/* --- Переменные --- */
:root {
    --color-bg: #F9F8F4;
    --color-text-dark: #2C3325;
    --color-text-muted: #6B7264;
    --color-btn-bg: #3E4A35;
    --color-card-bg: #F0EDE5;
    --color-card-dark: #3A4233; /* Цвет темной карточки */
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Inter', sans-serif;
}

body { margin: 0; padding: 0; background-color: var(--color-bg); font-family: var(--font-sans); color: var(--color-text-dark); -webkit-font-smoothing: antialiased; overflow-x: hidden; }

/* --- Header --- */
.header { background-color: transparent; padding-top: 20px; padding-bottom: 20px; }
.header-logo { height: 48px; display: inline-flex; align-items: center; text-decoration: none; }
.logo-icon { margin-right: 10px; }
.logo-img { height: 40px; width: auto; object-fit: contain; }
.logo-title { font-family: var(--font-serif); font-size: 18px; font-weight: 600; color: var(--color-text-dark); }
.btn-custom { background-color: var(--color-btn-bg); color: #FFF; font-size: 14px; padding: 10px 24px; border-radius: 6px; border: 1px solid var(--color-btn-bg); transition: all 0.3s; }
.btn-custom:hover { background-color: transparent; color: var(--color-btn-bg); }

/* --- Hero (Подняли картинку) --- */
.hero-section { min-height: calc(100vh - 90px); display: flex; align-items: center; position: relative; padding-bottom: 80px; overflow: hidden; }
.hero-image-bg { position: absolute; top: 0; right: 0; bottom: 0; width: 55%; z-index: 0; pointer-events: none; }
.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 100%;
    -webkit-mask-image: linear-gradient(to right, transparent 0%, black 25%, black 100%), linear-gradient(to top, black 85%, transparent 100%), linear-gradient(to bottom, black 85%, transparent 100%);
    -webkit-mask-composite: source-in;
    mask-image: linear-gradient(to right, transparent 0%, black 25%, black 100%), linear-gradient(to top, black 85%, transparent 100%), linear-gradient(to bottom, black 85%, transparent 100%);
    mask-composite: intersect;
}
.hero-content { position: relative; z-index: 1; }
.hero-subtitle-top { font-size: 12px; text-transform: uppercase; letter-spacing: 1px; color: var(--color-text-muted); margin-bottom: 16px; }
.hero-title { font-family: var(--font-serif); font-size: 48px; font-weight: 500; line-height: 1.1; margin-bottom: 30px; }
.feature-icon { width: 40px; height: 40px; border: 1px solid rgba(44,51,37,0.2); border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.feature-number { font-size: 14px; font-weight: 600; display: block; line-height: 1.1; }
.feature-label { font-size: 11px; color: var(--color-text-muted); }
.btn-outline-custom { background: transparent; color: var(--color-text-dark); font-size: 14px; padding: 10px 24px; border-radius: 6px; border: 1px solid rgba(44,51,37,0.3); transition: 0.3s; }
.btn-outline-custom:hover { background: var(--color-btn-bg); color: #FFF; border-color: var(--color-btn-bg); }

/* --- Offers (СТИЛИ КАРТОЧЕК) --- */
.offers-section { padding: 80px 0; }
.section-title-wrapper { display: flex; align-items: center; justify-content: center; gap: 20px; margin-bottom: 30px; }
.section-title { font-family: var(--font-serif); font-size: 32px; font-weight: 500; margin: 0; white-space: nowrap; }
.section-title-wrapper::before, .section-title-wrapper::after { content: ""; flex: 1; height: 1px; background-color: rgba(44,51,37,0.15); max-width: 400px; }

/* Общие стили карточек */
.offer-card { position: relative; overflow: hidden; background-color: var(--color-card-bg); border: 1px solid rgba(44,51,37,0.08); border-radius: 12px; padding: 32px 28px; height: 100%; display: flex; flex-direction: column; transition: transform 0.3s ease, box-shadow 0.3s ease; min-height: 300px; }
.offer-card:hover { transform: translateY(-5px); box-shadow: 0 12px 30px rgba(44,51,37,0.08); }

