@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --primary: #ea580c;
  --primary-dark: #c2410c;
  --secondary: #f8fafc;
  --dark: #ffffff;
  --darker: #f1f5f9;
  --light: #0f172a;
  --gray: #475569;
  --card-bg: #ffffff;
  --border: #e2e8f0;
  --gradient: linear-gradient(135deg, #ea580c, #f97316);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.025);
  --shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.02);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Plus Jakarta Sans', sans-serif; background-color: var(--dark); background-image: radial-gradient(#cbd5e1 1px, transparent 1px); background-size: 40px 40px; color: var(--gray); overflow-x: hidden; -webkit-font-smoothing: antialiased; font-size: 16px; line-height: 1.6; }
h1, h2, h3, h4, h5, h6 { color: var(--light); font-weight: 800; letter-spacing: -0.03em; line-height: 1.2; margin-bottom: 0.5em; }
p { color: var(--gray); line-height: 1.75; font-size: 1.05rem; }
a { color: var(--primary); text-decoration: none; transition: all 0.3s ease; }

/* SCROLLBAR */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--darker); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 3px; }

/* TOPBAR */
.topbar { background: var(--secondary); padding: 8px 0; font-size: 13px; }
.topbar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.topbar a { color: #475569; text-decoration: none; display: flex; align-items: center; gap: 6px; transition: color .3s; }
.topbar a:hover { color: var(--primary); }
.topbar-left, .topbar-right { display: flex; gap: 20px; }

/* NAVBAR */
nav { position: sticky; top: 15px; z-index: 1000; background: rgba(255,255,255,0.85); backdrop-filter: blur(16px); border: 1px solid rgba(255,255,255,0.6); box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.08); border-radius: 50px; max-width: 1160px; margin: 0 auto; transition: all 0.3s ease; }
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding: 12px 24px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-icon { width: 42px; height: 42px; background: var(--gradient); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 20px; }
.logo-text { font-size: 20px; font-weight: 800; color: var(--light); }
.logo-text span { color: var(--primary); }
.nav-links { display: flex; list-style: none; gap: 32px; }
.nav-links a { color: #334155; text-decoration: none; font-weight: 600; font-size: 15px; position: relative; transition: color .3s; padding-bottom: 4px; letter-spacing: -0.2px; }
.nav-links a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--gradient); border-radius: 2px; transition: width .3s; }
.nav-links a:hover, .nav-links a.active { color: var(--primary); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-cta { background: var(--gradient); color: white; padding: 10px 24px; border-radius: 50px; font-weight: 600; text-decoration: none; font-size: 14px; transition: transform .3s, box-shadow .3s; box-shadow: 0 4px 15px rgba(249,115,22,0.4); }
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(249,115,22,0.5); }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.hamburger span { width: 25px; height: 2px; background: var(--light); border-radius: 2px; transition: .3s; }

/* CONTAINER */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* HERO */
.hero { min-height: 100vh; display: flex; align-items: center; position: relative; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background: linear-gradient(135deg, #0a0f1e 0%, #1e3a5f 50%, #0a0f1e 100%); }
.hero-bg::before { content: ''; position: absolute; inset: 0; background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23f97316' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"); }
.hero-particles { position: absolute; inset: 0; overflow: hidden; }
.particle { position: absolute; width: 4px; height: 4px; background: var(--primary); border-radius: 50%; opacity: 0.6; animation: float linear infinite; }
@keyframes float { 0% { transform: translateY(100vh) rotate(0deg); opacity: 0; } 10% { opacity: .6; } 90% { opacity: .6; } 100% { transform: translateY(-100px) rotate(720deg); opacity: 0; } }
.hero-content { position: relative; z-index: 2; text-align: center; padding: 140px 0 100px; width: 100%; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: #fff5f0; border: 1px solid #fed7aa; color: var(--primary-dark); padding: 8px 24px; border-radius: 50px; font-size: 14px; font-weight: 700; margin-bottom: 32px; animation: fadeInUp .8s ease; letter-spacing: 0.5px; }
.hero h1 { font-size: clamp(3rem, 7vw, 5.5rem); font-weight: 800; line-height: 1.05; margin-bottom: 24px; letter-spacing: -2px; animation: fadeInUp .8s .2s ease both; color: var(--light); }
.hero h1 span { background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero p { font-size: 1.25rem; color: var(--gray); max-width: 650px; margin: 0 auto 48px; line-height: 1.8; animation: fadeInUp .8s .4s ease both; font-weight: 400; }
.hero-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; animation: fadeInUp .8s .6s ease both; }
.btn-primary { background: var(--gradient); color: white; padding: 14px 32px; border-radius: 8px; font-weight: 600; text-decoration: none; font-size: 16px; box-shadow: var(--shadow-md); transition: all .3s ease; display: inline-flex; align-items: center; gap: 8px; border: 1px solid transparent; position: relative; overflow: hidden; }
.btn-primary::after { content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent); transition: left 0.7s ease; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); filter: brightness(105%); }
.btn-primary:hover::after { left: 100%; }
.btn-outline { background: transparent; color: var(--light); padding: 14px 32px; border-radius: 8px; font-weight: 600; text-decoration: none; font-size: 16px; border: 1.5px solid var(--border); transition: all .3s ease; display: inline-flex; align-items: center; gap: 8px; }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); background: #fff5f0; }
.hero-stats { display: flex; justify-content: center; gap: 60px; margin-top: 70px; animation: fadeInUp .8s .8s ease both; flex-wrap: wrap; }
.stat { text-align: center; }
.stat-num { font-size: 2.5rem; font-weight: 900; background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.stat-label { color: var(--gray); font-size: 14px; margin-top: 4px; }

