/**
 * Landing Page Styles
 * Адаптивный лендинг для Humanitec
 */

/* CSS переменные из макета */
:root {
    /* Цвета лендинга */
    --landing-primary: #5768FE;
    --landing-secondary: #E8E8E8;
    --landing-bg: #0F0F0F;
    --landing-text: #FFFFFF;
    --landing-text-muted: #A0A0A0;
    
    /* Шрифты */
    --font-condensed: 'Fira Sans Condensed', sans-serif;
    --font-main: 'Fira Sans', sans-serif;
    
    /* Breakpoints */
    --breakpoint-mobile: 428px;
    --breakpoint-tablet: 768px;
    --breakpoint-desktop: 1440px;
    
    /* Spacing (mobile first) */
    --section-padding: 40px 20px;
    --container-max-width: 428px;
    
    /* Typography sizes (mobile first) */
    --h1-size: 80px;
    --h2-size: 40px;
    --h3-size: 24px;
    --body-size: 16px;
    --small-size: 14px;
    
    /* Effects */
    --blur-sm: 50px;
    --blur-md: 100px;
    --blur-lg: 150px;
    
    /* Transitions */
    --transition-default: all 0.3s ease;
    --transition-smooth: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Tablet */
@media (min-width: 768px) {
    :root {
        --section-padding: 60px 40px;
        --container-max-width: 768px;
        
        --h1-size: 150px;
        --h2-size: 60px;
        --h3-size: 32px;
        --body-size: 18px;
    }
}

/* Desktop */
@media (min-width: 1440px) {
    :root {
        --section-padding: 100px 80px;
        --container-max-width: 1440px;
        
        --h1-size: 276px;
        --h2-size: 80px;
        --h3-size: 50px;
        --body-size: 20px;
    }
}

/* Глобальные стили */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--landing-text);
    background: var(--landing-bg);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-condensed);
    font-weight: 500;
    line-height: 1.2;
}

h1 {
    font-size: var(--h1-size);
}

h2 {
    font-size: var(--h2-size);
}

h3 {
    font-size: var(--h3-size);
}

p {
    font-size: var(--body-size);
    line-height: 1.6;
}

a {
    color: var(--landing-secondary);
    text-decoration: none;
    transition: var(--transition-default);
}

a:hover {
    color: var(--landing-primary);
}

/* Контейнеры */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: var(--section-padding);
    position: relative;
}

/* Blur эффекты для фонов */
.blur-bg {
    position: absolute;
    border-radius: 50%;
    filter: blur(var(--blur-md));
    pointer-events: none;
    z-index: 0;
}

.blur-bg--primary {
    background: rgba(87, 104, 254, 0.6);
}

.blur-bg--white {
    background: rgba(255, 255, 255, 0.2);
}

.blur-bg--large {
    filter: blur(var(--blur-lg));
}

/* Кнопки (переопределение для лендинга) */
.btn-primary {
    background: var(--landing-primary);
    color: var(--landing-secondary);
    padding: 12px 24px;
    border-radius: 40px;
    font-family: var(--font-main);
    font-weight: 500;
    font-size: 20px;
    border: none;
    cursor: pointer;
    transition: var(--transition-default);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary:hover {
    background: #6877ff;
    transform: translateY(-2px);
}

.btn-transparent {
    background: transparent;
    color: var(--landing-secondary);
    border: 1px solid var(--landing-secondary);
    padding: 12px 24px;
    border-radius: 40px;
    font-family: var(--font-main);
    font-weight: 500;
    font-size: 20px;
    cursor: pointer;
    transition: var(--transition-default);
}

.btn-transparent:hover {
    background: rgba(87, 104, 254, 0.1);
    border-color: var(--landing-primary);
}

/* Badge стили */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    font-size: 14px;
    white-space: nowrap;
    backdrop-filter: blur(10px);
}

@media (min-width: 768px) {
    .badge {
        padding: 10px 20px;
        font-size: 16px;
    }
}

@media (min-width: 1440px) {
    .badge {
        padding: 12px 24px;
        font-size: 18px;
    }
}

/* Анимации */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

.animate-fade-in {
    animation: fadeIn 0.6s ease-out;
}

.animate-slide-in {
    animation: slideIn 0.6s ease-out;
}

/* Утилиты */
.text-primary {
    color: var(--landing-primary);
}

.text-secondary {
    color: var(--landing-secondary);
}

.text-muted {
    color: var(--landing-text-muted);
}

.text-center {
    text-align: center;
}

.text-uppercase {
    text-transform: uppercase;
}

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mt-5 { margin-top: 48px; }

.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mb-5 { margin-bottom: 48px; }

/* Responsive утилиты */
.mobile-only {
    display: block;
}

.tablet-only,
.desktop-only {
    display: none;
}

@media (min-width: 768px) {
    .mobile-only {
        display: none;
    }
    
    .tablet-only {
        display: block;
    }
}

@media (min-width: 1440px) {
    .tablet-only {
        display: none;
    }
    
    .desktop-only {
        display: block;
    }
}