/* Темная карточка */
.offer-card-dark { background-color: var(--color-card-dark); border-color: var(--color-card-dark); }
.offer-card-dark:hover { box-shadow: 0 12px 30px rgba(0,0,0,0.2); }

/* Фоновые линии для карточек */
.offer-card-bg-lines { position: absolute; top: -20px; right: -20px; width: 150px; height: 150px; pointer-events: none; z-index: 0; }

/* Контент карточек */
.offer-icon { position: relative; z-index: 1; margin-bottom: 24px; display: flex; align-items: center; height: 32px; }
.offer-card-title { position: relative; z-index: 1; font-family: var(--font-sans); font-size: 14px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 16px; line-height: 1.4; color: var(--color-text-dark); }
.offer-card-text { position: relative; z-index: 1; font-size: 14px; line-height: 1.6; color: var(--color-text-muted); margin-bottom: 24px; flex-grow: 1; }

/* Светлый текст для темной карточки */
.offer-card-title-light { color: #FFFFFF; }
.offer-card-text-light { color: rgba(255,255,255,0.75); }

/* Кнопки Подробнее */
.btn-offer { position: relative; z-index: 1; display: inline-flex; align-items: center; justify-content: center; height: 40px; padding: 0 22px; font-size: 13px; color: var(--color-text-dark); background: transparent; border: 1px solid rgba(44,51,37,0.25); border-radius: 6px; align-self: flex-start; margin-top: auto; transition: 0.3s; text-decoration: none; }
.btn-offer:hover { background: var(--color-btn-bg); color: #FFF; border-color: var(--color-btn-bg); }

.btn-offer-light { color: #FFFFFF; border-color: rgba(255,255,255,0.3); }
.btn-offer-light:hover { background: #FFFFFF; color: var(--color-card-dark); border-color: #FFFFFF; }

/* --- AI Bot --- */
.ai-bot-section { padding: 0 0 60px 0; }
.ai-bot-card { background-color: #2F3828; border-radius: 12px; min-height: 340px; display: flex; position: relative; overflow: hidden; }
.ai-bot-image-bg { position: absolute; top: 0; right: 0; bottom: 0; width: 50%; z-index: 1; display: flex; justify-content: flex-end; }
.ai-bot-image { width: 100%; height: 100%; object-fit: cover; object-position: right center; -webkit-mask-image: linear-gradient(to right, transparent 0%, black 30%, black 100%); mask-image: linear-gradient(to right, transparent 0%, black 30%, black 100%); }
.ai-bot-content { position: relative; z-index: 2; padding: 40px 50px; display: flex; flex-direction: column; justify-content: center; max-width: 55%; }
.ai-bot-title { font-family: var(--font-serif); font-size: 32px; color: #FFF; line-height: 1.2; margin-bottom: 12px; }
.ai-bot-text { font-size: 14px; color: rgba(255,255,255,0.7); margin-bottom: 24px; }
.btn-max { display: inline-flex; align-items: center; gap: 10px; background-color: #6C5CE7; color: #FFF; padding: 8px 16px; border-radius: 6px; text-decoration: none; font-size: 13px; transition: 0.3s; }
.btn-max:hover { background-color: #5B4BD1; }
.btn-max .btn-icon { width: 28px; height: 28px; background: rgba(255,255,255,0.2); border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }

/* --- SELF WORK SECTION --- */
.self-work-section { padding: 60px 0 80px 0; background-color: var(--color-bg); }
.self-work-tabs { display: flex; justify-content: center; align-items: center; gap: 15px; }
.btn-tab { background: none; border: none; font-size: 16px; font-family: var(--font-sans); color: var(--color-text-muted); padding: 5px 10px; transition: 0.3s; }
.btn-tab.active { color: var(--color-text-dark); font-weight: 600; border-bottom: 2px solid var(--color-text-dark); }
.tab-sep { color: rgba(44,51,37,0.2); }
.file-card { display: flex; align-items: center; justify-content: center; height: 100px; background-color: #FFFFFF; border: 1px solid rgba(44,51,37,0.08); border-radius: 6px; color: var(--color-text-dark); text-decoration: none; font-size: 14px; transition: 0.3s; box-shadow: 0 2px 5px rgba(0,0,0,0.02); }
.file-card:hover { border-color: var(--color-btn-bg); transform: translateY(-2px); }

