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

:root {
    --green: #00aaff;
    --green-dark: #0088cc;
    --dark: #1a1a2e;
    --gray-900: #212121;
    --gray-700: #555;
    --gray-500: #888;
    --gray-300: #ccc;
    --gray-100: #f5f5f5;
    --white: #fff;
    --radius: 16px;
    --shadow: 0 2px 16px rgba(0,0,0,.06);
    --shadow-lg: 0 8px 32px rgba(0,0,0,.1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

body { font-family: var(--font); color: var(--gray-900); line-height: 1.6; background: var(--gray-100); }
.container { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* BUTTONS */
.btn { display: inline-block; padding: 14px 32px; border-radius: 12px; font-weight: 600; font-size: 15px; cursor: pointer; border: none; transition: .2s; text-align: center; }
.btn-primary { background: var(--green); color: var(--white); }
.btn-primary:hover { background: var(--green-dark); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(0,170,255,.35); }
.btn-outline { background: transparent; color: var(--green); border: 2px solid var(--green); }
.btn-outline:hover { background: var(--green); color: var(--white); }
.btn-full { width: 100%; }

/* HEADER */
.header { background: var(--white); position: sticky; top: 0; z-index: 100; box-shadow: 0 1px 4px rgba(0,0,0,.06); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon { font-size: 24px; }
.logo-text { font-weight: 700; font-size: 17px; color: var(--dark); }
.logo-sub { font-weight: 400; font-size: 13px; color: var(--gray-500); margin-left: 4px; }
.nav { display: flex; align-items: center; gap: 28px; font-size: 15px; }
.nav a { color: var(--gray-700); transition: .2s; }
.nav a:hover { color: var(--green); }
.nav-cta { background: var(--green); color: var(--white) !important; padding: 8px 20px; border-radius: 10px; }
.nav-cta:hover { background: var(--green-dark); }
.burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.burger span { width: 24px; height: 2px; background: var(--gray-900); border-radius: 2px; transition: .3s; }

/* HERO */
.hero { padding: 60px 0 80px; background: linear-gradient(135deg, #f0f9ff 0%, #e6f7ff 100%); }
.hero-grid { display: grid; grid-template-columns: 1fr 420px; gap: 60px; align-items: center; }
.hero-badge { display: inline-block; background: var(--green); color: var(--white); padding: 6px 16px; border-radius: 20px; font-size: 13px; font-weight: 600; margin-bottom: 20px; }
.hero h1 { font-size: 42px; font-weight: 800; line-height: 1.15; color: var(--dark); margin-bottom: 20px; }
.hero-desc { font-size: 17px; color: var(--gray-700); margin-bottom: 32px; max-width: 480px; }
.hero-stats { display: flex; gap: 36px; margin-bottom: 36px; }
.stat strong { display: block; font-size: 28px; color: var(--green); font-weight: 700; }
.stat span { font-size: 13px; color: var(--gray-500); }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-photo { border-radius: var(--radius); box-shadow: var(--shadow-lg); aspect-ratio: 3/4; object-fit: cover; }

/* SECTION */
.section-header { text-align: center; margin-bottom: 48px; }
.section-tag { display: inline-block; background: rgba(0,170,255,.1); color: var(--green); padding: 6px 18px; border-radius: 20px; font-size: 14px; font-weight: 600; margin-bottom: 12px; }
.section-header h2 { font-size: 32px; font-weight: 700; color: var(--dark); margin-bottom: 10px; }
.section-desc { color: var(--gray-500); font-size: 16px; }

/* ABOUT */
.about { padding: 80px 0; background: var(--white); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.about-main img { border-radius: var(--radius); box-shadow: var(--shadow); }
.about-info h3 { font-size: 24px; font-weight: 700; margin-bottom: 12px; color: var(--dark); }
.lead { font-size: 17px; color: var(--gray-700); margin-bottom: 20px; }
.achievements-list { list-style: none; margin-bottom: 20px; }
.achievements-list li { padding: 8px 0; font-size: 15px; border-bottom: 1px solid var(--gray-100); }
.about-text { color: var(--gray-700); }

/* SERVICES */
.services { padding: 80px 0; }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card { background: var(--white); padding: 32px; border-radius: var(--radius); box-shadow: var(--shadow); transition: .25s; }
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.service-icon { font-size: 40px; margin-bottom: 16px; }
.service-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 10px; color: var(--dark); }
.service-card p { font-size: 14px; color: var(--gray-500); line-height: 1.6; }

/* RESULTS */
.results { padding: 80px 0; background: var(--white); }
.results-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.result-card { background: var(--gray-100); padding: 28px; border-radius: var(--radius); text-align: center; position: relative; }
.result-highlight { background: linear-gradient(135deg, var(--green), var(--green-dark)); color: var(--white); grid-column: span 1; }
.result-special { background: linear-gradient(135deg, #1a1a2e, #16213e); color: var(--white); }
.result-badge { position: absolute; top: 12px; right: 12px; background: rgba(255,255,255,.2); padding: 4px 10px; border-radius: 8px; font-size: 12px; font-weight: 600; }
.result-before { font-size: 28px; font-weight: 800; }
.result-arrow { font-size: 20px; opacity: .6; margin: 6px 0; }
.result-after { font-size: 28px; font-weight: 800; }
.result-detail { font-size: 14px; margin-top: 8px; opacity: .8; }

