:root {
  --red: #D9102E;
  --red-dark: #A3061E;
  --dark: #0F172A;
  --darker: #0B0F19;
  --gray: #64748B;
  --light: #F8FAFC;
  --border: #E2E8F0;
  --white: #FFFFFF;
  --shadow-sm: 0 4px 12px rgba(15, 23, 42, 0.05);
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 40px -10px rgba(15, 23, 42, 0.12);
  --shadow-red: 0 8px 30px -4px rgba(217, 16, 46, 0.4);
  --r: 16px;
  --r-lg: 24px;
  --tr: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Outfit', sans-serif;
  color: #1E293B;
  background: var(--light);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--tr); }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
section { padding: 100px 0; }

/* TYPOGRAPHY */
h1, h2, h3, h4 { font-weight: 800; line-height: 1.2; color: var(--dark); letter-spacing: -0.02em; }
.section-label { display: inline-flex; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--red); background: rgba(217, 16, 46, 0.1); padding: 6px 16px; border-radius: 100px; margin-bottom: 16px; align-items: center; gap: 8px; }
.section-title { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 16px; }
.section-sub { color: var(--gray); font-size: 1.125rem; max-width: 600px; margin-bottom: 56px; line-height: 1.7; }
.text-center { text-align: center; }
.text-center .section-sub { margin-left: auto; margin-right: auto; }

/* BUTTONS */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 14px 32px; border-radius: 100px; font-family: inherit; font-size: 0.9375rem; font-weight: 600; cursor: pointer; border: 2px solid transparent; transition: var(--tr); overflow: hidden; position: relative; }
.btn::before { content: ''; position: absolute; inset: 0; background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.2) 50%, rgba(255,255,255,0) 100%); transform: translateX(-150%) skewX(-20deg); transition: transform 0.6s ease; }
.btn:hover::before { transform: translateX(150%); }
.btn-primary { background: linear-gradient(135deg, var(--red) 0%, var(--red-dark) 100%); color: #fff; border: none; box-shadow: var(--shadow-sm); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: var(--shadow-red); }
.btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,0.4); backdrop-filter: blur(8px); }
.btn-outline:hover { background: #fff; color: var(--red); border-color: #fff; transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.btn-dark { background: transparent; color: var(--dark); border-color: var(--border); border-radius: 100px; }
.btn-dark:hover { background: var(--dark); color: #fff; border-color: var(--dark); transform: translateY(-3px); box-shadow: var(--shadow); }
.btn-lg { padding: 16px 40px; font-size: 1.0625rem; }

/* NAVBAR */
.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; padding: 16px 0; background: rgba(255, 255, 255, 0.85); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-bottom: 1px solid rgba(255, 255, 255, 0.3); box-shadow: var(--shadow-sm); transition: var(--tr); }
.navbar-inner { display: flex; align-items: center; justify-content: space-between; }
.nav-logo { height: 48px; width: auto; transition: var(--tr); }
.navbar .nav-logo, .mobile-menu img { mix-blend-mode: multiply; }
.nav-menu { display: flex; align-items: center; gap: 8px; }
.nav-link { color: var(--gray); font-size: 0.9375rem; font-weight: 600; padding: 8px 16px; border-radius: 100px; position: relative; transition: var(--tr); }
.nav-link:hover, .nav-link.active { color: var(--red); background: rgba(217, 16, 46, 0.05); }
.hamburger { display: none; flex-direction: column; gap: 6px; cursor: pointer; padding: 8px; background: none; border: none; z-index: 2001; }
.hamburger span { display: block; width: 28px; height: 3px; background: var(--dark); border-radius: 3px; transition: var(--tr); }
.hamburger.open span:nth-child(1) { transform: translateY(9px) rotate(45deg); background: var(--dark); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); background: var(--dark); }

.mobile-menu { position: fixed; inset: 0 0 0 100%; background: rgba(255, 255, 255, 0.98); backdrop-filter: blur(20px); z-index: 2000; display: flex; flex-direction: column; padding: 120px 32px 40px; transition: inset 0.6s cubic-bezier(0.16, 1, 0.3, 1); }
.mobile-menu.open { inset: 0 0 0 0; }
.mobile-menu .nav-link { color: var(--dark); font-size: 1.5rem; font-weight: 700; padding: 16px 0; border-bottom: 1px solid var(--border); opacity: 0; transform: translateY(20px); transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1); border-radius: 0; background: transparent; }
.mobile-menu.open .nav-link { opacity: 1; transform: translateY(0); }
.mobile-menu .nav-link:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu .nav-link:nth-child(2) { transition-delay: 0.2s; }
.mobile-menu .nav-link:nth-child(3) { transition-delay: 0.3s; }
.mobile-menu .nav-link:nth-child(4) { transition-delay: 0.4s; }
.mobile-menu .nav-link:nth-child(5) { transition-delay: 0.5s; }

