buttons .btn { width: 100%; max-width: 300px; justify-content: center; }
    .contact-info-card { padding: 2.5rem 2rem; } .form-3d-card { padding: 2.5rem 1.8rem; }
    .form-grid { grid-template-columns: 1fr; } .form-floating.full-width { grid-column: span 1; }
    .form-actions { flex-direction: column; }
    .form-actions .btn { width: 100%; }
    .products-grid { grid-template-columns: 1fr 1fr; }
    .quote-hero { min-height: 35vh; padding: 100px 5% 60px; }
    .form-card { padding: 2.5rem 2rem; }
    .radio-group { grid-template-columns: 1fr; }
    .company-info-banner { padding: 2rem 1.5rem; }
}
@media (max-width: 480px) {
    .section { padding: 70px 4%; }
    .brand-logo { height: 36px; width: 36px; } .brand-name { font-size: 0.85rem; } .brand-tagline { display: none; }
    .contact-info-card h2 { font-size: 1.8rem; }
    .products-grid { grid-template-columns: 1fr; }
    .whatsapp-float { width: 55px; height: 55px; font-size: 1.7rem; bottom: 20px; right: 20px; }
    .toast { bottom: 90px; }
    .form-card { padding: 2rem 1.5rem; border-radius: 24px; }
    .form-title { font-size: 1.6rem; }
}