:root {
    --font-heading: 'Sora', sans-serif;
    --font-body: 'Work Sans', sans-serif;
    --color-bg: #06111f;
    --color-bg-deep: #081423;
    --color-bg-soft: #0c1a2b;
    --color-surface: rgba(13, 27, 44, 0.92);
    --color-surface-alt: rgba(16, 33, 53, 0.94);
    --color-surface-soft: rgba(20, 40, 64, 0.88);
    --color-surface-muted: rgba(10, 22, 37, 0.96);
    --color-text: #d8e4f3;
    --color-text-strong: #f8fbff;
    --color-text-muted: #9cb1c7;
    --color-text-soft: #b9cadc;
    --color-accent: #3dd9eb;
    --color-accent-strong: #15b8cf;
    --color-accent-alt: #7dd3fc;
    --color-accent-soft: rgba(61, 217, 235, 0.12);
    --color-success: #34d399;
    --color-success-hover: #22c58b;
    --color-border: rgba(157, 183, 214, 0.14);
    --color-border-strong: rgba(61, 217, 235, 0.3);
    --gradient-accent: linear-gradient(135deg, #3dd9eb 0%, #15b8cf 100%);
    --gradient-surface: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
    --shadow-sm: 0 10px 30px rgba(2, 10, 23, 0.18);
    --shadow-md: 0 22px 60px rgba(2, 10, 23, 0.28);
    --shadow-lg: 0 36px 90px rgba(2, 10, 23, 0.38);
    --radius-sm: 14px;
    --radius-md: 20px;
    --radius-lg: 30px;
    --radius-pill: 999px;
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.5rem;
    --space-6: 2rem;
    --space-7: 3rem;
    --space-8: 4rem;
    --space-9: 5rem;
    --space-10: 6rem;
    --container-max: 1180px;
    --content-max: 760px;
    --transition: 0.25s ease;
}

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

html {
    scroll-behavior: smooth;
}

body,
h1,
h2,
h3,
h4,
p,
ul,
ol,
li,
figure,
blockquote {
    margin: 0;
}

ul,
ol {
    padding: 0;
}

body {
    min-height: 100vh;
    overflow-x: hidden;
    font-family: var(--font-body);
    line-height: 1.7;
    color: var(--color-text);
    background:
        radial-gradient(circle at top left, rgba(61, 217, 235, 0.12), transparent 28%),
        radial-gradient(circle at top right, rgba(125, 211, 252, 0.08), transparent 25%),
        linear-gradient(180deg, #06111f 0%, #081423 42%, #091726 100%);
}

body.mobile-menu-open {
    overflow: hidden;
}

img {
    display: block;
    max-width: 100%;
    height: auto;
}

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid rgba(61, 217, 235, 0.8);
    outline-offset: 3px;
}

button,
input,
select,
textarea {
    font: inherit;
}

button {
    cursor: pointer;
}

main,
section,
article,
nav,
footer,
header {
    display: block;
}

[id] {
    scroll-margin-top: 7rem;
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    line-height: 1.08;
    letter-spacing: -0.03em;
    color: var(--color-text-strong);
}

h1 {
    font-size: clamp(2.6rem, 5vw, 4.4rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.15rem, 2vw, 1.4rem);
}

p,
li {
    color: var(--color-text-muted);
}

strong {
    color: var(--color-text-strong);
}

main {
    position: relative;
}

.section-shell,
.container {
    width: min(100% - 2rem, var(--container-max));
    margin: 0 auto;
}

.section-heading {
    max-width: 760px;
    margin-bottom: var(--space-6);
}

.section-heading--center {
    margin-inline: auto;
    text-align: center;
}

.section-heading p {
    margin-top: var(--space-4);
    font-size: 1.05rem;
    color: var(--color-text-soft);
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 0.85rem;
    border: 1px solid rgba(61, 217, 235, 0.18);
    border-radius: var(--radius-pill);
    background: rgba(61, 217, 235, 0.08);
    color: var(--color-accent);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.eyebrow::before {
    content: '';
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background: currentColor;
    box-shadow: 0 0 0 0.3rem rgba(61, 217, 235, 0.15);
}

.skip-link {
    position: absolute;
    left: 1rem;
    top: -3.5rem;
    z-index: 3000;
    padding: 0.8rem 1rem;
    border-radius: var(--radius-pill);
    background: var(--gradient-accent);
    color: #03131e;
    font-family: var(--font-heading);
    font-weight: 600;
    transition: top var(--transition);
}

.skip-link:focus {
    top: 1rem;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

::selection {
    background: var(--color-accent);
    color: #04111d;
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}