/* HERO */
.hero { min-height: 100vh; display: flex; align-items: center; position: relative; overflow: hidden; background: var(--darker); }
.hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0.6; mix-blend-mode: overlay; transition: transform 6s ease-out; }
.hero:hover .hero-bg { transform: scale(1.05); }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, var(--darker) 30%, rgba(11, 15, 25, 0.7) 100%); }
.hero::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 150px; background: linear-gradient(to top, var(--light), transparent); }
.hero-content { position: relative; z-index: 1; max-width: 760px; padding-top: 100px; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(255, 255, 255, 0.08); backdrop-filter: blur(12px); border: 1px solid rgba(255, 255, 255, 0.15); color: #fff; font-size: 0.8125rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; padding: 8px 20px; border-radius: 100px; margin-bottom: 24px; box-shadow: var(--shadow-sm); }
.hero-badge i { color: var(--red); font-size: 8px; animation: pulse 2s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(217, 16, 46, 0.4); } 50% { opacity: 0.5; box-shadow: 0 0 0 6px rgba(217, 16, 46, 0); } }
.hero h1 { font-size: clamp(3rem, 7vw, 5rem); font-weight: 900; color: #fff; line-height: 1.05; margin-bottom: 24px; letter-spacing: -0.03em; }
.hero h1 span { color: transparent; background: linear-gradient(135deg, #ff4d6d, var(--red)); -webkit-background-clip: text; background-clip: text; }
.hero p { font-size: clamp(1.125rem, 2vw, 1.35rem); color: rgba(255, 255, 255, 0.7); margin-bottom: 40px; font-weight: 400; line-height: 1.6; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }
.hero-stats { display: flex; gap: 64px; margin-top: 64px; padding-top: 40px; border-top: 1px solid rgba(255, 255, 255, 0.1); }
.stat-num { font-size: 2.5rem; font-weight: 900; color: #fff; line-height: 1; margin-bottom: 8px; display: flex; align-items: baseline; }
.stat-num span { color: var(--red); font-size: 1.5rem; margin-left: 2px; }
.stat-label { font-size: 0.8125rem; color: rgba(255, 255, 255, 0.5); text-transform: uppercase; letter-spacing: 0.1em; font-weight: 600; }

/* FEATURES */
.features { background: var(--light); position: relative; z-index: 2; }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 32px; }
.feature-card { background: #fff; padding: 40px 32px; border-radius: var(--r-lg); border: 1px solid var(--border); transition: var(--tr); box-shadow: var(--shadow-sm); position: relative; overflow: hidden; }
.feature-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--red), #ff4d6d); transform: scaleX(0); transform-origin: left; transition: transform 0.5s ease; }
.feature-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.feature-card:hover::before { transform: scaleX(1); }
.feature-icon { width: 64px; height: 64px; background: linear-gradient(135deg, rgba(217, 16, 46, 0.1), rgba(217, 16, 46, 0.05)); border-radius: 16px; display: flex; align-items: center; justify-content: center; font-size: 1.75rem; margin-bottom: 24px; transition: var(--tr); }
.feature-card:hover .feature-icon { transform: scale(1.1) rotate(5deg); background: var(--red); color: #fff; box-shadow: var(--shadow-red); }
.feature-card h4 { font-size: 1.25rem; margin-bottom: 12px; font-weight: 700; }
.feature-card p { font-size: 0.9375rem; color: var(--gray); line-height: 1.6; }

