/* ============================================
   HERO SECTION — LAYOUT & STATIC STYLES
   Подключать: <link rel="stylesheet" href="./css/hero.css">
============================================ */

.hero {
    position: relative;
    padding: 0;
    min-height: 100vh;
    display: block;
    overflow: hidden;
}

.hero > .stack-card__surface {
    position: relative;
    min-height: 100%;
    padding: 10rem 4rem 6rem 5vw;
    display: flex;
    align-items: center;
}

.hero-bg {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: -1;
}

.hero-bg-slides {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
}

.hero-bg-slide {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

.hero-bg-slide.active {
    opacity: 1;
}

.hero-bg-overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(10, 10, 10, 0.6);
    z-index: 0;
}

.hero-bg-blur {
    display: none;
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1400px;
    padding-right: 4rem;
}

.hero-title {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    font-size: clamp(2.5rem, 18vw, 15rem);
    font-weight: 900;
    letter-spacing: 0.1em;
    line-height: 0.9;
    margin-bottom: 1rem;
    color: #fff;
    text-transform: uppercase;
    white-space: nowrap;
}

.hero-slogan {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 3rem;
    font-size: clamp(1rem, 3vw, 2rem);
    font-weight: 500;
    color: #aaa;
    flex-wrap: nowrap;
}

.slogan-text {
    letter-spacing: 0.05em;
}

.pi-symbol {
    color: rgba(10, 0, 255, 0.8);
    font-size: clamp(1.5rem, 4vw, 3rem);
    font-weight: 700;
    text-shadow: 0 0 20px rgba(10, 0, 255, 0.5);
    animation: piGlow 2s ease-in-out infinite;
    display: inline-block;
}

@keyframes piGlow {
    0%, 100% { text-shadow: 0 0 20px rgba(10, 0, 255, 0.5); opacity: 1; }
    50%       { text-shadow: 0 0 40px rgba(10, 0, 255, 0.8); opacity: 0.8; }
}

.hero-links {
    display: flex;
    gap: 3rem;
    flex-wrap: wrap;
}

.hero-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.2rem;
    font-weight: 500;
    padding-bottom: 0.3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    transition: border-color 0.3s;
    color: #fff;
}

.hero-link:hover {
    border-color: rgba(10, 0, 255, 0.8);
    opacity: 1;
}

.link-count {
    font-size: 0.7rem;
    color: #666;
    vertical-align: super;
}

.link-arrow {
    font-size: 1.5rem;
    transition: transform 0.3s;
}

.hero-link:hover .link-arrow {
    transform: translateX(5px);
}

/* ============================================
   HERO — МОБИЛЬ
============================================ */
@media (max-width: 768px) {
    .hero {
        min-height: 100vh;
    }
    .hero > .stack-card__surface {
        min-height: 100vh;
        padding: 7rem 1.2rem 3rem;
        align-items: center;
    }
    .hero-content { padding-right: 0; }
    .hero-title   { font-size: clamp(3rem, 18vw, 8rem); white-space: nowrap; word-break: normal; }
    .hero-slogan  { font-size: clamp(0.9rem, 3.5vw, 1.4rem); flex-wrap: wrap; }
    .hero-links   { flex-direction: column; gap: 1.2rem; }
    .hero-link    { font-size: 1rem; }
}