/* ==========================================
   A-BORN — Main Stylesheet
   ========================================== */

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

:root {
    --blue: #0071e3;
    --blue-dark: #0057b7;
    --blue-light: #e8f1fd;
    --text: #1d1d1f;
    --text-secondary: #6e6e73;
    --bg: #ffffff;
    --bg-gray: #f5f5f7;
    --border: #d2d2d7;
    --radius: 12px;
    --radius-lg: 20px;
    --shadow: 0 4px 24px rgba(0,0,0,.08);
    --shadow-lg: 0 8px 40px rgba(0,0,0,.12);
    --transition: .25s ease;
    --whatsapp: #25D366;
    --whatsapp-dark: #128C7E;
}

html { scroll-behavior: smooth; }
body { font-family: 'Inter', -apple-system, sans-serif; color: var(--text); background: var(--bg); line-height: 1.6; font-size: 16px; }
img { max-width: 100%; display: block; }
a { color: var(--blue); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--blue-dark); }
ul { list-style: none; }

.container { max-width: 1160px; margin: 0 auto; padding: 0 20px; }
.section { padding: 80px 0; }
.section-gray { background: var(--bg-gray); }
.section-blue { background: var(--blue); color: #fff; }
.section-blue h2, .section-blue p { color: #fff; }

.section-header { text-align: center; margin-bottom: 56px; }
.section-header h2 { font-size: 36px; font-weight: 700; margin-bottom: 12px; }
.section-header p { font-size: 18px; color: var(--text-secondary); max-width: 540px; margin: 0 auto; }
.section-blue .section-header p { color: rgba(255,255,255,.8); }

.text-center { text-align: center; }
.mt-40 { margin-top: 40px; }

/* ==========================================
   BUTTONS
   ========================================== */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 24px; border-radius: var(--radius);
    font-size: 15px; font-weight: 600; cursor: pointer;
    border: 2px solid transparent; transition: all var(--transition);
    text-decoration: none; white-space: nowrap;
}
.btn-lg { padding: 16px 32px; font-size: 16px; }
.btn-sm { padding: 8px 16px; font-size: 14px; }
.btn-block { width: 100%; justify-content: center; }

.btn-primary { background: var(--blue); color: #fff; border-color: var(--blue); }
.btn-primary:hover { background: var(--blue-dark); border-color: var(--blue-dark); color: #fff; }

.btn-outline { background: transparent; color: var(--blue); border-color: var(--blue); }
.btn-outline:hover { background: var(--blue); color: #fff; }

.btn-white { background: #fff; color: var(--blue); border-color: #fff; }
.btn-white:hover { background: var(--blue-light); color: var(--blue-dark); }

.btn-whatsapp { background: var(--whatsapp); color: #fff; border-color: var(--whatsapp); }
.btn-whatsapp:hover { background: var(--whatsapp-dark); border-color: var(--whatsapp-dark); color: #fff; }

.btn-telegram { background: #0088cc; color: #fff; border-color: #0088cc; }
.btn-telegram:hover { background: #0077aa; color: #fff; }

/* ==========================================
   HEADER
   ========================================== */
.header {
    position: sticky; top: 0; z-index: 100;
    background: rgba(255,255,255,.9); backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; gap: 32px; height: 64px; }
.logo { display: flex; align-items: center; gap: 12px; text-decoration: none; flex-shrink: 0; }
.logo-icon {
    width: 40px; height: 40px; background: var(--blue); color: #fff;
    border-radius: 10px; display: flex; align-items: center; justify-content: center;
    font-size: 20px; font-weight: 800;
}
.logo-name { display: block; font-size: 18px; font-weight: 800; color: var(--text); line-height: 1; }
.logo-sub { display: block; font-size: 10px; color: var(--text-secondary); font-weight: 500; letter-spacing: .03em; }

.nav { flex: 1; }
.nav-list { display: flex; gap: 4px; }
.nav-list a { padding: 8px 14px; border-radius: 8px; font-size: 14px; font-weight: 500; color: var(--text); transition: all var(--transition); }
.nav-list a:hover, .nav-list a.active { background: var(--blue-light); color: var(--blue); }

.header-contacts { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.header-phone { display: flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; color: var(--text); }
.header-phone i { color: var(--blue); }
.header-whatsapp { width: 36px; height: 36px; background: var(--whatsapp); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 18px; }
.header-whatsapp:hover { background: var(--whatsapp-dark); color: #fff; }

.mobile-menu-btn { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.mobile-menu-btn span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: all var(--transition); }

