/* ============================================================
   Fresh — Grav Theme Stylesheet
   Self-hosted Barlow font, dark/crimson design language
   ============================================================ */

/* ------------------------------------------------------------
   Self-hosted Barlow Font
   Place font files in /user/themes/fresh/fonts/
   ------------------------------------------------------------ */
@font-face {
    font-family: 'Barlow';
    src: url('../fonts/barlow-regular.woff2') format('woff2'),
         url('../fonts/barlow-regular.woff') format('woff');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Barlow';
    src: url('../fonts/barlow-italic.woff2') format('woff2'),
         url('../fonts/barlow-italic.woff') format('woff');
    font-weight: 400;
    font-style: italic;
    font-display: swap;
}

@font-face {
    font-family: 'Barlow';
    src: url('../fonts/barlow-semibold.woff2') format('woff2'),
         url('../fonts/barlow-semibold.woff') format('woff');
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Barlow';
    src: url('../fonts/barlow-bold.woff2') format('woff2'),
         url('../fonts/barlow-bold.woff') format('woff');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Barlow';
    src: url('../fonts/barlow-extrabold.woff2') format('woff2'),
         url('../fonts/barlow-extrabold.woff') format('woff');
    font-weight: 800;
    font-style: normal;
    font-display: swap;
}

/* ------------------------------------------------------------
   CSS Custom Properties
   ------------------------------------------------------------ */
:root {
    --color-bg:           #0d0d0d;
    --color-bg-alt:       #161616;
    --color-bg-card:      #1e1e1e;
    --color-border:       #2a2a2a;

    --color-accent:       #DC143C;
    --color-accent-hover: #ff1a47;
    --color-accent-dark:  #9e0e2b;

    --color-text:         #e8e8e8;
    --color-text-muted:   #888888;
    --color-text-heading: #ffffff;

    --font-family:        'Barlow', system-ui, -apple-system, sans-serif;
    --font-size-base:     1rem;
    --line-height-base:   1.65;

    --radius:             4px;
    --radius-lg:          8px;

    --transition:         150ms ease;

    --header-height:      64px;
    --max-width:          1100px;
    --gutter:             clamp(1rem, 4vw, 2rem);
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover, a:focus-visible {
    color: var(--color-accent-hover);
    text-decoration: underline;
}

:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
}

ul, ol {
    padding-left: 1.5rem;
}

/* ------------------------------------------------------------
   Typography
   ------------------------------------------------------------ */
h1, h2, h3, h4, h5, h6 {
    color: var(--color-text-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 0.6em;
}

h1 { font-size: clamp(2rem, 5vw, 3.25rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

p { margin-bottom: 1.2em; }

p:last-child { margin-bottom: 0; }

strong, b { font-weight: 700; color: var(--color-text-heading); }

em, i { font-style: italic; }

blockquote {
    border-left: 4px solid var(--color-accent);
    padding: 0.75rem 1.25rem;
    margin: 1.5rem 0;
    background: var(--color-bg-card);
    border-radius: 0 var(--radius) var(--radius) 0;
    color: var(--color-text-muted);
    font-style: italic;
}

code {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: 0.875em;
    padding: 0.15em 0.4em;
    color: var(--color-accent);
}

pre {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow-x: auto;
    padding: 1.25rem;
    margin: 1.5rem 0;
}

pre code {
    background: none;
    border: none;
    padding: 0;
    font-size: 0.9rem;
    color: var(--color-text);
}

hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: 2rem 0;
}

/* ------------------------------------------------------------
   Layout
   ------------------------------------------------------------ */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: var(--gutter);
}

.main-content {
    flex: 1;
    padding-block: clamp(2rem, 6vw, 4rem);
}

/* ------------------------------------------------------------
   Site Header
   ------------------------------------------------------------ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--header-height);
    background-color: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.site-logo {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--color-text-heading);
    text-decoration: none;
    letter-spacing: -0.02em;
    transition: color var(--transition);
}

.site-logo:hover, .site-logo:focus-visible {
    color: var(--color-accent);
    text-decoration: none;
}

/* Accent bar on logo */
.site-logo::after {
    content: '.';
    color: var(--color-accent);
}

