/* --- СИСТЕМА ДИЗАЙНА v3.5 (iOS-стиль) --- */
:root {
    /* Системный шрифт, как в iOS/macOS */
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --background-color: #ffffff;
    --background-light-gray: #f7f8fa;
    --text-color: #1d1d1f;
    --text-color-light: #5f6368;
    --accent-color: #008575;
    --accent-color-hover: #00695c;
    --card-background: #ffffff;
    --header-background: rgba(255, 255, 255, 0.8);
    --header-border: #e8e8e8;
    --border-color: #dfe1e5;
    --success-color: #2e7d32;
    --error-color: #d32f2f;
}
/* --- ОБЩИЕ СТИЛИ --- */
body {
    font-family: var(--font-family);
    margin: 0;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}
html { scroll-behavior: smooth; }
img, svg { max-width: 100%; height: auto; display: block; }
.container { max-width: 1140px; margin: 0 auto; padding: 0 20px; }
h1, h2, h3, h4 {
    font-family: var(--font-family);
    line-height: 1.3;
    font-weight: 600;
    letter-spacing: -0.01em; 
    text-wrap: balance;
}
section { padding: 90px 0; }
a { color: var(--accent-color); text-decoration: none; transition: color 0.3s ease; }
a:hover { color: var(--accent-color-hover); text-decoration: none; }
.section-title { font-size: 2.5em; margin-bottom: 20px; color: #000; font-weight: 700; text-align: center; }
.section-subtitle { text-align: center; font-size: 1.1em; color: var(--text-color-light); margin-top: 0; margin-bottom: 60px; max-width: 700px; margin-left: auto; margin-right: auto; }
/* --- ШАПКА САЙТА --- */
.main-nav { background-color: var(--header-background); backdrop-filter: blur(15px); -webkit-backdrop-filter: blur(15px); border-bottom: 1px solid var(--header-border); position: sticky; top: 0; z-index: 100; }
.nav-content { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    height: 96px;
}
.logo { display: flex; align-items: center; gap: 15px; text-decoration: none; }
.logo .logo-header { 
    height: 72px;
    width: auto; 
}
.logo span { font-size: 1.2em; font-weight: 600; color: var(--text-color); }
.nav-links { list-style: none; margin: 0; padding: 0; display: flex; gap: 40px; }
.nav-links a { color: var(--text-color); text-decoration: none; font-size: 1em; font-weight: 500; }
.nav-links a:hover { color: var(--accent-color); }
.nav-contact a { font-weight: 500; text-decoration: none; font-size: 1.1em; color: var(--text-color); }
/* --- ГЛАВНЫЙ ЭКРАН (HERO) --- */
.hero { background: linear-gradient(rgba(0, 0, 0, 0.55), rgba(0, 0, 0, 0.55)), url('images/hero-background.jpg') no-repeat center center/cover; color: #fff; padding: 140px 0; text-align: left; }
.hero-content { display: flex; align-items: center; min-height: 45vh; }
.hero-text { max-width: 700px; }
.hero h1 { font-size: 3.5em; font-weight: 700; margin-bottom: 20px; line-height: 1.2; letter-spacing: -0.02em; }
.hero-subtitle { font-size: 1.2em; margin-bottom: 40px; opacity: 0.95; max-width: 550px; }
.btn { display: inline-block; background-color: var(--accent-color); color: #fff; padding: 16px 36px; border-radius: 12px; font-weight: 500; font-size: 1.05em; transition: all 0.3s ease; border: none; cursor: pointer; text-decoration: none; box-shadow: 0 4px 15px rgba(0, 133, 117, 0.2); }
.btn:hover { background-color: var(--accent-color-hover); transform: translateY(-3px); box-shadow: 0 7px 20px rgba(0, 133, 117, 0.3); }
.btn:disabled { background-color: #86868b; cursor: not-allowed; opacity: 0.8; box-shadow: none; transform: none; }

/* --- ПРЕИМУЩЕСТВА (FEATURES) - ИСПРАВЛЕННАЯ ВЕРСИЯ --- */
.features { 
    background-color: var(--background-color); 
}
.features-grid { 
    display: grid; 
    grid-template-columns: repeat(4, 1fr); 
    gap: 30px;
    align-items: stretch; 
}
.feature-item { 
    background-color: var(--card-background); 
    padding: 30px; 
    border-radius: 20px; 
    border: 1px solid #f0f0f0; 
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    text-align: left;
}
.feature-item:hover { 
    transform: translateY(-8px); 
    box-shadow: 0 12px 35px rgba(0,0,0,0.08); 
}
.feature-item img { 
    width: 100%; 
    height: 180px; 
    object-fit: cover; 
    border-radius: 12px; 
    margin-bottom: 25px; 
}
.feature-item h3 { 
    font-size: 1.2em;
    height: 3.5em;
    margin-bottom: 20px;
}
.feature-item p { 
    color: var(--text-color-light); 
    font-size: 0.95em;
    margin-top: 0;
    min-height: 0;
}