/* SECTIONS */
section { padding: 110px 0; }
.section-badge { display: inline-flex; align-items: center; gap: 6px; background: #fff5f0; border: 1px solid #fed7aa; color: var(--primary-dark); padding: 6px 20px; border-radius: 50px; font-size: 14px; font-weight: 700; margin-bottom: 20px; letter-spacing: 0.5px; }
.section-title { font-size: clamp(2.2rem, 4vw, 3.2rem); font-weight: 800; margin-bottom: 20px; letter-spacing: -1.5px; color: var(--light); }
.section-title span { background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.section-sub { color: var(--gray); font-size: 1.15rem; line-height: 1.8; max-width: 650px; font-weight: 400; }
.text-center { text-align: center; }
.text-center .section-sub { margin: 0 auto; }

/* ABOUT */
.about { background: linear-gradient(180deg, var(--dark) 0%, var(--darker) 100%); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-img { position: relative; }
.about-img-main { width: 100%; border-radius: 20px; overflow: hidden; background: linear-gradient(135deg, var(--secondary), #0f2d4a); display: flex; align-items: center; justify-content: center; height: 420px; font-size: 120px; }
.about-badge-card { position: absolute; bottom: -20px; right: -20px; background: var(--gradient); border-radius: 16px; padding: 24px 32px; text-align: center; box-shadow: var(--shadow-hover); border: 4px solid white; }
.about-badge-card .num { font-size: 2rem; font-weight: 900; color: white; }
.about-badge-card .txt { font-size: 12px; color: rgba(255,255,255,0.9); }
.about-features { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 32px; }
.feat-item { display: flex; align-items: center; gap: 10px; color: #475569; font-size: 14px; font-weight: 500; }
.feat-item span { color: var(--primary); font-size: 18px; }

/* SERVICES */
.services { background: var(--darker); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 60px; }
.service-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 16px; padding: 40px 32px; transition: all .4s cubic-bezier(0.16, 1, 0.3, 1); position: relative; overflow: hidden; box-shadow: var(--shadow-sm); }
.service-card::before { content: ''; position: absolute; inset: 0; background: var(--gradient); opacity: 0; transition: opacity .5s; border-radius: 16px; }
.service-card:hover { transform: translateY(-6px); border-color: #fdba74; box-shadow: var(--shadow-hover); }
.service-card:hover::before { opacity: 0.02; }
.service-icon { width: 64px; height: 64px; background: #fff5f0; color: var(--primary); border-radius: 16px; display: flex; align-items: center; justify-content: center; font-size: 28px; margin-bottom: 24px; transition: all .4s; position: relative; z-index: 1; border: 1px solid #fed7aa; }
.service-card:hover .service-icon { background: var(--gradient); color: white; border-color: transparent; }
.service-card h3 { font-size: 1.35rem; font-weight: 800; margin-bottom: 12px; position: relative; z-index: 1; color: var(--light); letter-spacing: -0.5px; }
.service-card p { color: var(--gray); font-size: 1rem; line-height: 1.7; position: relative; z-index: 1; }
.service-card ul { list-style: none; margin-top: 16px; display: flex; flex-direction: column; gap: 8px; position: relative; z-index: 1; }
.service-card ul li { font-size: 13px; color: #475569; display: flex; align-items: center; gap: 8px; }
.service-card ul li::before { content: '✓'; color: var(--primary); font-weight: 700; }

