@import url("https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&display=swap");

:root {
    /* Brand colour system */
    --color-obsidian-950: #050608;
    --color-obsidian-900: #090b0f;
    --color-obsidian-850: #0d1118;
    --color-midnight-800: #0b172b;
    --color-midnight-700: #122746;
    --color-blue-400: #8fa9c8;
    --color-blue-300: #b9cce1;
    --color-platinum-300: #c7ccd4;
    --color-platinum-200: #dce0e6;
    --color-ivory-100: #f3f0e8;
    --color-white: #ffffff;
    --color-black: #000000;

    /* Semantic colour roles */
    --color-bg: var(--color-obsidian-950);
    --color-surface: var(--color-obsidian-900);
    --color-surface-raised: var(--color-obsidian-850);
    --color-surface-accent: var(--color-midnight-800);
    --color-text: var(--color-ivory-100);
    --color-text-strong: var(--color-white);
    --color-text-muted: #969da8;
    --color-accent: var(--color-blue-400);
    --color-accent-soft: var(--color-blue-300);
    --color-border: rgba(255, 255, 255, 0.14);
    --color-border-strong: rgba(255, 255, 255, 0.24);
    --color-overlay: rgba(5, 6, 8, 0.66);
    --color-focus: #c9ddf5;

    /* Type system */
    --font-display: "Poppins", Arial, sans-serif;
    --font-body: "Poppins", Arial, sans-serif;
    --text-display: clamp(3rem, 6vw, 6.5rem);
    --text-heading-1: clamp(2.6rem, 4.5vw, 5rem);
    --text-heading-2: clamp(2rem, 3.2vw, 3.5rem);
    --text-heading-3: clamp(1.35rem, 2vw, 2rem);
    --text-body-lg: clamp(1rem, 1.2vw, 1.125rem);
    --text-body: 0.9375rem;
    --text-small: 0.75rem;
    --tracking-tight: -0.035em;
    --tracking-label: 0.2em;

    /* Layout and spacing */
    --container-max: 95%;
    --container-gutter: clamp(1.25rem, 4vw, 4.5rem);
    --space-section: clamp(5rem, 10vw, 10rem);
    --space-3xs: 0.25rem;
    --space-2xs: 0.5rem;
    --space-xs: 0.75rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4.5rem;
    --space-3xl: 7rem;

    /* Shape, depth and motion */
    --radius-sm: 0.25rem;
    --radius-md: 0.75rem;
    --radius-pill: 999px;
    --shadow-float: 0 2rem 5rem rgba(0, 0, 0, 0.32);
    --ease-standard: cubic-bezier(0.22, 1, 0.36, 1);
    --duration-fast: 180ms;
    --duration-normal: 420ms;
    --duration-slow: 800ms;
}

@media (max-width: 47.99rem) {
    :root {
        --header-height: 4rem;
        --space-section: 5.5rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    :root {
        --duration-fast: 0ms;
        --duration-normal: 0ms;
        --duration-slow: 0ms;
    }
}

/* Global reset, typography and reusable components */

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

html {
    color-scheme: dark;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-width: 20rem;
    overflow-x: hidden;
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: var(--text-body);
    line-height: 1.65;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

body.menu-open {
    overflow: hidden;
}

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

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

button,
a {
    -webkit-tap-highlight-color: transparent;
}

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

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1,
h2,
h3 {
    color: var(--color-text-strong);
    font-family: var(--font-display);
    font-weight: 400;
    letter-spacing: var(--tracking-tight);
    line-height: 0.95;
}

::selection {
    background: var(--color-accent);
    color: var(--color-obsidian-950);
}

:focus-visible {
    outline: 2px solid var(--color-focus);
    outline-offset: 4px;
}

.skip-link {
    position: fixed;
    z-index: 1000;
    top: 1rem;
    left: 1rem;
    padding: 0.75rem 1rem;
    transform: translateY(-160%);
    background: var(--color-white);
    color: var(--color-black);
    transition: transform var(--duration-fast) ease;
}

.skip-link:focus {
    transform: translateY(0);
}

.container {
    width: min(100%, var(--container-max));
    margin-inline: auto;
    padding-inline: var(--container-gutter);
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
    color: var(--color-accent-soft);
    font-size: var(--text-small);
    font-weight: 600;
    letter-spacing: var(--tracking-label);
    line-height: 1.2;
    text-transform: uppercase;
}

.eyebrow::before {
    width: 2rem;
    height: 1px;
    background: currentColor;
    content: "";
}

.button {
    display: inline-flex;
    min-height: 3.25rem;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 0.85rem 1.5rem;
    border: 1px solid transparent;
    background: var(--color-ivory-100);
    color: var(--color-obsidian-950);
    cursor: pointer;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.17em;
    line-height: 1;
    text-transform: uppercase;
    transition:
        background-color var(--duration-fast) ease,
        border-color var(--duration-fast) ease,
        color var(--duration-fast) ease,
        transform var(--duration-fast) ease;
}

.button::after {
    font-size: 1rem;
    line-height: 0;
    content: "\2192";
    transition: transform var(--duration-fast) ease;
}

.button:hover {
    background: var(--color-white);
    transform: translateY(-2px);
}

.button:hover::after {
    transform: translateX(0.25rem);
}

.button--ghost {
    border-color: var(--color-border-strong);
    background: transparent;
    color: var(--color-text-strong);
}

.button--ghost:hover {
    border-color: var(--color-text-strong);
    background: rgba(255, 255, 255, 0.08);
}

.text-link {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding-bottom: 0.25rem;
    border-bottom: 1px solid var(--color-border-strong);
    font-size: var(--text-small);
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    transition: border-color var(--duration-fast) ease, color var(--duration-fast) ease;
}

.text-link::after {
    content: "\2197";
}

.text-link:hover {
    border-color: var(--color-accent-soft);
    color: var(--color-accent-soft);
}


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

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

    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }

}