/* Основные стили */
/* ===========================================
   СИМФОНИЯ ОКОН — Основные стили
   Файл: public_html/assets/css/main.css
   =========================================== */

/* ===========================================
   1. CSS-ПЕРЕМЕННЫЕ (цвета бренда)
   =========================================== */
:root {
    /* Основные цвета */
    --color-primary: #1e3a5f;
    --color-primary-light: #2d5a8e;
    --color-primary-dark: #0f2540;
    --color-accent: #e8a849;
    --color-accent-hover: #d4912e;
    --color-accent-light: #fef3c7;
    
    /* Нейтральные */
    --color-bg: #f8fafc;
    --color-bg-alt: #f1f5f9;
    --color-text: #1e293b;
    --color-text-muted: #64748b;
    --color-text-light: #94a3b8;
    --color-border: #e2e8f0;
    
    /* Семантические */
    --color-success: #10b981;
    --color-error: #ef4444;
    --color-warning: #f59e0b;
    --color-info: #3b82f6;
    
    /* Тени */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.15);
    
    /* Радиусы */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-2xl: 2rem;
    
    /* Переходы */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Шрифты */
    --font-family: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* ===========================================
   2. БАЗОВЫЕ СТИЛИ (RESET)
   =========================================== */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    margin: 0;
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

/* Убираем outline при фокусе через Tab, но оставляем для клавиатуры */
:focus:not(:focus-visible) {
    outline: none;
}

:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
    border-radius: 4px;
}

/* ===========================================
   3. ТИПОГРАФИКА
   =========================================== */
h1, h2, h3, h4, h5, h6 {
    margin: 0;
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-primary);
}

h1 { font-size: clamp(2rem, 5vw, 3.75rem); }
h2 { font-size: clamp(1.75rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.875rem); }
h4 { font-size: clamp(1.125rem, 2.5vw, 1.5rem); }

p {
    margin: 0 0 1rem;
    line-height: 1.7;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* ===========================================
   4. УТИЛИТЫ
   =========================================== */

/* Градиентный текст */
.gradient-text {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

/* Скрытие элемента для screen readers, но видимое визуально */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Плавное появление элементов при скролле */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Hover-эффект для карточек */
.card-hover {
    transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}

.card-hover:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

/* Пульсирующая точка (для индикаторов) */
.pulse-dot {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(232, 168, 73, 0.7);
    }
    50% {
        box-shadow: 0 0 0 15px rgba(232, 168, 73, 0);
    }
}

/* Плавающая анимация */
.floating {
    animation: floating 3s ease-in-out infinite;
}

@keyframes floating {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Индикатор скролла */
.scroll-indicator {
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0) translateX(-50%); }
    50% { transform: translateY(10px) translateX(-50%); }
}

/* Спиннер загрузки */
.animate-spin {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ===========================================
   5. КНОПКИ
   =========================================== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
    color: white;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    box-shadow: 0 4px 15px rgba(232, 168, 73, 0.4);
    cursor: pointer;
    border: none;
    text-align: center;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(232, 168, 73, 0.5);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: white;
    font-weight: 600;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.6);
}

/* ===========================================
   6. ФОРМЫ
   =========================================== */
.form-input,
.calc-input {
    width: 100%;
    background: white;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    font-weight: 500;
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.form-input:focus,
.calc-input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(232, 168, 73, 0.2);
}

.form-input::placeholder {
    color: var(--color-text-light);
}

/* Поля с ошибкой */
.form-input.error,
.calc-input.error {
    border-color: var(--color-error);
    background-color: #fef2f2;
}

.form-input.error:focus,
.calc-input.error:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}

/* ===========================================
   7. HERO-СЕКЦИЯ
   =========================================== */
.hero-overlay {
    background: linear-gradient(
        90deg,
        rgba(30, 58, 95, 0.92) 0%,
        rgba(30, 58, 95, 0.75) 50%,
        rgba(30, 58, 95, 0.3) 100%
    );
}

.hero-title {
    font-size: clamp(2.25rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    color: white;
    margin-bottom: 1.5rem;
}

.hero-title .accent {
    color: var(--color-accent);
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: #e2e8f0;
    line-height: 1.6;
    margin-bottom: 2rem;
    max-width: 40rem;
}

/* Статистика в hero */
.stat-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    padding: 1rem;
    transition: all var(--transition-base);
}