/* PROCESS */
.process { background: var(--dark); }
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 60px; position: relative; }
.process-steps::before { content: ''; position: absolute; top: 40px; left: 12.5%; right: 12.5%; height: 2px; background: linear-gradient(90deg, var(--primary), #fbbf24); opacity: 0.3; }
.step { text-align: center; position: relative; }
.step-num { width: 80px; height: 80px; background: var(--gradient); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; font-weight: 900; margin: 0 auto 20px; box-shadow: 0 10px 30px rgba(249,115,22,0.3); position: relative; z-index: 1; }
.step h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; }
.step p { color: var(--gray); font-size: 13px; line-height: 1.6; }

/* PRODUCTS */
.products { background: var(--darker); }
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 60px; }
.product-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 16px; overflow: hidden; transition: all .4s cubic-bezier(0.16, 1, 0.3, 1); box-shadow: var(--shadow-sm); }
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: #fdba74; }
.product-img { height: 220px; display: flex; align-items: center; justify-content: center; font-size: 80px; background: linear-gradient(135deg, var(--secondary), #e2e8f0); overflow: hidden; }
.product-img img { transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1); }
.product-card:hover .product-img img { transform: scale(1.08); }
.product-info { padding: 32px 24px; }
.product-info h3 { font-size: 1.3rem; font-weight: 800; margin-bottom: 10px; color: var(--light); letter-spacing: -0.5px; }
.product-info p { color: var(--gray); font-size: 1rem; line-height: 1.6; margin-bottom: 0; }
.product-tag { display: inline-block; background: #fff5f0; color: var(--primary-dark); padding: 6px 16px; border-radius: 50px; font-size: 13px; font-weight: 700; margin-top: 20px; border: 1px solid #fed7aa; }

/* CALCULATOR */
.calculator { background: var(--dark); }
.calc-wrapper { background: var(--card-bg); border: 1px solid var(--border); border-radius: 24px; padding: 48px; max-width: 800px; margin: 60px auto 0; box-shadow: var(--shadow-lg); }
.calc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-size: 14px; font-weight: 600; color: #334155; }
.form-group input, .form-group select { background: rgba(0,0,0,0.02); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; color: var(--light); font-size: 15px; font-family: inherit; transition: border-color .3s; outline: none; }
.form-group input:focus, .form-group select:focus { border-color: var(--primary); }
.form-group select option { background: var(--dark); }
.calc-btn { grid-column: 1/-1; background: var(--gradient); color: white; border: none; padding: 16px; border-radius: 12px; font-size: 16px; font-weight: 700; cursor: pointer; transition: transform .3s, box-shadow .3s; font-family: inherit; }
.calc-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(249,115,22,0.4); }
.calc-results { display: none; margin-top: 32px; padding-top: 32px; border-top: 1px solid var(--border); }
.results-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.result-card { background: #fff5f0; border: 1px solid #fed7aa; border-radius: 16px; padding: 24px; text-align: center; box-shadow: var(--shadow-sm); }
.result-val { font-size: 1.8rem; font-weight: 800; background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.result-label { color: var(--gray); font-size: 13px; margin-top: 4px; }

/* PROJECTS */
.projects { background: var(--darker); }
.projects-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 60px; }
.project-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 16px; overflow: hidden; transition: all .4s cubic-bezier(0.16, 1, 0.3, 1); position: relative; box-shadow: var(--shadow-sm); }
.project-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: #fdba74; }
.project-thumb { height: 220px; display: flex; align-items: center; justify-content: center; font-size: 60px; background: linear-gradient(135deg, var(--secondary), #e2e8f0); position: relative; overflow: hidden; }
.project-thumb img { transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1); }
.project-card:hover .project-thumb img { transform: scale(1.08); }
.project-overlay { position: absolute; inset: 0; background: rgba(234, 88, 12, 0.9); display: flex; align-items: center; justify-content: center; opacity: 0; transition: opacity .3s; font-size: 40px; color: white; }
.project-card:hover .project-overlay { opacity: 1; }
.project-info { padding: 24px; }
.project-tag { font-size: 12px; font-weight: 800; color: var(--primary); text-transform: uppercase; letter-spacing: 1.5px; }
.project-info h3 { font-size: 1.2rem; font-weight: 800; margin: 8px 0 6px; color: var(--light); letter-spacing: -0.5px; }
.project-info p { color: var(--gray); font-size: 0.95rem; line-height: 1.6; margin-bottom: 0; }