/* --- ЭЛЕГАНТНЫЙ iOS-СТИЛЬ ДЛЯ БЛОКА ОТРАСЛЕЙ --- */
.industries { 
    background-color: var(--background-light-gray); 
}
.industries-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    align-items: stretch;
}
.industry-item {
    background-color: var(--card-background);
    border-radius: 24px;
    border: 1px solid #eef0f2;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: row;
    align-items: center; 
    text-align: left;    
    padding: 25px 30px;  
    gap: 25px;           
}
.industry-item:hover { 
    transform: translateY(-8px); 
    box-shadow: 0 12px 35px rgba(0,0,0,0.08); 
}
.industry-icon-wrapper {
    margin: 0;
    width: 80px;
    height: 80px;
    border-radius: 18px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f0f3f6; 
}
.industry-icon {
    width: 44px;
    height: 44px;
}
.industry-text {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}
.industry-text h3 {
    min-height: 0;
    margin-top: 0;
    margin-bottom: 12px;
    font-size: 1.3em;
}
.industry-text p {
    flex-grow: 1; 
    font-size: 0.95em;
    color: var(--text-color-light);
    margin: 0;
}
.industry-text p:last-of-type {
    flex-grow: 0;
    margin-top: 15px;
    font-weight: 500;
    color: var(--text-color);
}

/* --- ФОРМА ЗАЯВКИ (FORM SECTION) --- */
.form-section { background-color: var(--background-color); }
.form-layout { display: grid; grid-template-columns: 1fr 1.2fr; gap: 80px; align-items: center; }
.form-text h2 { text-align: left; font-size: 2.5em; font-weight: 700; }
.form-text p.subtitle { font-size: 1.1em; color: var(--text-color-light); margin-bottom: 30px;}
.form-benefits { list-style: none; padding-left: 0; }
.form-benefits li { display: flex; align-items: baseline; gap: 12px; margin-bottom: 15px; font-size: 1.05em; font-weight: 500; }
.form-benefits li::before { content: '✓'; color: var(--accent-color); font-weight: bold; font-size: 1.2em; }
.form-container-wrapper { position: relative; }
.form-container { background: #fff; padding: 40px; border-radius: 24px; box-shadow: 0 16px 48px rgba(0,0,0,0.08); }
.form-success-message { position: absolute; top: 0; left: 0; width: 100%; height: 100%; display: flex; flex-direction: column; justify-content: center; align-items: center; background: #fff; border-radius: 24px; text-align: center; opacity: 0; visibility: hidden; transition: opacity 0.5s, visibility 0.5s; z-index: 2; padding: 20px; box-sizing: border-box; }
.form-success-message.visible { opacity: 1; visibility: visible; }
.form-success-message h3 { font-size: 1.5em; margin-bottom: 10px; }
.form-success-message p { color: var(--text-color-light); }
#telegram-form { display: flex; flex-direction: column; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
#telegram-form input, #telegram-form textarea { width: 100%; padding: 16px; border: none; border-radius: 12px; font-size: 1em; font-family: var(--font-family); background-color: #f7f8fa; transition: box-shadow 0.3s ease; box-sizing: border-box; }
#telegram-form textarea { min-height: 160px; resize: vertical; }
#telegram-form input:focus, #telegram-form textarea:focus { box-shadow: 0 0 0 3px rgba(0, 133, 117, 0.3); outline: none; }
#telegram-form .btn { width: 100%; margin-top: 8px; }
.privacy-note { font-size: 0.8em; color: var(--text-color-light); text-align: left; margin-top: 12px; line-height: 1.5; }
.privacy-note a { text-decoration: underline; color: var(--text-color-light); }
.privacy-note a:hover { color: var(--accent-color); }

/* --- ФИНАЛЬНЫЙ СТИЛЬ ДЛЯ ФУТЕРА v4.0 (PIXEL PERFECT) --- */
.footer {
    background-color: var(--background-light-gray);
    color: var(--text-color-light);
    padding: 80px 0 30px 0;
    font-size: 0.95em;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.5fr;
    gap: 40px;
    align-items: start;
}
.footer-col h4 {
    font-size: 1.05em;
    color: var(--text-color);
    margin-bottom: 25px;
    font-weight: 600;
}
.footer-info {
    text-align: center;
}
.footer-info .logo {
    display: block;
    margin-bottom: 25px;
}
.footer-info .logo-footer {
    height: 110px; 
    width: auto;
    margin-left: auto;
    margin-right: auto;
}
.footer-info .description {
    line-height: 1.6;
    max-width: 320px;
    margin-left: auto;
    margin-right: auto;
}
.footer-links a {
    color: var(--text-color-light);
}
.footer-links a:hover {
    color: var(--accent-color);
}
.footer-links ul { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 16px; }
.footer-requisites .contact-block {
    margin-bottom: 30px;
}
.footer-requisites .contact-block a {
    display: block;
    color: var(--text-color);
    font-weight: 500;
    font-size: 1.05em;
    line-height: 1.7;
}
.footer-requisites .requisites-block p {
    line-height: 1.7;
    margin-bottom: 5px;
}
.footer-requisites .address {
    white-space: nowrap;
}
.footer-bottom {
    border-top: 1px solid #e5e5e5;
    margin-top: 70px;
    padding-top: 30px;
    color: #a0a0a5;
    font-size: 0.9em;
}