.stat-card:hover {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.08) 100%);
    border-color: rgba(255, 255, 255, 0.3);
}

.stat-card .stat-number {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-card .stat-label {
    font-size: 0.875rem;
    color: #e2e8f0;
}

/* ===========================================
   8. КАТЕГОРИИ ОКОН
   =========================================== */
.category-card {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-2xl);
    cursor: pointer;
}

.category-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.category-card:hover img {
    transform: scale(1.08);
}

.category-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(30, 58, 95, 0.95) 100%);
    transition: all var(--transition-slow);
    pointer-events: none;
}

.category-card:hover::after {
    background: linear-gradient(180deg, rgba(30, 58, 95, 0.2) 0%, rgba(30, 58, 95, 0.95) 100%);
}

.category-card .category-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
    z-index: 2;
    color: white;
}

.category-card .category-price {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.category-card .category-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.category-card .category-description {
    font-size: 0.875rem;
    color: #e2e8f0;
    margin-bottom: 0.75rem;
}

.category-card .category-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-accent);
    font-weight: 600;
    font-size: 0.875rem;
    transition: gap var(--transition-base);
}

.category-card:hover .category-link {
    gap: 0.75rem;
}

/* ===========================================
   9. СЕКЦИЯ ПРЕИМУЩЕСТВ
   =========================================== */
.advantage-card {
    background: white;
    border-radius: var(--radius-2xl);
    padding: 2rem;
    transition: all var(--transition-slow);
    border: 1px solid transparent;
}

.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-accent-light);
}

.advantage-icon {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    box-shadow: 0 4px 12px rgba(30, 58, 95, 0.2);
}

.advantage-icon svg {
    width: 1.75rem;
    height: 1.75rem;
    color: var(--color-accent);
}

.advantage-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.75rem;
}

.advantage-text {
    color: var(--color-text-muted);
    line-height: 1.6;
    margin: 0;
}

/* ===========================================
   10. ЭТАПЫ РАБОТЫ
   =========================================== */
.step-circle {
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.5rem;
    margin: 0 auto 1rem;
    box-shadow: 0 8px 20px rgba(232, 168, 73, 0.4);
    position: relative;
    z-index: 2;
}

.step-line {
    position: relative;
}

.step-line::before {
    content: '';
    position: absolute;
    top: 2rem;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-primary) 100%);
    z-index: 1;
}

.step-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: 0.5rem;
}

.step-text {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-align: center;
    margin: 0;
}

/* ===========================================
   11. ПРОФИЛЬНЫЕ СИСТЕМЫ
   =========================================== */
.profile-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-2xl);
    padding: 1.5rem;
    transition: all var(--transition-slow);
}

.profile-card:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--color-accent);
    transform: translateY(-8px);
}

.profile-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
}

.profile-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
}

.profile-specs {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.profile-spec {
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
    color: #bfdbfe;
}

.profile-spec .value {
    font-weight: 600;
    color: white;
}

.profile-price-block {
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.profile-price-label {
    font-size: 0.75rem;
    color: #93c5fd;
    margin-bottom: 0.25rem;
}

.profile-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-accent);
}

/* ===========================================
   12. ПОРТФОЛИО
   =========================================== */
.portfolio-card {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    height: 20rem;
    cursor: pointer;
}

.portfolio-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.portfolio-card:hover img {
    transform: scale(1.1);
}

.portfolio-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(30, 58, 95, 0.9) 0%, transparent 60%);
    z-index: 1;
    transition: all var(--transition-base);
}

.portfolio-card:hover::before {
    background: linear-gradient(to top, rgba(30, 58, 95, 0.95) 0%, rgba(30, 58, 95, 0.3) 100%);
}

.portfolio-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
    z-index: 2;
    color: white;
    transform: translateY(10px);
    transition: transform var(--transition-base);
}

.portfolio-card:hover .portfolio-content {
    transform: translateY(0);
}

.portfolio-location {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.portfolio-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.portfolio-description {
    font-size: 0.875rem;
    color: #e2e8f0;
    margin: 0;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.portfolio-card:hover .portfolio-description {
    opacity: 1;
}

/* ===========================================
   13. ОТЗЫВЫ
   =========================================== */
.review-card {
    background: white;
    border-radius: var(--radius-2xl);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-slow);
    border: 1px solid var(--color-border);
}

.review-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-accent-light);
}

.review-stars {
    display: flex;
    gap: 0.25rem;
    color: var(--color-accent);
    margin-bottom: 1rem;
}

