/* Table of Contents
# Reset
# Tokens
# Base
# Typography
# Links & Buttons
# Layout
# Navigation
# Home
# Work
# Project Pages
# Forms
# Utilities
# Media Queries
*/

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

* {
    margin: 0;
    padding: 0;
    border: 0;
}

/* # Tokens */
:root {
    /* Nord Palette */
    --nord0: #2e3440;
    --nord1: #3b4252;
    --nord2: #434c5e;
    --nord3: #4c566a;
    --nord4: #d8dee9;
    --nord5: #e5e9f0;
    --nord6: #eceff4;

    --nord7: #8fbcbb;
    --nord8: #88c0d0;
    --nord9: #81a1c1;
    --nord10: #5e81ac;

    --nord11: #bf616a;
    --nord12: #d08770;
    --nord13: #ebcb8b;
    --nord14: #a3be8c;
    --nord15: #b48ead;

    /* Your system mapping */
    --color-bg: var(--nord6);
    --color-surface: var(--nord5);
    --color-text: var(--nord0);
    --color-heading: var(--nord0);
    --color-muted: var(--nord3);
    --color-link: var(--nord10);
    --color-link-light: var(--nord9);
    --color-border: var(--nord4);
    --color-placeholder: var(--nord3);
    --color-white: #ffffff;

    --font-sans: Verdana, Helvetica, Arial, sans-serif;

    --space-1: .5rem;
    --space-2: 1rem;
    --space-3: 2rem;
    --space-4: 4rem;

    --radius-sm: 4px;
    --content-width: 48rem;
    --transition-fast: .2s ease;
}

/* # Base */
body {
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-sans);
    line-height: 1.25;
}

hr {
    background: var(--color-border);
    height: 1px;
    margin-bottom: var(--space-2);
}

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

ul,
ol {
    margin: 0 0 var(--space-3) 1.5rem;
    padding: 0;
}

li + li {
    margin-top: var(--space-1);
}

i,
em {
    font-style: italic;
}

b,
strong,
dt {
    font-weight: 700;
}

dd {
    margin-bottom: var(--space-2);
}

dd:last-of-type {
    margin-bottom: 0;
}

/* # Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--color-heading);
    font-family: var(--font-sans);
    font-weight: 700;
    margin-bottom: var(--space-3);
}

h1 small,
h2 small,
h3 small,
h4 small,
h5 small,
h6 small {
    color: var(--color-muted);
    font-size: 75%;
}

h1,
.intro h1 {
    font-size: 2rem;
    line-height: 1.25;
}

h2 {
    font-size: 1.625rem;
    line-height: 1.15384615;
}

h3 {
    font-size: 1.375rem;
    line-height: 1.13636364;
}

h4 {
    font-size: 1.125rem;
    line-height: 1.11111111;
}

h5 {
    font-size: .875rem;
}

h6 {
    font-size: .75rem;
}

p,
small {
    margin-bottom: var(--space-3);
}

blockquote,
.intro p:nth-child(2) {
    font-size: 1.25rem;
    line-height: 1.25;
}

small {
    font-size: .875rem;
}

/* # Links & Buttons */
a {
    color: var(--color-text);
    text-decoration: none;
    border-bottom: 2px solid var(--color-link-light);
    transition:
        background-color var(--transition-fast),
        color var(--transition-fast),
        border-color var(--transition-fast);
}

a:hover,
a:focus {
    color: var(--color-link);
    background: transparent;
}

a:focus-visible,
button:focus-visible {
    outline: 4px solid var(--color-link);
    outline-offset: 4px;
}

button,
.button {
    display: inline-block;
    background: var(--nord10);
    border-radius: var(--radius-sm);
    color: var(--color-white);
    font-size: 1rem;
    padding: var(--space-2) var(--space-3);
    text-decoration: none;
    transition:
        background-color var(--transition-fast),
        color var(--transition-fast),
        border-color var(--transition-fast);
}

button:hover,
button:focus,
.button:hover,
.button:focus {
    background: var(--nord9);
    cursor: pointer;
}

a.button {
    border-bottom: none;
    color: var(--color-white);
}

/* # Layout */
.grid-container {
    width: 100%;
    max-width: var(--content-width);
    margin: 0 auto;
}

