/**
 * ============================================
 * STYLES.CSS — Основные стили Своё дело
 * ============================================
 */

/* ========== CSS VARIABLES ========== */
:root {
    --color-primary: #21A038;
    --color-primary-hover: #1D9032;
    --color-primary-active: #198A2C;
    --color-primary-light: #E8F5E9;
    --color-secondary: #107F8C;
    --color-orange: #FF6D00;
    --color-orange-hover: #E56200;
    --color-orange-light: #FFF3E0;
    --color-blue: #1976D2;
    --color-blue-hover: #1565C0;
    --color-blue-light: #E3F2FD;
    --color-text-primary: #1F1F22;
    --color-text-secondary: #5C5C5C;
    --color-text-tertiary: #8E8E93;
    --color-text-inverse: #FFFFFF;
    --color-bg-primary: #FFFFFF;
    --color-bg-secondary: #F3F4F5;
    --color-bg-tertiary: #E5E5EA;
    --color-border: #E5E5EA;
    --color-border-light: #F2F2F7;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3rem;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.08);
    --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.12);
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-modal: 300;
    --container-max: 1200px;
    --container-padding: 1.5rem;
}

/* ========== RESET ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body { font-family: var(--font-family); font-size: var(--font-size-base); line-height: var(--line-height-normal); color: var(--color-text-primary); background-color: var(--color-bg-primary); -webkit-font-smoothing: antialiased; }
img, picture, video, svg { display: block; max-width: 100%; height: auto; }
input, button, textarea, select { font: inherit; }
button { cursor: pointer; background: none; border: none; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* ========== UTILITIES ========== */
.container { width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 var(--container-padding); }
.section { padding: var(--spacing-3xl) 0; }
.section--gray { background-color: var(--color-bg-secondary); }
.section--green { background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%); color: var(--color-text-inverse); }
.section__header { margin-bottom: var(--spacing-2xl); }
.section__header--center { text-align: center; }
.section__title { font-size: var(--font-size-3xl); font-weight: var(--font-weight-bold); line-height: var(--line-height-tight); margin-bottom: var(--spacing-md); }
.section__subtitle { font-size: var(--font-size-lg); color: var(--color-text-secondary); max-width: 600px; }
.section__header--center .section__subtitle { margin: 0 auto; }

/* ========== BUTTONS ========== */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--spacing-sm); padding: 12px 24px; font-size: var(--font-size-base); font-weight: var(--font-weight-semibold); line-height: 1; border-radius: var(--radius-lg); transition: all var(--transition-base); white-space: nowrap; }
.btn--primary { background-color: var(--color-primary); color: var(--color-text-inverse); }
.btn--primary:hover { background-color: var(--color-primary-hover); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn--outline { background-color: transparent; color: var(--color-primary); border: 2px solid var(--color-primary); }
.btn--outline:hover { background-color: var(--color-primary); color: var(--color-text-inverse); }
.btn--ghost { background-color: transparent; color: var(--color-text-secondary); }
.btn--ghost:hover { color: var(--color-primary); background-color: var(--color-primary-light); }
.btn--white { background-color: var(--color-bg-primary); color: var(--color-primary); }
.btn--white:hover { background-color: var(--color-bg-secondary); transform: translateY(-1px); }
.btn--orange { background-color: var(--color-orange); }
.btn--orange:hover { background-color: var(--color-orange-hover); }
.btn--blue { background-color: var(--color-blue); }
.btn--blue:hover { background-color: var(--color-blue-hover); }
.btn--large { padding: 16px 32px; font-size: var(--font-size-lg); border-radius: var(--radius-xl); }