/* PRODUCTS */
.products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 32px; margin-top: 48px; }
.product-card { background: #fff; border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; transition: var(--tr); box-shadow: var(--shadow-sm); display: flex; flex-direction: column; }
.product-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: rgba(217,16,46,0.2); }
.product-img { height: 260px; overflow: hidden; background: var(--light); display: flex; align-items: center; justify-content: center; position: relative; }
.product-img::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,0.4), transparent); opacity: 0; transition: var(--tr); }
.product-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s cubic-bezier(0.25, 1, 0.5, 1); }
.product-card:hover .product-img img { transform: scale(1.08); }
.product-card:hover .product-img::after { opacity: 1; }
.product-body { padding: 32px 24px; flex-grow: 1; display: flex; flex-direction: column; }
.product-badge { display: inline-block; font-size: 0.7rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.1em; padding: 6px 12px; border-radius: 100px; background: var(--light); color: var(--gray); margin-bottom: 16px; align-self: flex-start; }
.product-card:hover .product-badge { background: rgba(217,16,46,0.1); color: var(--red); }
.product-body h3 { font-size: 1.25rem; margin-bottom: 12px; }
.product-body p { font-size: 0.9375rem; color: var(--gray); margin-bottom: 24px; flex-grow: 1; }
.product-footer { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: auto; padding-top: 24px; border-top: 1px solid var(--border); }
.product-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { font-size: 0.75rem; font-weight: 600; background: var(--light); color: var(--gray); padding: 4px 10px; border-radius: 6px; }
.product-footer .btn-dark { padding: 10px 20px; font-size: 0.875rem; border-radius: 100px; }

/* ABOUT SECTION */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-img { position: relative; border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.about-img img { width: 100%; height: 550px; object-fit: cover; transition: transform 1s ease; }
.about-img:hover img { transform: scale(1.03); }
.about-img-badge { position: absolute; bottom: 32px; left: 32px; background: rgba(255,255,255,0.95); backdrop-filter: blur(10px); border-radius: 20px; padding: 24px 32px; box-shadow: var(--shadow-lg); border: 1px solid rgba(255,255,255,0.5); }
.about-img-badge .num { font-size: 2.5rem; font-weight: 900; color: var(--red); line-height: 1; margin-bottom: 4px; }
.about-img-badge .lbl { font-size: 0.875rem; color: var(--gray); font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }
.about-checks { display: flex; flex-direction: column; gap: 16px; margin-bottom: 40px; }
.check-item { display: flex; align-items: center; gap: 16px; font-size: 1rem; font-weight: 500; color: var(--dark); }
.check-icon { width: 28px; height: 28px; background: rgba(217, 16, 46, 0.1); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--red); font-size: 0.75rem; flex-shrink: 0; transition: var(--tr); }
.check-item:hover .check-icon { background: var(--red); color: #fff; transform: scale(1.1); box-shadow: var(--shadow-sm); }

/* BLOG */
.blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 32px; margin-top: 48px; }
.blog-card { background: #fff; border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; transition: var(--tr); box-shadow: var(--shadow-sm); display: flex; flex-direction: column;}
.blog-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.blog-img { height: 220px; overflow: hidden; position: relative; }
.blog-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s ease; }
.blog-card:hover .blog-img img { transform: scale(1.08); }
.blog-body { padding: 32px 24px; display: flex; flex-direction: column; flex-grow: 1; }
.blog-cat { font-size: 0.75rem; font-weight: 800; color: var(--red); text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 12px; }
.blog-body h3 { font-size: 1.25rem; margin: 0 0 16px 0; line-height: 1.4; transition: var(--tr); }
.blog-card:hover h3 { color: var(--red); }
.blog-body p { font-size: 0.9375rem; color: var(--gray); margin-bottom: 24px; flex-grow: 1; }
.blog-meta { font-size: 0.875rem; color: var(--gray); font-weight: 500; display: flex; align-items: center; gap: 8px; }
.blog-meta i { color: var(--red); }

/* CTA BANNER */
.cta-banner { background: var(--darker); color: #fff; padding: 100px 0; text-align: center; position: relative; overflow: hidden; border-radius: 40px; margin: 80px 24px; }
.cta-banner::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 70% 50%, rgba(217, 16, 46, 0.4) 0%, transparent 60%); opacity: 0.8; }
.cta-banner::after { content: ''; position: absolute; inset: 0; background: url('https://www.transparenttextures.com/patterns/cubes.png'); opacity: 0.05; }
.cta-banner .container { position: relative; z-index: 2; }
.cta-banner h2 { font-size: clamp(2rem, 4vw, 3rem); color: #fff; margin-bottom: 20px; letter-spacing: -0.02em; }
.cta-banner p { color: rgba(255, 255, 255, 0.7); font-size: 1.125rem; margin-bottom: 40px; max-width: 600px; margin-left: auto; margin-right: auto; line-height: 1.7; }
.cta-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 16px; }