/* ==========================================
   MOBILE MENU
   ========================================== */
.mobile-menu-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 200; }
.mobile-menu {
    display: none; position: fixed; top: 0; right: -300px; width: 280px; height: 100vh;
    background: #fff; z-index: 201; padding: 20px; flex-direction: column;
    transition: right .3s ease; overflow-y: auto;
}
.mobile-menu.open { right: 0; display: flex; }
.mobile-menu-overlay.open { display: block; }
.mobile-menu-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
.mobile-menu-close { background: none; border: none; font-size: 20px; cursor: pointer; color: var(--text); }
.mobile-nav ul { display: flex; flex-direction: column; gap: 4px; }
.mobile-nav a { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-radius: 10px; color: var(--text); font-weight: 500; transition: background var(--transition); }
.mobile-nav a:hover { background: var(--blue-light); color: var(--blue); }
.mobile-nav i { width: 20px; color: var(--blue); }
.mobile-menu-contacts { margin-top: auto; padding-top: 24px; border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: 12px; }
.mobile-phone, .mobile-whatsapp { display: flex; align-items: center; gap: 8px; padding: 12px 16px; border-radius: 10px; font-weight: 600; }
.mobile-phone { background: var(--blue-light); color: var(--blue); }
.mobile-whatsapp { background: var(--whatsapp); color: #fff; }

/* ==========================================
   HERO
   ========================================== */
.hero { padding: 80px 0 60px; background: linear-gradient(135deg, #f0f4ff 0%, #fff 60%); }
.hero-content { display: grid; grid-template-columns: 1fr 400px; gap: 60px; align-items: center; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: var(--blue-light); color: var(--blue); padding: 8px 16px; border-radius: 24px; font-size: 14px; font-weight: 600; margin-bottom: 20px; }
.hero h1 { font-size: 44px; font-weight: 800; line-height: 1.2; margin-bottom: 20px; letter-spacing: -.02em; }
.hero-description { font-size: 18px; color: var(--text-secondary); margin-bottom: 28px; }
.hero-features { display: flex; flex-direction: column; gap: 10px; margin-bottom: 32px; }
.hero-feature { display: flex; align-items: center; gap: 10px; font-size: 15px; font-weight: 500; }
.hero-feature i { color: var(--blue); font-size: 18px; }
.hero-buttons { display: flex; gap: 12px; flex-wrap: wrap; }

.hero-form-wrapper { background: #fff; border-radius: var(--radius-lg); padding: 36px; box-shadow: var(--shadow-lg); }
.hero-form-wrapper h3 { font-size: 22px; font-weight: 700; margin-bottom: 8px; }
.hero-form-wrapper p { color: var(--text-secondary); margin-bottom: 24px; font-size: 14px; }

/* ==========================================
   PAGE HERO
   ========================================== */
.page-hero { background: linear-gradient(135deg, #f0f4ff 0%, #fff 100%); padding: 60px 0 50px; text-align: center; border-bottom: 1px solid var(--border); }
.page-hero h1 { font-size: 42px; font-weight: 800; margin-bottom: 12px; }
.page-hero p { font-size: 18px; color: var(--text-secondary); }

/* ==========================================
   FORMS
   ========================================== */
.hp-field { position: absolute; left: -9999px; opacity: 0; pointer-events: none; }
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; color: var(--text); }
.required { color: #e53e3e; }
.form-control {
    width: 100%; padding: 12px 16px; border: 1.5px solid var(--border);
    border-radius: var(--radius); font-size: 15px; font-family: inherit;
    transition: border-color var(--transition), box-shadow var(--transition);
    background: #fff; color: var(--text);
}
.form-control:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(0,113,227,.15); }
select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 100px; }
.form-card { background: #fff; border-radius: var(--radius-lg); padding: 36px; box-shadow: var(--shadow); }
.form-card h3 { font-size: 22px; font-weight: 700; margin-bottom: 8px; }
.form-card p { color: var(--text-secondary); font-size: 14px; margin-bottom: 24px; }

.form-success { text-align: center; padding: 32px 20px; }
.form-success i { font-size: 48px; color: #38a169; margin-bottom: 16px; }
.form-success h4 { font-size: 22px; font-weight: 700; margin-bottom: 8px; }
.form-success p { color: var(--text-secondary); }

/* ==========================================
   PROBLEMS
   ========================================== */
.problems-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.problem-card { background: #fff; border-radius: var(--radius); padding: 24px; display: flex; align-items: flex-start; gap: 16px; box-shadow: var(--shadow); }
.problem-icon { width: 44px; height: 44px; background: #fff0f0; color: #e53e3e; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 20px; flex-shrink: 0; }
.problem-card p { font-size: 15px; line-height: 1.5; }