/* ========== HEADER ========== */
.header { position: sticky; top: 0; z-index: var(--z-sticky); background-color: var(--color-bg-primary); border-bottom: 1px solid var(--color-border-light); backdrop-filter: blur(10px); }
.header__container { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.header__logo { display: flex; align-items: center; gap: var(--spacing-sm); }
.header__logo-text { font-size: var(--font-size-lg); font-weight: var(--font-weight-bold); }
.header__nav-list { display: flex; gap: var(--spacing-xl); }
.header__nav-link { font-size: var(--font-size-base); font-weight: var(--font-weight-medium); color: var(--color-text-secondary); transition: color var(--transition-fast); padding: var(--spacing-sm) 0; position: relative; }
.header__nav-link::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background-color: var(--color-primary); transition: width var(--transition-base); }
.header__nav-link:hover { color: var(--color-primary); }
.header__nav-link:hover::after { width: 100%; }
.header__actions { display: flex; align-items: center; gap: var(--spacing-lg); }
.header__phone { display: flex; align-items: center; gap: var(--spacing-xs); font-weight: var(--font-weight-semibold); color: var(--color-primary); }
.header__burger { display: none; flex-direction: column; gap: 5px; padding: var(--spacing-sm); }
.header__burger-line { width: 24px; height: 2px; background-color: var(--color-text-primary); border-radius: var(--radius-full); transition: all var(--transition-base); }

/* ========== HERO ========== */
.hero { position: relative; overflow: hidden; padding: var(--spacing-3xl) 0 var(--spacing-4xl); background: linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%); }
.hero__container { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-2xl); align-items: center; }
.hero__title { font-size: var(--font-size-5xl); font-weight: var(--font-weight-bold); line-height: var(--line-height-tight); margin-bottom: var(--spacing-lg); background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-primary) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero__subtitle { font-size: var(--font-size-xl); color: var(--color-text-secondary); margin-bottom: var(--spacing-xl); max-width: 520px; line-height: var(--line-height-relaxed); }
.hero__actions { display: flex; gap: var(--spacing-md); margin-bottom: var(--spacing-2xl); }
.hero__stats { display: flex; gap: var(--spacing-2xl); }
.hero__stat { display: flex; flex-direction: column; gap: var(--spacing-xs); }
.hero__stat-value { font-size: var(--font-size-2xl); font-weight: var(--font-weight-bold); color: var(--color-primary); }
.hero__stat-label { font-size: var(--font-size-sm); color: var(--color-text-tertiary); }
.hero__image { position: relative; display: flex; justify-content: center; }
.hero__img { max-width: 100%; height: auto; border-radius: var(--radius-2xl); box-shadow: var(--shadow-xl); }
.hero__bg-decoration { position: absolute; top: 50%; right: -200px; width: 600px; height: 600px; background: radial-gradient(circle, var(--color-primary-light) 0%, transparent 70%); opacity: 0.5; pointer-events: none; }

/* ========== OFFERS ========== */
.offers__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-lg); }
.offer-card { position: relative; background-color: var(--color-bg-primary); border-radius: var(--radius-2xl); padding: var(--spacing-xl); box-shadow: var(--shadow-card); transition: all var(--transition-base); display: flex; flex-direction: column; }
.offer-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
.offer-card__icon { margin-bottom: var(--spacing-lg); }
.offer-card__badge { position: absolute; top: var(--spacing-lg); right: var(--spacing-lg); padding: var(--spacing-xs) var(--spacing-sm); font-size: var(--font-size-xs); font-weight: var(--font-weight-semibold); color: var(--color-text-inverse); background-color: var(--color-primary); border-radius: var(--radius-md); }
.offer-card__badge--orange { background-color: var(--color-orange); }
.offer-card__badge--blue { background-color: var(--color-blue); }
.offer-card__title { font-size: var(--font-size-xl); font-weight: var(--font-weight-bold); margin-bottom: var(--spacing-md); }
.offer-card__features { flex: 1; margin-bottom: var(--spacing-lg); }
.offer-card__feature { display: flex; align-items: flex-start; gap: var(--spacing-sm); margin-bottom: var(--spacing-sm); font-size: var(--font-size-sm); color: var(--color-text-secondary); }
.offer-card__check { flex-shrink: 0; margin-top: 2px; }
.offer-card__feature strong { color: var(--color-text-primary); font-weight: var(--font-weight-semibold); }
.offer-card__btn { width: 100%; }
.offer-card__buttons { display: flex; gap: var(--spacing-sm); }
.offer-card__buttons .offer-card__btn { flex: 1; }