.grid-container__row {
    padding: var(--space-3) var(--space-2);
}


/* # Navigation */
.navigation ul {
    display: flex;
    gap: var(--space-2);
    list-style: none;
    margin: 0;
    padding: 0;
}

.navigation li {
    margin: 0;
}


/* # Home */
.cover-image {
    background:
        linear-gradient(
            rgba(46, 52, 64, 0.45),
            rgba(46, 52, 64, 0.55)
        ),
        url("../img/header-3.jpg") no-repeat center;
    background-size: cover;
}

.intro {
    color: var(--color-white);
    margin: var(--space-4) 0;
}

.intro h1 {
    font-weight: 700;
}

.cover-image h1,
.cover-image p,
.cover-image small,
.cover-image a {
    color: var(--color-white);
}

/* # Work */
.list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    list-style: none;
    margin: 0;
    padding: 0;
}

.list-item {
    display: block;
}

.list-link {
    display: block;
    background: var(--color-white);
    border: 1px solid var(--nord4);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    padding: 1.5rem;
    text-decoration: none;
    transition:
        transform var(--transition-fast),
        background-color var(--transition-fast),
        box-shadow var(--transition-fast),
        border-color var(--transition-fast);
}

.list-link:hover,
.list-link:focus {
    transform: translateY(-2px);
    background: var(--color-white);
    border-color: var(--color-link);
    box-shadow: 0 10px 24px rgba(46, 52, 64, 0.12);
}

.list-link h3 {
    color: var(--nord0);
    margin-bottom: var(--space-2);
    transition: color var(--transition-fast);
}

.list-link:hover h3,
.list-link:focus h3 {
    color: var(--color-link);
}

.list-link p {
    margin-bottom: 0;
}

/* # Project Pages */
.project h1,
.project h2,
.project h3,
.project h4,
.project p,
.project small {
    margin: var(--space-2) 0;
}

.project h2 {
    margin-top: var(--space-4);
}

.project h3 {
    margin-top: var(--space-3);
    margin-bottom: var(--space-1);
}

.project .lede {
    margin-top: var(--space-2);
    margin-bottom: var(--space-4);
}

.project .project-nav {
    margin-top: var(--space-4);
}

.project img {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    margin: var(--space-3) 0;
}

figure {
    margin: var(--space-3) 0;
}

figcaption small {
    display: block;
    margin-top: var(--space-1);
}

/* # Forms */
label,
input,
textarea,
button {
    display: block;
}

label {
    color: var(--color-text);
    font-size: 1rem;
    margin-bottom: var(--space-1);
}

input,
textarea {
    width: 100%;
    border: 1px solid var(--color-border);
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: .875rem;
    margin-bottom: var(--space-2);
    padding: var(--space-1);
}

input::placeholder,
textarea::placeholder {
    color: var(--color-placeholder);
}

form button,
.g-recaptcha {
    margin-right: var(--space-2);
}

.g-recaptcha {
    margin-bottom: var(--space-2);
}


/* # Utilities */
.hide-text {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    left: -10000px;
    top: auto;
}

.line-through {
    text-decoration: line-through;
}


/* # Media Queries */
@media (min-width: 30rem) {
    body {
        line-height: 1.375;
    }

    h1,
    .intro h1 {
        font-size: 2.5rem;
        line-height: 1.125;
    }

    h2 {
        font-size: 2rem;
        line-height: 1.25;
    }

    h3 {
        font-size: 1.5rem;
        line-height: 1.25;
    }

    h4 {
        line-height: 1.22222222;
    }

    blockquote,
    .intro p:nth-child(2) {
        font-size: 1.5rem;
        line-height: 1.45833333;
    }
}

@media (min-width: 48rem) {
    h1,
    .intro h1 {
        font-size: 3rem;
        line-height: 1.05;
    }

    h2 {
        font-size: 2.25rem;
        line-height: 1.25;
    }

    h3 {
        font-size: 1.75rem;
        line-height: 1.25;
    }
}