/* ------------------------------------------------------------
   Navigation
   ------------------------------------------------------------ */
.main-nav {}

.nav-list {
    list-style: none;
    padding: 0;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-link {
    display: block;
    padding: 0.4rem 0.85rem;
    color: var(--color-text);
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius);
    text-decoration: none;
    transition: color var(--transition), background-color var(--transition);
}

.nav-link:hover, .nav-link:focus-visible {
    color: var(--color-accent);
    background-color: rgba(220, 20, 60, 0.08);
    text-decoration: none;
}

.nav-item--active .nav-link {
    color: var(--color-accent);
}

.nav-item--active .nav-link::after {
    content: '';
    display: block;
    height: 2px;
    background: var(--color-accent);
    margin-top: 2px;
    border-radius: 1px;
}

/* Hamburger toggle — hidden on desktop */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    border-radius: var(--radius);
    transition: background-color var(--transition);
}

.nav-toggle:hover {
    background-color: var(--color-bg-card);
}

.nav-toggle__bar {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}

/* Open state */
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
    opacity: 0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ------------------------------------------------------------
   Buttons
   ------------------------------------------------------------ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1.4rem;
    border-radius: var(--radius);
    font-family: var(--font-family);
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none;
    cursor: pointer;
    transition: background-color var(--transition), color var(--transition), border-color var(--transition);
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
}

.btn-primary:hover, .btn-primary:focus-visible {
    background-color: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    color: #fff;
    text-decoration: none;
}

.btn-outline {
    background-color: transparent;
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.btn-outline:hover, .btn-outline:focus-visible {
    background-color: var(--color-accent);
    color: #fff;
    text-decoration: none;
}

/* ------------------------------------------------------------
   Error Page
   ------------------------------------------------------------ */
.error-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: clamp(3rem, 10vw, 8rem) 0;
    gap: 1.5rem;
}

.error-code {
    font-size: clamp(5rem, 20vw, 12rem);
    font-weight: 800;
    color: var(--color-accent);
    line-height: 1;
    letter-spacing: -0.04em;
}

.error-message {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: 0;
}

/* ------------------------------------------------------------
   Cards
   ------------------------------------------------------------ */
.card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: clamp(1.25rem, 3vw, 2rem);
    transition: border-color var(--transition);
}

.card:hover {
    border-color: var(--color-accent);
}

/* ------------------------------------------------------------
   Modular Sections
   ------------------------------------------------------------ */
.modular-section {
    padding-block: clamp(3rem, 8vw, 6rem);
}

.modular-section + .modular-section {
    border-top: 1px solid var(--color-border);
}

/* ------------------------------------------------------------
   Site Footer
   ------------------------------------------------------------ */
.site-footer {
    background-color: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    padding-block: 1.75rem;
    margin-top: auto;
}

.footer-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.footer-links {
    display: flex;
    gap: 1.25rem;
}

.footer-link {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    text-decoration: none;
    transition: color var(--transition);
}

.footer-link:hover, .footer-link:focus-visible {
    color: var(--color-accent);
    text-decoration: none;
}

.footer-copy {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin: 0;
}

/* ------------------------------------------------------------
   Prose Content
   ------------------------------------------------------------ */
.prose h1,
.prose h2,
.prose h3,
.prose h4 {
    margin-top: 2em;
}

.prose h2 {
    padding-bottom: 0.4em;
    border-bottom: 1px solid var(--color-border);
}

.prose ul,
.prose ol {
    margin-bottom: 1.2em;
}

.prose li {
    margin-bottom: 0.4em;
}

.prose a {
    color: var(--color-accent);
    text-decoration: underline;
}

/* ------------------------------------------------------------
   Responsive — Tablet & Mobile
   ------------------------------------------------------------ */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background-color: var(--color-bg-alt);
        border-bottom: 1px solid var(--color-border);
        padding: 1rem var(--gutter);
        z-index: 99;
    }

    .main-nav.is-open {
        display: block;
    }

    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }

    .nav-link {
        width: 100%;
        padding: 0.75rem 0.5rem;
        font-size: 1rem;
    }

    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    :root {
        --header-height: 56px;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }
}