/* PAGE HEADER */
.page-header { background: var(--darker); padding: 180px 0 100px; position: relative; overflow: hidden; margin-bottom: 60px; }
.page-header::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 60% 40%, rgba(217, 16, 46, 0.3) 0%, transparent 70%); }
.page-header::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 80px; background: linear-gradient(to top, var(--light), transparent); }
.page-header .container { position: relative; z-index: 2; text-align: center; }
.page-header h1 { color: #fff; font-size: clamp(2.5rem, 5vw, 4rem); letter-spacing: -0.02em; margin-bottom: 16px; }
.page-header p { color: rgba(255, 255, 255, 0.7); font-size: 1.25rem; max-width: 600px; margin: 0 auto; }
.breadcrumb { display: inline-flex; justify-content: center; align-items: center; gap: 12px; color: rgba(255, 255, 255, 0.5); font-size: 0.875rem; margin-bottom: 24px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.1em; background: rgba(255,255,255,0.05); padding: 8px 24px; border-radius: 100px; backdrop-filter: blur(8px); }
.breadcrumb a { color: rgba(255, 255, 255, 0.8); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb i { font-size: 0.6rem; opacity: 0.5; }

/* CONTACT */
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 64px; }
.contact-info { display: flex; flex-direction: column; gap: 32px; }
.info-item { display: flex; gap: 20px; align-items: flex-start; padding: 24px; background: #fff; border-radius: var(--r); border: 1px solid var(--border); transition: var(--tr); box-shadow: var(--shadow-sm); }
.info-item:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: rgba(217,16,46,0.3); }
.info-icon { width: 56px; height: 56px; background: linear-gradient(135deg, rgba(217, 16, 46, 0.1), rgba(217, 16, 46, 0.05)); border-radius: 16px; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; flex-shrink: 0; color: var(--red); transition: var(--tr); }
.info-item:hover .info-icon { background: var(--red); color: #fff; transform: scale(1.1); box-shadow: var(--shadow-red); }
.info-item h4 { font-size: 1.0625rem; font-weight: 700; margin-bottom: 6px; }
.info-item p, .info-item a { font-size: 0.9375rem; color: var(--gray); line-height: 1.6; }
.contact-form { background: #fff; border: 1px solid var(--border); border-radius: var(--r-lg); padding: 48px; box-shadow: var(--shadow-lg); }
.form-group { margin-bottom: 24px; }
.form-group label { display: block; font-size: 0.875rem; font-weight: 700; margin-bottom: 8px; color: var(--dark); letter-spacing: 0.05em; text-transform: uppercase; }
.form-control { width: 100%; padding: 14px 20px; border: 2px solid var(--border); border-radius: 12px; font-family: inherit; font-size: 1rem; transition: var(--tr); outline: none; background: var(--light); color: var(--dark); font-weight: 500; }
.form-control::placeholder { color: #94A3B8; font-weight: 400; }
.form-control:focus { border-color: var(--red); background: #fff; box-shadow: 0 0 0 4px rgba(217, 16, 46, 0.1); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
textarea.form-control { resize: vertical; min-height: 150px; }

/* STATS CARDS */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 24px; text-align: center; }
.stat-card { padding: 40px 24px; background: #fff; border-radius: var(--r-lg); border: 1px solid var(--border); box-shadow: var(--shadow-sm); transition: var(--tr); }
.stat-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: var(--red); }
.stat-card-icon { font-size: 2.5rem; margin-bottom: 16px; display: inline-block; }
.stat-card-num { font-size: 2.5rem; font-weight: 900; color: var(--red); line-height: 1; margin-bottom: 8px; }
.stat-card-lbl { font-size: 0.9375rem; color: var(--gray); font-weight: 500; }

/* FILTER TABS */
.filter-tabs { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-bottom: 48px; }
.filter-btn { padding: 10px 24px; border: none; border-radius: 100px; font-size: 0.9375rem; font-weight: 600; cursor: pointer; background: #fff; color: var(--gray); transition: var(--tr); box-shadow: var(--shadow-sm); }
.filter-btn.active, .filter-btn:hover { background: var(--red); color: #fff; box-shadow: var(--shadow-red); transform: translateY(-2px); }