/* ==========================================
   SERVICES
   ========================================== */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card { background: #fff; border-radius: var(--radius-lg); padding: 32px; box-shadow: var(--shadow); transition: transform var(--transition), box-shadow var(--transition); }
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.service-icon { width: 60px; height: 60px; background: var(--blue-light); color: var(--blue); border-radius: 16px; display: flex; align-items: center; justify-content: center; font-size: 26px; margin-bottom: 20px; }
.service-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 12px; }
.service-card p { color: var(--text-secondary); font-size: 15px; margin-bottom: 24px; }

/* ==========================================
   STEPS
   ========================================== */
.steps-container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step-card { background: #fff; border-radius: var(--radius-lg); padding: 28px; text-align: center; box-shadow: var(--shadow); }
.step-number { width: 52px; height: 52px; background: var(--blue); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 22px; font-weight: 800; margin: 0 auto 16px; }
.step-card h4 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.step-card p { color: var(--text-secondary); font-size: 14px; }

/* ==========================================
   STATS
   ========================================== */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-card { text-align: center; padding: 32px 20px; }
.stat-number { font-size: 48px; font-weight: 800; color: var(--blue); line-height: 1; margin-bottom: 8px; }
.stat-label { font-size: 15px; color: var(--text-secondary); }

/* ==========================================
   CTA
   ========================================== */
.cta-block { text-align: center; padding: 20px; }
.cta-block h2 { font-size: 36px; font-weight: 800; margin-bottom: 16px; }
.cta-block p { font-size: 18px; margin-bottom: 36px; opacity: .9; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ==========================================
   ABOUT
   ========================================== */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.about-text h2 { font-size: 32px; font-weight: 800; margin-bottom: 20px; }
.about-text p { color: var(--text-secondary); margin-bottom: 16px; font-size: 16px; }
.about-values { display: flex; flex-direction: column; gap: 20px; }
.value-card { display: flex; align-items: flex-start; gap: 16px; background: #fff; border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.value-icon { width: 44px; height: 44px; background: var(--blue-light); color: var(--blue); border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 20px; flex-shrink: 0; }
.value-card h4 { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.value-card p { color: var(--text-secondary); font-size: 14px; }

.founder-block { display: flex; gap: 40px; align-items: flex-start; background: #fff; border-radius: var(--radius-lg); padding: 40px; box-shadow: var(--shadow); }
.founder-avatar { width: 100px; height: 100px; background: var(--blue-light); color: var(--blue); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 40px; flex-shrink: 0; }
.founder-info h3 { font-size: 24px; font-weight: 800; margin-bottom: 4px; }
.founder-title { color: var(--blue); font-weight: 600; margin-bottom: 16px; }
.founder-info p { color: var(--text-secondary); margin-bottom: 12px; }
.founder-contacts { display: flex; gap: 12px; margin-top: 20px; flex-wrap: wrap; }

/* ==========================================
   TWO-COL LAYOUT
   ========================================== */
.two-col { display: grid; grid-template-columns: 1fr 400px; gap: 60px; align-items: start; }
.col-content h2 { font-size: 32px; font-weight: 800; margin-bottom: 24px; }
.check-list { display: flex; flex-direction: column; gap: 20px; margin-bottom: 32px; }
.check-item { display: flex; gap: 16px; align-items: flex-start; }
.check-item i { color: var(--blue); font-size: 22px; flex-shrink: 0; margin-top: 2px; }
.check-item strong { display: block; font-size: 16px; margin-bottom: 4px; }
.check-item p { color: var(--text-secondary); font-size: 14px; }
.info-box { display: flex; gap: 16px; align-items: flex-start; background: var(--blue-light); border-radius: var(--radius); padding: 20px; }
.info-box i { color: var(--blue); font-size: 24px; flex-shrink: 0; }
.info-box strong { display: block; margin-bottom: 4px; }
.info-box p { color: var(--text-secondary); font-size: 14px; }

/* ==========================================
   AUDIENCE
   ========================================== */
.audience-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.audience-card { background: #fff; border-radius: var(--radius-lg); padding: 32px; text-align: center; box-shadow: var(--shadow); }
.audience-card i { font-size: 36px; color: var(--blue); margin-bottom: 16px; }
.audience-card h4 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.audience-card p { color: var(--text-secondary); font-size: 15px; }

