/* S.F.E. Medical Luxury Design System */
:root {
    --color-bg: #0d0d0d;
    --color-text-bone: #f5f5ef;
    --color-text-dim: rgba(245, 245, 239, 0.5);
    --color-border: rgba(245, 245, 239, 0.15);

    --font-sans: 'Satoshi', sans-serif;
    --font-serif: 'Instrument Serif', serif;

    /* Алиасы для совместимости с кодом футера */
    --bg-void: #0d0d0d;
    --text-main: #f5f5ef;
    --text-subtle: rgba(245, 245, 239, 0.5);
    --font-main: 'Satoshi', sans-serif;
    --fs-h1: clamp(2.2rem, 4.5vw, 6rem);
    --accent-glow: #f5f5ef;

    /* Layout */
    --section-gap: 8vh;
    --btn-radius: 8px;

    /* Timing */
    --btn-press: 0.2s;
    --ease-out-soft: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-ink: cubic-bezier(0.77, 0, 0.175, 1);
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    background-color: var(--color-bg);
    scroll-snap-type: y mandatory;
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text-bone);
    font-family: var(--font-sans);
    
    /* 120 FPS iOS ProMotion optimizations */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    
    overflow-x: hidden;
}

body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 9999;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.05'/%3E%3C/svg%3E");
}

button {
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    color: inherit;
}