/* ============================================
   MAIN PAGE CSS
   Стили, уникальные для главной страницы
   - Hero Section
   - Dropzone (зона загрузки)
   - Tool Selection (выбор инструмента после загрузки)
   ============================================ */

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    padding: calc(80px + var(--space-3xl)) 0 var(--space-3xl);
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero__content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero__badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    backdrop-filter: blur(10px);
}

.hero__title {
    font-size: clamp(32px, 6vw, 64px);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-lg);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-xl);
    line-height: 1.7;
}

/* Background Orbs */
.hero__bg-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    pointer-events: none;
    animation: float 20s ease-in-out infinite;
}

.hero__bg-orb--1 {
    width: 400px;
    height: 400px;
    background: var(--color-secondary);
    top: 10%;
    left: -10%;
    animation-delay: -5s;
}

.hero__bg-orb--2 {
    width: 350px;
    height: 350px;
    background: var(--color-primary);
    bottom: 10%;
    right: -5%;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

/* ============================================
   DROPZONE
   ============================================ */
.dropzone {
    position: relative;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: all var(--transition-base);
    cursor: pointer;
    margin-top: var(--space-xl);
}

.dropzone:hover,
.dropzone:focus-within {
    border-color: var(--color-primary);
    background: rgba(0, 240, 255, 0.03);
    box-shadow: 0 0 40px rgba(0, 240, 255, 0.1);
}

.dropzone--dragover {
    border-color: var(--color-primary);
    background: rgba(0, 240, 255, 0.08);
    transform: scale(1.02);
    box-shadow: 0 0 60px rgba(0, 240, 255, 0.2);
}

.dropzone__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
}

.dropzone__icon {
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
    transition: transform var(--transition-base);
}

.dropzone:hover .dropzone__icon {
    transform: translateY(-4px);
}

.dropzone__text {
    font-size: var(--font-size-lg);
    font-weight: 500;
    color: var(--text-primary);
}

.dropzone__formats {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.dropzone__btn {
    margin-top: var(--space-md);
}

.dropzone__input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    overflow: hidden;
}

/* Dropzone Loaded State */
.dropzone__loaded {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
    animation: fadeIn 0.3s ease;
}

.dropzone__file-info {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.dropzone__file-info svg {
    color: var(--color-primary);
    flex-shrink: 0;
}

.dropzone__choose-tool {
    font-size: var(--font-size-base);
    color: var(--text-primary);
    font-weight: 500;
}

.dropzone__tools {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    justify-content: center;
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */
@media (max-width: 480px) {
    .hero {
        padding-top: calc(60px + var(--space-2xl));
    }
    
    .dropzone {
        padding: var(--space-xl);
    }
}