/* ==========================================
   SERVICES DETAIL (implementation)
   ========================================== */
.services-detail-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-detail-card { background: #fff; border-radius: var(--radius-lg); padding: 32px; box-shadow: var(--shadow); }
.service-detail-icon { width: 64px; height: 64px; background: var(--blue-light); color: var(--blue); border-radius: 16px; display: flex; align-items: center; justify-content: center; font-size: 28px; margin-bottom: 20px; }
.service-detail-card h3 { font-size: 22px; font-weight: 700; margin-bottom: 16px; }
.service-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }
.service-list li { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; }
.service-list i { color: var(--blue); margin-top: 2px; flex-shrink: 0; }
.service-result { background: var(--blue-light); border-radius: 10px; padding: 12px 16px; font-size: 14px; }
.service-result strong { color: var(--blue); }

/* ==========================================
   FORMATS
   ========================================== */
.formats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.format-card { background: #fff; border-radius: var(--radius-lg); padding: 32px; box-shadow: var(--shadow); position: relative; }
.format-featured { border: 2px solid var(--blue); }
.format-badge { position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: var(--blue); color: #fff; padding: 4px 16px; border-radius: 20px; font-size: 13px; font-weight: 600; white-space: nowrap; }
.format-card h3 { font-size: 22px; font-weight: 800; margin-bottom: 8px; }
.format-duration { font-size: 14px; color: var(--blue); font-weight: 600; margin-bottom: 20px; }
.format-card ul { margin-bottom: 24px; display: flex; flex-direction: column; gap: 8px; }
.format-card li { font-size: 14px; padding-left: 16px; position: relative; color: var(--text-secondary); }
.format-card li::before { content: '—'; position: absolute; left: 0; color: var(--blue); }

/* ==========================================
   CASES
   ========================================== */
.cases-grid { display: flex; flex-direction: column; gap: 32px; }
.case-card { background: #fff; border-radius: var(--radius-lg); padding: 36px; box-shadow: var(--shadow); }
.case-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.case-industry { display: flex; align-items: center; gap: 8px; color: var(--blue); font-weight: 600; font-size: 14px; }
.case-duration { background: var(--blue-light); color: var(--blue); padding: 4px 12px; border-radius: 20px; font-size: 13px; font-weight: 600; }
.case-card h3 { font-size: 22px; font-weight: 700; margin-bottom: 24px; }
.case-problem, .case-solution, .case-results { margin-bottom: 24px; }
.case-problem h4, .case-solution h4, .case-results h4 { display: flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 700; margin-bottom: 10px; }
.case-problem h4 i { color: #e53e3e; }
.case-solution h4 i { color: var(--blue); }
.case-results h4 i { color: #38a169; }
.case-problem p { color: var(--text-secondary); font-size: 15px; }
.case-solution ul { display: flex; flex-direction: column; gap: 8px; }
.case-solution li { font-size: 14px; color: var(--text-secondary); padding-left: 16px; position: relative; }
.case-solution li::before { content: '→'; position: absolute; left: 0; color: var(--blue); }
.results-grid { display: flex; gap: 24px; flex-wrap: wrap; }
.result-item { text-align: center; }
.result-number { font-size: 36px; font-weight: 800; color: var(--blue); line-height: 1; }
.result-label { font-size: 13px; color: var(--text-secondary); margin-top: 4px; }

/* ==========================================
   CONTACTS
   ========================================== */
.contacts-grid { display: grid; grid-template-columns: 1fr 400px; gap: 60px; }
.contacts-info h2 { font-size: 32px; font-weight: 800; margin-bottom: 32px; }
.contact-item { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 24px; }
.contact-icon { width: 48px; height: 48px; background: var(--blue-light); color: var(--blue); border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 20px; flex-shrink: 0; }
.contact-icon.whatsapp { background: #e8fdf0; color: var(--whatsapp); }
.contact-icon.telegram { background: #e8f4ff; color: #0088cc; }
.contact-icon.instagram { background: #fdf0ff; color: #e1306c; }
.contact-detail h4 { font-size: 14px; font-weight: 600; color: var(--text-secondary); margin-bottom: 4px; }
.contact-detail a { font-size: 16px; font-weight: 600; color: var(--text); }
.contact-detail a:hover { color: var(--blue); }
.contact-detail p { font-size: 13px; color: var(--text-secondary); margin-top: 2px; }
.quick-buttons { display: flex; gap: 12px; margin-top: 32px; flex-wrap: wrap; }
.contacts-form-col {}

