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

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + 12px);
}

body {
    font-family: "Segoe UI", Inter, Roboto, Arial, sans-serif;
    color: var(--color-text);
    background:
        radial-gradient(circle at 15% 15%, rgba(26, 167, 255, 0.12), transparent 22%),
        radial-gradient(circle at 85% 10%, rgba(142, 227, 255, 0.16), transparent 20%),
        linear-gradient(180deg, #eff8ff 0%, #f7fbff 42%, #edf5fb 100%);
    line-height: 1.65;
    overflow-x: hidden;
}

body.menu-open,
body.modal-open {
    overflow: hidden;
}

img,
iframe {
    display: block;
    max-width: 100%;
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
textarea {
    font: inherit;
}

.container {
    width: min(100% - 32px, var(--container));
    margin: 0 auto;
}

.skip-link {
    position: absolute;
    top: -48px;
    left: 16px;
    padding: 10px 14px;
    background: var(--color-secondary);
    color: var(--color-light);
    border-radius: 999px;
    z-index: 1200;
    transition: top var(--transition);
}

.skip-link:focus {
    top: 16px;
}

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0;
    z-index: 1400;
    background: var(--gradient-primary);
    box-shadow: 0 0 18px rgba(26, 167, 255, 0.5);
}

.section {
    position: relative;
    padding: 108px 0;
}

.section-soft {
    background: rgba(255, 255, 255, 0.55);
    backdrop-filter: blur(10px);
}

.section-head {
    max-width: 820px;
    margin: 0 auto 54px;
    text-align: center;
}

.section-kicker,
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.48);
    box-shadow: 0 10px 26px rgba(9, 39, 59, 0.08);
    color: var(--color-primary-dark);
    font-size: 0.92rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.section-title {
    margin-top: 20px;
    font-size: clamp(2rem, 4vw, 3.2rem);
    line-height: 1.1;
    color: var(--color-secondary);
}

.section-title-left {
    text-align: left;
}

.section-intro,
.section-head p,
.contact-cta p,
.info-panel p,
.product-card p,
.modal-text,
.contact-item small {
    color: var(--color-text-soft);
}

code {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    background: rgba(26, 167, 255, 0.08);
    color: var(--color-primary-dark);
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *, *::before, *::after {
        animation: none !important;
        transition: none !important;
    }
}