/* --- FOOTER --- */
.footer-section { background-color: #2F3828; padding: 60px 0; color: #FFF; border-radius: 20px 20px 0 0; }
.footer-title { font-family: var(--font-serif); font-size: 24px; line-height: 1.3; margin-bottom: 10px; }
.footer-subtitle { font-size: 13px; color: rgba(255,255,255,0.6); }
.footer-features { display: flex; flex-direction: row; gap: 20px; }
.footer-feature { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 10px; flex: 1; }
.footer-feature-icon { width: 50px; height: 50px; border-radius: 50%; background-color: #E8E4D8; display: flex; align-items: center; justify-content: center; transition: 0.3s; }
.footer-feature-icon svg { width: 22px; height: 22px; stroke: #2F3828; }
.footer-feature:hover .footer-feature-icon { transform: translateY(-3px); background-color: #FFF; }
.footer-feature-title { font-size: 12px; font-weight: 500; margin: 0; color: #FFF; }
.btn-footer { display: inline-flex; align-items: center; justify-content: center; height: 44px; padding: 0 24px; font-size: 12px; font-weight: 600; letter-spacing: 0.5px; color: #2F3828; background-color: #FFF; border-radius: 4px; text-decoration: none; transition: 0.3s; }
.btn-footer:hover { background-color: transparent; color: #FFF; border: 1px solid #FFF; }

/* --- MODALS --- */
.ask-modal { border: none; border-radius: 16px; background-color: #F9F8F4; padding: 40px 40px 32px 40px; position: relative; box-shadow: 0 20px 60px rgba(44,51,37,0.15); }
.ask-modal-close { position: absolute; top: 20px; right: 20px; width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; background: transparent; border: 1px solid rgba(44,51,37,0.15); border-radius: 50%; color: var(--color-text-dark); cursor: pointer; transition: 0.3s; padding: 0; }
.ask-modal-close:hover { background: var(--color-btn-bg); color: #FFF; border-color: var(--color-btn-bg); }
.ask-modal-title { font-family: var(--font-serif); font-size: 26px; margin-bottom: 16px; color: var(--color-text-dark); }
.ask-modal-subtitle { font-size: 14px; line-height: 1.6; color: var(--color-text-muted); margin-bottom: 24px; }
.ask-form-group { margin-bottom: 16px; }
.ask-form-input { width: 100%; padding: 12px 16px; font-size: 14px; background: #FFF; border: 1px solid rgba(44,51,37,0.15); border-radius: 8px; outline: none; transition: 0.3s; color: var(--color-text-dark); }
.ask-form-input:focus { border-color: var(--color-btn-bg); box-shadow: 0 0 0 3px rgba(62,74,53,0.1); }
.ask-form-submit { width: 100%; height: 48px; justify-content: center; font-size: 15px; margin-top: 10px; }

/* --- ANIMATIONS --- */
[data-animate] { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease, transform 0.8s ease; }
[data-animate].is-visible { opacity: 1; transform: translateY(0); }

/* --- MEDIA ADAPTIVE --- */
@media (max-width: 991.98px) {
    .hero-section { min-height: auto; padding: 40px 0; display: block; }
    .hero-image-bg { position: relative; width: 100%; height: 400px; margin-top: 30px; }
    .hero-image { object-position: center 15%; -webkit-mask-image: radial-gradient(ellipse at 50% 35%, black 55%, transparent 95%); mask-image: radial-gradient(ellipse at 50% 35%, black 55%, transparent 95%); }
    .hero-title { font-size: 36px; }

    .ai-bot-card { flex-direction: column; min-height: auto; }
    .ai-bot-image-bg { position: relative; width: 100%; height: 250px; order: 2; margin-top: 20px; }
    .ai-bot-content { max-width: 100%; padding: 30px 24px; order: 1; }
    .ai-bot-title { font-size: 28px; }

    .footer-features { flex-direction: column; gap: 20px; margin-top: 30px; }
    .footer-feature { flex-direction: row; text-align: left; gap: 15px; }
    .btn-footer { width: 100%; margin-top: 20px; }
}