/* FOOTER */
footer { background: var(--darker); color: rgba(255, 255, 255, 0.6); padding: 80px 0 0; position: relative; overflow: hidden; }
footer::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at top right, rgba(217, 16, 46, 0.1) 0%, transparent 50%); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 48px; margin-bottom: 64px; position: relative; z-index: 2; }
.footer-brand .nav-logo { height: 48px; background: #fff; padding: 10px 20px; border-radius: 12px; margin-bottom: 24px; display: inline-block; box-shadow: 0 4px 12px rgba(0,0,0,0.5); }
.footer-brand p { font-size: 0.9375rem; line-height: 1.8; max-width: 320px; }
footer h5 { color: #fff; font-size: 1rem; font-weight: 800; letter-spacing: 0.05em; margin-bottom: 24px; }
.footer-links { display: flex; flex-direction: column; gap: 12px; }
.footer-links a { font-size: 0.9375rem; transition: var(--tr); position: relative; align-self: flex-start; }
.footer-links a::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 1px; background: var(--red); transition: var(--tr); }
.footer-links a:hover { color: #fff; }
.footer-links a:hover::after { width: 100%; }
.footer-contact { display: flex; flex-direction: column; gap: 16px; }
.footer-contact div { display: flex; align-items: flex-start; gap: 12px; font-size: 0.9375rem; color: rgba(255,255,255,0.8); }
.footer-contact i { color: var(--red); font-size: 1.1rem; margin-top: 3px; }
.social-links { display: flex; gap: 12px; margin-top: 24px; }
.social-link { width: 40px; height: 40px; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); border-radius: 12px; display: flex; align-items: center; justify-content: center; color: #fff; transition: var(--tr); }
.social-link:hover { background: var(--red); border-color: var(--red); transform: translateY(-4px); box-shadow: var(--shadow-red); }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); padding: 24px 0; display: flex; justify-content: space-between; align-items: center; font-size: 0.875rem; position: relative; z-index: 2; }

/* BOTTOM NAV */
.bottom-nav { display: none; position: fixed; bottom: 0; left: 0; right: 0; background: rgba(255,255,255,0.95); backdrop-filter: blur(20px); box-shadow: 0 -4px 30px rgba(0,0,0,0.1); z-index: 1000; padding: 12px 0 24px; border-top: 1px solid var(--border); }
.bottom-nav-inner { display: flex; justify-content: space-around; align-items: center; }
.bottom-nav-item { display: flex; flex-direction: column; align-items: center; gap: 6px; color: var(--gray); font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; transition: var(--tr); }
.bottom-nav-item i { font-size: 1.25rem; transition: var(--tr); }
.bottom-nav-item.active { color: var(--red); }
.bottom-nav-item.active i { transform: translateY(-4px); }

/* BACK TO TOP */
.back-to-top { position: fixed; bottom: 40px; right: 40px; width: 56px; height: 56px; background: var(--dark); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-lg); z-index: 800; opacity: 0; visibility: hidden; transform: translateY(20px); transition: var(--tr); border: none; cursor: pointer; font-size: 1.25rem; }
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--red); transform: translateY(-8px); box-shadow: var(--shadow-red); }

/* ANIMATIONS */
.fade-up { opacity: 0; transform: translateY(40px); transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1); }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* RESPONSIVE */
@media(max-width: 992px) {
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-img img { height: 400px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; }
  .cta-banner { margin: 60px 0; border-radius: 0; }
  .back-to-top { bottom: 100px; right: 20px; width: 48px; height: 48px; }
}
@media(max-width: 768px) {
  section { padding: 60px 0; }
  .hero-content { padding-top: 80px; text-align: center; }
  .hero-actions { justify-content: center; }
  .hero-stats { flex-direction: column; gap: 32px; align-items: center; }
  .nav-menu, .navbar .btn { display: none; }
  .hamburger { display: flex; }
  .footer-grid { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .footer-links a { align-self: center; }
  .footer-contact div { justify-content: center; text-align: left; }
  .social-links { justify-content: center; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 32px 24px; }
  .cta-actions { flex-direction: column; width: 100%; }
  .cta-actions .btn { width: 100%; }
  .bottom-nav { display: block; }
  body { padding-bottom: 80px; }
  .about-img-badge { left: 16px; bottom: 16px; padding: 16px 20px; }
  .about-img-badge .num { font-size: 2rem; }
}