/* ==========================================
   FOOTER
   ========================================== */
.footer { background: #1d1d1f; color: #fff; padding: 60px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; margin-bottom: 40px; }
.footer-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer-logo .logo-icon { background: var(--blue); }
.footer-logo .logo-name { color: #fff; }
.footer-logo .logo-sub { color: rgba(255,255,255,.5); }
.footer-about { color: rgba(255,255,255,.6); font-size: 14px; margin-bottom: 20px; line-height: 1.6; }
.footer-social { display: flex; gap: 10px; }
.footer-social a { width: 36px; height: 36px; background: rgba(255,255,255,.1); color: #fff; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 16px; transition: background var(--transition); }
.footer-social a:hover { background: var(--blue); }
.footer-col h4 { font-size: 14px; font-weight: 700; color: rgba(255,255,255,.5); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 16px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: rgba(255,255,255,.7); font-size: 14px; transition: color var(--transition); }
.footer-links a:hover { color: #fff; }
.footer-contacts { display: flex; flex-direction: column; gap: 12px; }
.footer-contacts li { display: flex; align-items: flex-start; gap: 10px; }
.footer-contacts i { color: var(--blue); margin-top: 2px; flex-shrink: 0; width: 16px; }
.footer-contacts a, .footer-contacts span { color: rgba(255,255,255,.7); font-size: 14px; }
.footer-contacts a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; }
.footer-bottom p { color: rgba(255,255,255,.4); font-size: 13px; }

/* ==========================================
   WHATSAPP FLOAT
   ========================================== */
.whatsapp-float {
    position: fixed; bottom: 28px; right: 28px; z-index: 90;
    width: 56px; height: 56px; background: var(--whatsapp); color: #fff;
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    font-size: 28px; box-shadow: 0 4px 20px rgba(37,211,102,.4);
    transition: transform var(--transition), box-shadow var(--transition);
}
.whatsapp-float:hover { transform: scale(1.1); color: #fff; box-shadow: 0 8px 30px rgba(37,211,102,.5); }
.whatsapp-tooltip {
    position: absolute; right: 66px; white-space: nowrap;
    background: #333; color: #fff; padding: 6px 12px; border-radius: 8px;
    font-size: 13px; font-weight: 600; opacity: 0; pointer-events: none;
    transition: opacity var(--transition);
}
.whatsapp-float:hover .whatsapp-tooltip { opacity: 1; }

/* ==========================================
   MODAL
   ========================================== */
.modal-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,.6); z-index: 300;
    display: flex; align-items: center; justify-content: center; padding: 20px;
}
.modal-box {
    background: #fff; border-radius: var(--radius-lg); padding: 40px;
    width: 100%; max-width: 440px; position: relative; max-height: 90vh; overflow-y: auto;
}
.modal-close-btn {
    position: absolute; top: 16px; right: 16px; background: var(--bg-gray);
    border: none; width: 32px; height: 32px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center; cursor: pointer; font-size: 16px;
}
.modal-box h3 { font-size: 22px; font-weight: 700; margin-bottom: 8px; }
.modal-box p { color: var(--text-secondary); font-size: 14px; margin-bottom: 24px; }

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (max-width: 1024px) {
    .hero-content { grid-template-columns: 1fr; }
    .hero-form-wrapper { max-width: 500px; }
    .hero h1 { font-size: 36px; }
    .services-detail-grid { grid-template-columns: 1fr; }
    .services-detail-grid > *:not(:last-child) { margin-bottom: 0; }
    .formats-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .section { padding: 56px 0; }
    .section-header h2 { font-size: 28px; }
    .hero { padding: 48px 0 40px; }
    .hero h1 { font-size: 30px; }
    .page-hero h1 { font-size: 30px; }
    .cta-block h2 { font-size: 26px; }

    .nav, .header-contacts { display: none; }
    .mobile-menu-btn { display: flex; margin-left: auto; }

    .problems-grid { grid-template-columns: 1fr; }
    .services-grid { grid-template-columns: 1fr; }
    .steps-container { grid-template-columns: 1fr 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .audience-grid { grid-template-columns: 1fr; }
    .about-grid { grid-template-columns: 1fr; }
    .two-col { grid-template-columns: 1fr; }
    .contacts-grid { grid-template-columns: 1fr; }
    .founder-block { flex-direction: column; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
    .hero-buttons { flex-direction: column; }
    .cta-buttons { flex-direction: column; align-items: center; }
    .results-grid { gap: 16px; }
}

@media (max-width: 480px) {
    .steps-container { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .hero-form-wrapper { padding: 24px; }
    .form-card { padding: 24px; }
    .case-card { padding: 24px; }
}