/* ========== SERVICES ========== */
.services__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--spacing-lg); }
.service-card { background-color: var(--color-bg-primary); border-radius: var(--radius-2xl); overflow: hidden; box-shadow: var(--shadow-card); transition: all var(--transition-base); }
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
.service-card__image { position: relative; height: 200px; overflow: hidden; background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-bg-secondary) 100%); }
.service-card__image img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-slow); }
.service-card:hover .service-card__image img { transform: scale(1.05); }
.service-card__content { padding: var(--spacing-lg); }
.service-card__title { font-size: var(--font-size-xl); font-weight: var(--font-weight-bold); margin-bottom: var(--spacing-md); }
.service-card__list { margin-bottom: var(--spacing-md); }
.service-card__list li { position: relative; padding-left: var(--spacing-lg); margin-bottom: var(--spacing-sm); font-size: var(--font-size-sm); color: var(--color-text-secondary); }
.service-card__list li::before { content: ''; position: absolute; left: 0; top: 8px; width: 6px; height: 6px; background-color: var(--color-primary); border-radius: var(--radius-full); }
.service-card__link { display: inline-flex; align-items: center; gap: var(--spacing-xs); font-weight: var(--font-weight-semibold); color: var(--color-primary); transition: gap var(--transition-fast); }
.service-card__link:hover { gap: var(--spacing-sm); }

/* ========== FEATURES ========== */
.features__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--spacing-lg); }
.feature { text-align: center; padding: var(--spacing-lg); }
.feature__icon { display: inline-flex; align-items: center; justify-content: center; width: 64px; height: 64px; margin: 0 auto var(--spacing-md); background-color: var(--color-primary-light); border-radius: var(--radius-xl); }
.feature__title { font-size: var(--font-size-lg); font-weight: var(--font-weight-semibold); margin-bottom: var(--spacing-sm); }
.feature__text { font-size: var(--font-size-sm); color: var(--color-text-secondary); line-height: var(--line-height-relaxed); }

/* ========== FORM SECTION ========== */
.form-section__container { display: grid; grid-template-columns: 1fr auto; gap: var(--spacing-3xl); align-items: center; }
.form-section__title { font-size: var(--font-size-3xl); font-weight: var(--font-weight-bold); margin-bottom: var(--spacing-md); }
.form-section__text { font-size: var(--font-size-lg); opacity: 0.9; margin-bottom: var(--spacing-xl); max-width: 480px; }
.form { max-width: 400px; }
.form__group { margin-bottom: var(--spacing-md); }
.form__label { display: block; font-size: var(--font-size-sm); font-weight: var(--font-weight-medium); margin-bottom: var(--spacing-sm); opacity: 0.9; }
.form__input-wrapper { display: flex; align-items: center; background-color: rgba(255, 255, 255, 0.15); border: 2px solid rgba(255, 255, 255, 0.3); border-radius: var(--radius-lg); overflow: hidden; transition: all var(--transition-fast); }
.form__input-wrapper:focus-within { border-color: var(--color-bg-primary); background-color: rgba(255, 255, 255, 0.2); }
.form__prefix { padding: 0 var(--spacing-md); font-weight: var(--font-weight-medium); opacity: 0.8; }
.form__input { flex: 1; padding: var(--spacing-md); background: transparent; border: none; color: var(--color-text-inverse); font-size: var(--font-size-base); }
.form__input::placeholder { color: rgba(255, 255, 255, 0.6); }
.form__input:focus { outline: none; }
.form__hint { display: block; font-size: var(--font-size-xs); opacity: 0.7; margin-top: var(--spacing-sm); }
.form__checkbox { display: flex; align-items: flex-start; gap: var(--spacing-sm); margin-bottom: var(--spacing-lg); }
.form__checkbox-input { width: 20px; height: 20px; flex-shrink: 0; accent-color: var(--color-bg-primary); }
.form__checkbox-label { font-size: var(--font-size-sm); opacity: 0.9; line-height: var(--line-height-normal); }
.form__link { text-decoration: underline; opacity: 0.9; }
.form__submit { width: 100%; }
.qr-code { text-align: center; padding: var(--spacing-lg); background-color: var(--color-bg-primary); border-radius: var(--radius-2xl); }
.qr-code img { margin: 0 auto var(--spacing-md); }
.qr-code__text { font-size: var(--font-size-sm); color: var(--color-text-secondary); }