/* --- УВЕДОМЛЕНИЯ И МОДАЛЬНЫЕ ОКНА --- */
.notification-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.6); display: flex; justify-content: center; align-items: center; z-index: 3000; opacity: 0; visibility: hidden; transition: opacity 0.3s ease, visibility 0.3s ease; backdrop-filter: blur(5px); }
.notification-overlay.visible { opacity: 1; visibility: visible; }
.notification-modal { background: #fff; padding: 30px 40px; border-radius: 16px; box-shadow: 0 10px 30px rgba(0,0,0,0.2); text-align: center; max-width: 400px; transform: scale(0.9); transition: transform 0.3s ease; }
.notification-overlay.visible .notification-modal { transform: scale(1); }
.notification-modal .icon { font-size: 3em; line-height: 1; }
.notification-modal .icon.success { color: var(--success-color); }
.notification-modal .icon.error { color: var(--error-color); }
.notification-modal h3 { font-size: 1.4em; margin: 15px 0 10px 0; }
.notification-modal p { margin: 0 0 25px 0; color: var(--text-color-light); }
.notification-modal .btn-close { background-color: #e0e0e0; color: #333; padding: 10px 30px; border-radius: 8px; font-weight: 500; cursor: pointer; border: none; font-family: var(--font-family); }
.notification-modal .btn-close:hover { background-color: #c7c7c7; }
.social-widget { position: fixed; bottom: 20px; right: 20px; z-index: 1000; display: flex; flex-direction: column; gap: 10px; }
.social-widget a { display: block; width: 50px; height: 50px; transition: transform 0.2s ease; }
.social-widget a:hover { transform: scale(1.1); }
.social-widget img { width: 100%; height: 100%; border-radius: 50%; box-shadow: 0 4px 10px rgba(0,0,0,0.15); }
.modal-overlay { position: fixed; bottom: 0; left: 0; right: 0; background-color: rgba(0, 0, 0, 0.7); z-index: 2000; display: none; justify-content: center; align-items: flex-end; padding: 20px; backdrop-filter: blur(5px); }
.modal-overlay.active { display: flex; }
.modal-content { background-color: var(--card-background); padding: 30px; border-radius: 16px; box-shadow: 0 10px 30px rgba(0,0,0,0.1); max-width: 600px; display: flex; align-items: center; gap: 20px; }
.modal-text { font-size: 0.9em; color: var(--text-color-light); }
.modal-text a { color: var(--accent-color); }
.modal-actions .btn { white-space: nowrap; padding: 10px 20px; font-size: 0.9em;}
.privacy-page { padding: 60px 0; }
.privacy-page h1, .privacy-page h3 { margin-bottom: 1em; }
.privacy-page p, .privacy-page li { color: var(--text-color-light); }
.privacy-page a.btn { margin-top: 30px; }

/* --- АДАПТИВНОСТЬ --- */
@media (max-width: 1024px) {
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .form-layout { grid-template-columns: 1fr; gap: 40px; text-align: center; }
    .form-text h2 { text-align: center; }
    .form-benefits { display: inline-block; text-align: left; }
    /* Добавим адаптивность для футера на планшетах */
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 50px;
    }
}
@media (max-width: 768px) {
    section { padding: 60px 0; }
    .section-title, h1 { font-size: 2.2em; }
    .nav-links { display: none; }
    .nav-content { justify-content: space-between; height: 80px;}
    .logo .logo-header { height: 60px; }
    .nav-contact a { font-size: 1em; }
    .hero { text-align: center; padding: 80px 0; }
    .hero-text { text-align: center; }
    .hero h1 { font-size: 2.8em; }
    .hero-subtitle { margin: 0 auto 30px auto; }
    .features-grid, .industries-grid { grid-template-columns: 1fr; }
    .industries-grid { gap: 20px; }
    .industry-item { flex-direction: row; text-align: left; }
    .form-row { grid-template-columns: 1fr; }
    .modal-content { flex-direction: column; text-align: center; }
    
    /* --- ИСПРАВЛЕНИЯ ДЛЯ ФУТЕРА НА МОБИЛЬНЫХ --- */
    .footer-grid { 
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    .footer-info, .footer-requisites {
        text-align: center;
    }
    .footer-requisites .contact-block a {
        margin: 0 auto;
    }
    .footer-requisites .address {
        white-space: normal;
    }
}