/* PRICING */
.pricing { padding: 80px 0; }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.price-card { background: var(--white); padding: 36px; border-radius: var(--radius); box-shadow: var(--shadow); text-align: center; position: relative; transition: .25s; }
.price-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.price-popular { border: 2px solid var(--green); transform: scale(1.03); }
.price-popular:hover { transform: scale(1.03) translateY(-4px); }
.price-popular-badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--green); color: var(--white); padding: 4px 16px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.price-title { font-size: 18px; font-weight: 600; margin-bottom: 16px; }
.price-value { font-size: 36px; font-weight: 800; color: var(--green); margin-bottom: 4px; }
.price-save { font-size: 13px; color: #22c55e; margin-bottom: 16px; }
.price-features { list-style: none; text-align: left; margin: 20px 0; }
.price-features li { padding: 6px 0; font-size: 14px; color: var(--gray-700); border-bottom: 1px solid var(--gray-100); }

/* CALCULATOR */
.calculator { padding: 80px 0; background: var(--white); }
.calc-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; max-width: 800px; margin: 0 auto; }
.calc-form { display: flex; flex-direction: column; gap: 20px; }
.calc-field label { display: block; font-size: 14px; font-weight: 500; margin-bottom: 6px; color: var(--gray-700); }
.calc-field select, .calc-field input[type="number"] { width: 100%; padding: 12px 16px; border: 1px solid var(--gray-300); border-radius: 10px; font-size: 15px; font-family: var(--font); }
.calc-field select:focus, .calc-field input:focus { outline: none; border-color: var(--green); }
.range-value { display: block; text-align: right; font-size: 13px; color: var(--gray-500); margin-top: 4px; }
.calc-result { background: var(--gray-100); padding: 36px; border-radius: var(--radius); text-align: center; display: flex; flex-direction: column; justify-content: center; gap: 16px; }
.calc-total { font-size: 24px; }
.calc-total strong { font-size: 40px; color: var(--green); }
.calc-details { text-align: left; }
.calc-row { display: flex; justify-content: space-between; padding: 8px 0; font-size: 14px; border-bottom: 1px solid var(--gray-300); }
.calc-row:last-child { border: none; }

/* CONTACT */
.contact { padding: 80px 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.contact-item { display: flex; gap: 16px; margin-bottom: 24px; }
.contact-icon { font-size: 28px; }
.contact-item strong { display: block; margin-bottom: 4px; }
.contact-item p { font-size: 14px; color: var(--gray-700); }
.contact-social { display: flex; gap: 12px; margin-top: 32px; }
.contact-social a { background: var(--green); color: var(--white); padding: 10px 20px; border-radius: 10px; font-size: 14px; font-weight: 500; transition: .2s; }
.contact-social a:hover { background: var(--green-dark); }
.contact-form-box { background: var(--white); padding: 36px; border-radius: var(--radius); box-shadow: var(--shadow); }
.success-message { background: #dcfce7; color: #166534; padding: 16px; border-radius: 12px; margin-bottom: 20px; font-weight: 500; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; font-weight: 500; margin-bottom: 6px; }
.form-group input, .form-group textarea { width: 100%; padding: 12px 16px; border: 1px solid var(--gray-300); border-radius: 10px; font-size: 15px; font-family: var(--font); }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--green); }

/* FOOTER */
.footer { background: var(--dark); color: var(--gray-300); padding: 60px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .logo-text { color: var(--white); }
.footer-brand p { margin-top: 12px; font-size: 14px; }
.footer-links, .footer-info { display: flex; flex-direction: column; gap: 8px; }
.footer-links strong, .footer-info strong { color: var(--white); margin-bottom: 4px; }
.footer-links a { color: var(--gray-300); font-size: 14px; transition: .2s; }
.footer-links a:hover { color: var(--green); }
.footer-bottom { text-align: center; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.1); font-size: 14px; }

/* RESPONSIVE */
@media (max-width: 900px) {
    .hero-grid { grid-template-columns: 1fr; }
    .hero-image { order: -1; }
    .hero-photo { max-width: 320px; margin: 0 auto; }
    .about-grid { grid-template-columns: 1fr; }
    .services-grid, .results-grid, .pricing-grid { grid-template-columns: 1fr 1fr; }
    .contact-grid, .calc-wrapper { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
    .nav { display: none; position: fixed; top: 64px; left: 0; right: 0; bottom: 0; background: var(--white); flex-direction: column; padding: 40px; gap: 24px; font-size: 18px; }
    .nav.open { display: flex; }
    .burger { display: flex; }
    .hero h1 { font-size: 28px; }
    .hero-stats { gap: 20px; }
    .stat strong { font-size: 22px; }
    .services-grid, .results-grid, .pricing-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .hero-actions { flex-direction: column; }
    .btn { width: 100%; text-align: center; }
}