.review-text {
    color: var(--color-text);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.review-avatar {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    flex-shrink: 0;
}

.review-name {
    font-weight: 700;
    color: var(--color-primary);
    margin: 0;
}

.review-location {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin: 0;
}

/* ===========================================
   14. ПРОМО-БЛОК (жёлтая секция с акциями)
   =========================================== */
.promo-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--radius-2xl);
    padding: 1.5rem;
    text-align: center;
    color: white;
    transition: all var(--transition-base);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.promo-card:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-4px);
}

.promo-value {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.promo-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.promo-description {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.85);
    margin: 0;
}

/* ===========================================
   15. CTA-СЕКЦИЯ
   =========================================== */
.cta-section {
    position: relative;
    overflow: hidden;
}

.cta-background {
    position: absolute;
    inset: 0;
}

.cta-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cta-background::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to right,
        rgba(30, 58, 95, 0.95) 0%,
        rgba(30, 58, 95, 0.8) 100%
    );
}

.cta-form {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-2xl);
    padding: 1.5rem;
}

.cta-form input {
    width: 100%;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    color: white;
    transition: all var(--transition-fast);
}

.cta-form input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.cta-form input:focus {
    outline: none;
    border-color: var(--color-accent);
    background: rgba(255, 255, 255, 0.25);
}

/* ===========================================
   16. КАЛЬКУЛЯТОР
   =========================================== */
.calculator-wrapper {
    background: linear-gradient(135deg, var(--color-bg) 0%, #dbeafe 100%);
    border-radius: var(--radius-2xl);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
}

.calculator-result {
    background: white;
    border: 2px solid var(--color-accent-light);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
}

.calculator-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
}

.calculator-row .label {
    color: var(--color-text-muted);
}

.calculator-row .value {
    font-weight: 700;
    color: var(--color-primary);
    font-size: 1.125rem;
}

.calculator-row .discount {
    color: var(--color-success);
    font-weight: 700;
}

.calculator-total {
    border-top: 1px solid var(--color-border);
    margin-top: 0.75rem;
    padding-top: 0.75rem;
}

.calculator-total .value {
    font-size: 1.875rem;
    color: var(--color-accent-hover);
}

/* Range slider */
input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: var(--color-border);
    border-radius: 3px;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px;
    height: 22px;
    background: var(--color-accent);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(232, 168, 73, 0.4);
    transition: transform var(--transition-fast);
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

input[type="range"]::-moz-range-thumb {
    width: 22px;
    height: 22px;
    background: var(--color-accent);
    border-radius: 50%;
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 8px rgba(232, 168, 73, 0.4);
}

/* ===========================================
   17. КОНТАКТЫ
   =========================================== */
.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: var(--color-bg-alt);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.contact-item:hover {
    background: #dbeafe;
}

.contact-icon {
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--color-accent);
}

.contact-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 0.25rem;
}

.contact-value {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-primary);
}

/* ===========================================
   18. СЕКЦИИ (общие стили)
   =========================================== */
.section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-label {
    display: inline-block;
    color: var(--color-accent-hover);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.75rem;
}

.section-title {
    font-size: clamp(1.875rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    max-width: 40rem;
    margin: 0 auto;
    line-height: 1.6;
}

/* ===========================================
   19. АДАПТИВНОСТЬ (базовая)
   =========================================== */

/* Планшеты */
@media (max-width: 1024px) {
    .section {
        padding: 4rem 0;
    }
    
    .section-header {
        margin-bottom: 3rem;
    }
    
    .step-line::before {
        display: none;
    }
}

/* Мобильные */
@media (max-width: 640px) {
    .section {
        padding: 3rem 0;
    }
    
    .section-header {
        margin-bottom: 2rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .stat-card .stat-number {
        font-size: 1.5rem;
    }
    
    .category-card {
        height: 16rem !important;
    }
    
    .portfolio-card {
        height: 16rem;
    }
    
    .promo-value {
        font-size: 2.25rem;
    }
    
    .calculator-wrapper {
        padding: 1.5rem;
    }
}

/* ===========================================
   20. ПЕЧАТНАЯ ВЕРСИЯ
   =========================================== */
@media print {
    header, footer, .btn-primary, .btn-secondary, 
    #lead-modal, #toast, #scroll-to-top {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .section {
        page-break-inside: avoid;
    }
}