/* TESTIMONIALS */
.testimonials { background: var(--dark); }
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 60px; }
.testi-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 20px; padding: 32px; transition: all .4s; }
.testi-card:hover { border-color: rgba(249,115,22,0.3); transform: translateY(-4px); }
.stars { color: #fbbf24; font-size: 18px; margin-bottom: 16px; letter-spacing: 2px; }
.testi-card p { color: #334155; font-size: 14px; line-height: 1.8; font-style: italic; }
.testi-author { display: flex; align-items: center; gap: 12px; margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--border); }
.author-avatar { width: 44px; height: 44px; background: var(--gradient); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 18px; font-weight: 700; }
.author-name { font-weight: 700; font-size: 15px; }
.author-role { color: var(--gray); font-size: 13px; }

/* CONTACT */
.contact { background: var(--darker); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 60px; margin-top: 60px; }
.contact-info { display: flex; flex-direction: column; gap: 24px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-item-icon { width: 50px; height: 50px; background: rgba(249,115,22,0.15); border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 22px; flex-shrink: 0; }
.contact-item h4 { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.contact-item p, .contact-item a { color: var(--gray); font-size: 14px; text-decoration: none; transition: color .3s; }
.contact-item a:hover { color: var(--primary); }
.contact-form-wrap { background: var(--card-bg); border: 1px solid var(--border); border-radius: 24px; padding: 48px; box-shadow: var(--shadow-lg); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.submit-btn { width: 100%; background: var(--gradient); color: white; border: none; padding: 14px; border-radius: 8px; font-size: 16px; font-weight: 600; cursor: pointer; transition: all .3s ease; font-family: inherit; margin-top: 8px; box-shadow: var(--shadow-md); }
.submit-btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); filter: brightness(105%); }
.form-msg { display: none; margin-top: 16px; padding: 16px; border-radius: 12px; font-weight: 600; text-align: center; }
.form-msg.success { background: rgba(34,197,94,0.15); border: 1px solid rgba(34,197,94,0.3); color: #4ade80; }

/* CTA BANNER */
.cta-banner { background: linear-gradient(135deg, var(--secondary) 0%, #e2e8f0 100%); padding: 80px 0; position: relative; overflow: hidden; }
.cta-banner::before { content: ''; position: absolute; top: -50%; right: -10%; width: 400px; height: 400px; background: var(--gradient); border-radius: 50%; opacity: 0.1; }
.cta-banner .container { text-align: center; position: relative; z-index: 1; }
.cta-banner h2 { font-size: 2.5rem; font-weight: 800; margin-bottom: 16px; }
.cta-banner p { color: #94a3b8; font-size: 1.05rem; margin-bottom: 36px; }

/* FOOTER */
footer { background: var(--darker); border-top: 1px solid var(--border); padding: 60px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand p { color: var(--gray); font-size: 14px; line-height: 1.7; margin-top: 16px; }
.footer-col h4 { font-size: 15px; font-weight: 700; margin-bottom: 20px; color: var(--light); }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { color: var(--gray); text-decoration: none; font-size: 14px; transition: color .3s; display: flex; align-items: center; gap: 6px; }
.footer-col ul li a:hover { color: var(--primary); }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.footer-bottom p { color: var(--gray); font-size: 13px; }
.social-links { display: flex; gap: 12px; }
.social-link { width: 38px; height: 38px; background: var(--card-bg); border: 1px solid var(--border); border-radius: 10px; display: flex; align-items: center; justify-content: center; text-decoration: none; font-size: 16px; transition: all .3s; }
.social-link:hover { background: var(--primary); border-color: var(--primary); transform: translateY(-3px); }

/* ANIMATIONS */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
.reveal { opacity: 0; transform: translateY(40px); transition: all .7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* WHATSAPP FLOAT */
.whatsapp-float { position: fixed; bottom: 30px; right: 30px; width: 56px; height: 56px; background: #25d366; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 28px; box-shadow: 0 8px 25px rgba(37,211,102,0.4); z-index: 999; text-decoration: none; transition: transform .3s; animation: pulse 2s infinite; }
.whatsapp-float:hover { transform: scale(1.1); }
@keyframes pulse { 0%, 100% { box-shadow: 0 8px 25px rgba(37,211,102,0.4); } 50% { box-shadow: 0 8px 40px rgba(37,211,102,0.7); } }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .services-grid, .products-grid, .projects-grid, .testi-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .process-steps::before { display: none; }
}
@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .nav-links.open { display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: rgba(255,255,255,0.98); padding: 24px; gap: 20px; border-bottom: 1px solid var(--border); box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1); }
  .services-grid, .products-grid, .projects-grid, .testi-grid, .results-grid { grid-template-columns: 1fr; }
  .form-row, .calc-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 30px; }
  .footer-grid { grid-template-columns: 1fr; }
  .topbar .container { justify-content: center; }
  .calc-wrapper { padding: 28px 20px; }
}