/* === Кубань-Потолки — Основные стили (Tailwind CDN + кастомные) === */

body {
    font-family: 'Inter', sans-serif;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
}

/* Квиз-калькулятор */
.quiz-step { display: none; }
.quiz-step.active { display: block; animation: fadeIn 0.3s ease-in-out; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Скролл-анимации (AOS fallback) */
[data-aos] { transition-property: opacity, transform; }

/* Кастомный скроллбар */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #f1f5f9; }
::-webkit-scrollbar-thumb { background: #0056B3; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #003d82; }

/* Hero-градиент */
.hero-gradient {
    background: linear-gradient(135deg, rgba(0, 86, 179, 0.05) 0%, rgba(255, 140, 0, 0.05) 100%);
}

/* Карточки услуг */
/* Таблица цен */
.price-table tr:nth-child(even) { background-color: #f8fafc; }
.price-table tr:hover { background-color: #eff6ff; }

/* ============================================
   МОУШН-ДИЗАЙН — Кубань-Потолки (2026)
   ============================================ */

/* --- 1. Волна потолка в Hero (имитация натянутой плёнки) --- */
.ceiling-wave {
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 200%;
    height: 80px;
    animation: waveMove 8s linear infinite;
}

@keyframes waveMove {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* --- 2. Пульсация CTA кнопки --- */
.cta-pulse {
    animation: ctaPulse 2s ease-in-out infinite;
}
@keyframes ctaPulse {
    0%, 100% { box-shadow: 0 4px 15px rgba(255, 140, 0, 0.3); }
    50% { box-shadow: 0 4px 30px rgba(255, 140, 0, 0.6), 0 0 60px rgba(255, 140, 0, 0.15); }
}

/* --- 3. Анимированные счётчики (count-up) --- */
.counter-value {
    display: inline-block;
    transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* --- 4. Hover-эффект карточек услуг (усиленный) --- */
.service-card {
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94), 
                box-shadow 0.4s ease;
}
.service-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 25px 50px rgba(0, 86, 179, 0.2);
}
.service-card .card-icon {
    transition: transform 0.4s ease;
}
.service-card:hover .card-icon {
    transform: scale(1.1) rotate(-3deg);
}

/* --- 5. Параллакс-эффект для hero изображения --- */
.hero-image-parallax {
    transition: transform 0.1s ease-out;
    will-change: transform;
}

/* --- 6. Плавающие частицы на фоне Hero --- */
.particle {
    position: absolute;
    border-radius: 50%;
    background: rgba(0, 86, 179, 0.08);
    animation: floatParticle linear infinite;
}
@keyframes floatParticle {
    0% { transform: translateY(0) translateX(0) scale(1); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-400px) translateX(50px) scale(0.3); opacity: 0; }
}

/* --- 7. Анимация появления текста (typing-like) --- */
.text-reveal {
    overflow: hidden;
    display: inline-block;
}
.text-reveal span {
    display: inline-block;
    animation: textReveal 0.6s ease forwards;
    opacity: 0;
    transform: translateY(100%);
}
@keyframes textReveal {
    to { opacity: 1; transform: translateY(0); }
}

/* --- 8. Прогресс-бар квиза (усиленный) --- */
#quiz-progress {
    background: linear-gradient(90deg, #0056B3, #FF8C00);
    transition: width 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* --- 9. Ripple-эффект на кнопках --- */
.btn-ripple {
    position: relative;
    overflow: hidden;
}
.btn-ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}
.btn-ripple:active::after {
    width: 300px;
    height: 300px;
}

/* --- 10. Анимация FAQ (аккордеон) --- */
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}
.faq-item.open .faq-answer {
    max-height: 500px;
    padding-top: 12px;
}
.faq-icon {
    transition: transform 0.3s ease;
}
.faq-item.open .faq-icon {
    transform: rotate(45deg);
}

/* --- 11. Hover-эффект карточек портфолио --- */
.portfolio-card {
    overflow: hidden;
    position: relative;
}
.portfolio-card img {
    transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.portfolio-card:hover img {
    transform: scale(1.08);
}
.portfolio-card .overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.3s ease;
}
.portfolio-card:hover .overlay {
    opacity: 1;
}

/* --- 12. Анимация появления карточек отзывов --- */
.review-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.review-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

/* --- 13. Пульсация зелёного индикатора (бейдж) --- */
.animate-pulse {
    animation: pulseGreen 2s ease-in-out infinite;
}
@keyframes pulseGreen {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.3); }
}

/* --- 14. Hover-эффект логотипа в хэдер --- */
.group:hover .logo-icon {
    transform: rotate(-5deg) scale(1.1);
}