/* ========== FAQ ========== */
.faq__list { max-width: 800px; margin: 0 auto; }
.faq__item { border-bottom: 1px solid var(--color-border); }
.faq__question { display: flex; align-items: center; justify-content: space-between; width: 100%; padding: var(--spacing-lg) 0; font-size: var(--font-size-lg); font-weight: var(--font-weight-medium); text-align: left; cursor: pointer; list-style: none; }
.faq__question::-webkit-details-marker { display: none; }
.faq__question span { flex: 1; padding-right: var(--spacing-md); }
.faq__icon { flex-shrink: 0; transition: transform var(--transition-base); color: var(--color-text-tertiary); }
.faq__item[open] .faq__icon { transform: rotate(180deg); }
.faq__answer { padding-bottom: var(--spacing-lg); }
.faq__answer p { color: var(--color-text-secondary); line-height: var(--line-height-relaxed); }

/* ========== FOOTER ========== */
.footer { background-color: var(--color-text-primary); color: var(--color-text-inverse); padding: var(--spacing-3xl) 0 var(--spacing-xl); }
.footer__top { display: grid; grid-template-columns: 1fr 2fr 1fr; gap: var(--spacing-2xl); padding-bottom: var(--spacing-2xl); border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
.footer__logo { display: flex; align-items: center; gap: var(--spacing-sm); margin-bottom: var(--spacing-md); }
.footer__logo span { font-size: var(--font-size-lg); font-weight: var(--font-weight-bold); }
.footer__tagline { font-size: var(--font-size-sm); opacity: 0.7; }
.footer__nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-xl); }
.footer__nav-title { font-size: var(--font-size-sm); font-weight: var(--font-weight-semibold); text-transform: uppercase; letter-spacing: 0.05em; opacity: 0.5; margin-bottom: var(--spacing-md); }
.footer__nav-list li { margin-bottom: var(--spacing-sm); }
.footer__nav-link { font-size: var(--font-size-sm); opacity: 0.8; transition: opacity var(--transition-fast); }
.footer__nav-link:hover { opacity: 1; }
.footer__contacts-title { font-size: var(--font-size-sm); font-weight: var(--font-weight-semibold); text-transform: uppercase; letter-spacing: 0.05em; opacity: 0.5; margin-bottom: var(--spacing-md); }
.footer__phone { display: flex; align-items: center; gap: var(--spacing-sm); font-size: var(--font-size-2xl); font-weight: var(--font-weight-bold); margin-bottom: var(--spacing-sm); }
.footer__phone--secondary { font-size: var(--font-size-base); font-weight: var(--font-weight-medium); opacity: 0.8; }
.footer__phone-hint { font-size: var(--font-size-xs); opacity: 0.5; }
.footer__bottom { display: flex; justify-content: space-between; align-items: flex-start; padding-top: var(--spacing-xl); }
.footer__legal { max-width: 700px; }
.footer__legal p { font-size: var(--font-size-sm); opacity: 0.7; margin-bottom: var(--spacing-sm); }
.footer__legal-text { font-size: var(--font-size-xs); opacity: 0.5; line-height: var(--line-height-relaxed); }
.footer__apps { display: flex; align-items: center; gap: var(--spacing-md); }
.footer__apps-label { font-size: var(--font-size-sm); opacity: 0.7; }
.footer__apps-links { display: flex; gap: var(--spacing-sm); }
.footer__app-link { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; background-color: rgba(255, 255, 255, 0.1); border-radius: var(--radius-md); color: var(--color-text-inverse); transition: background-color var(--transition-fast); }
.footer__app-link:hover { background-color: rgba(255, 255, 255, 0.2); }