/*
=============================================
SINGULARITY TECHNOLOGIES - STYLES
=============================================

COLOR CUSTOMIZATION:
Edit the CSS variables below in :root to change colors.

FONT CUSTOMIZATION:
Change --font-family to use a different font.
Update the Google Fonts link in index.html if needed.

=============================================
*/

/* ==========================================
   CSS VARIABLES
   ========================================== */
:root {
    /* Colors - Dark Theme */
    --color-bg: #0a0f1a;
    --color-bg-secondary: #111827;
    --color-bg-card: #1a2234;
    --color-text: #e5e7eb;
    --color-text-muted: #9ca3af;
    --color-text-heading: #ffffff;
    --color-accent: #3b82f6;
    --color-accent-hover: #60a5fa;
    --color-accent-dark: #1e40af;
    --color-border: #374151;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    --line-height-heading: 1.2;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Layout */
    --container-max-width: 1200px;
    --container-padding: 1.5rem;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

/* ==========================================
   RESET & BASE STYLES
   ========================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 1rem;
    line-height: var(--line-height-base);
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
    color: var(--color-accent-hover);
}

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

ul {
    list-style: none;
}

/* ==========================================
   TYPOGRAPHY
   ========================================== */
h1, h2, h3, h4, h5, h6 {
    color: var(--color-text-heading);
    line-height: var(--line-height-heading);
    font-weight: 600;
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
}

h2 {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
}

h3 {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
}

p {
    margin-bottom: var(--spacing-sm);
}

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

/* ==========================================
   LAYOUT
   ========================================== */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: var(--spacing-2xl) 0;
}

.section__header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section__title {
    margin-bottom: var(--spacing-sm);
}

.section__subtitle {
    color: var(--color-text-muted);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================
   HEADER / NAVIGATION
   ========================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(10, 15, 26, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

.header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.header__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    z-index: 1001;
    text-decoration: none;
}

.header__logo:hover {
    color: inherit;
}

.header__logo-icon {
    height: 36px;
    width: 36px;
    border-radius: 50%;
    object-fit: cover;
}

.header__logo-text {
    display: flex;
    align-items: baseline;
    gap: 0.35rem;
}

.header__logo-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text-heading);
}

.header__logo-suffix {
    font-size: 1.125rem;
    font-weight: 400;
    color: var(--color-text-muted);
}

/* Hide logo text on small screens */
@media (max-width: 480px) {
    .header__logo-suffix {
        display: none;
    }
}

@media (max-width: 360px) {
    .header__logo-text {
        display: none;
    }
}

.header__menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.header__menu-icon {
    position: relative;
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    transition: background-color var(--transition-fast);
}

.header__menu-icon::before,
.header__menu-icon::after {
    content: '';
    position: absolute;
    left: 0;
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    transition: transform var(--transition-base);
}

.header__menu-icon::before {
    top: -7px;
}

.header__menu-icon::after {
    top: 7px;
}

/* Menu open state */
.header__menu-toggle[aria-expanded="true"] .header__menu-icon {
    background-color: transparent;
}

.header__menu-toggle[aria-expanded="true"] .header__menu-icon::before {
    transform: rotate(45deg) translate(5px, 5px);
}

.header__menu-toggle[aria-expanded="true"] .header__menu-icon::after {
    transform: rotate(-45deg) translate(5px, -5px);
}

.header__nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

.header__nav.is-open {
    opacity: 1;
    visibility: visible;
}

.header__nav-list {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
}

.header__nav-link {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-text);
    transition: color var(--transition-fast);
}

.header__nav-link:hover {
    color: var(--color-accent);
}

/* ==========================================
   BUTTONS
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    border: none;
}

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

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

.btn--primary:hover {
    background-color: var(--color-accent-hover);
    color: #ffffff;
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 72px; /* Account for fixed header */
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-secondary) 100%);
    overflow: hidden;
    position: relative;
}

.hero__container {
    display: grid;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero__content {
    text-align: center;
}

.hero__wordmark {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.hero__title {
    margin-bottom: var(--spacing-md);
}

.hero__subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto var(--spacing-sm);
}

.hero__focus {
    font-size: 0.9375rem;
    color: var(--color-accent);
    font-weight: 500;
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
}

.hero__cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.hero__learn-more {
    font-weight: 500;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.hero__learn-more:hover {
    color: var(--color-accent);
}

.hero__visual {
    display: none;
    position: relative;
}

.hero__graphic {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 400px;
}

.hero__video {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 140%;
    height: auto;
    min-height: 100%;
    object-fit: cover;
    opacity: 0.85;
    mask-image: radial-gradient(ellipse 70% 70% at center, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 70% 70% at center, black 30%, transparent 70%);
}

/* ==========================================
   CARDS
   ========================================== */
.card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.card:hover {
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

.card__icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(59, 130, 246, 0.1);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
}

.card__icon svg {
    width: 24px;
    height: 24px;
}

.card__title {
    margin-bottom: var(--spacing-sm);
}

.card__body {
    color: var(--color-text-muted);
}

.card__body p {
    margin-bottom: var(--spacing-xs);
}

.card__example {
    font-size: 0.875rem;
    font-style: italic;
    color: var(--color-accent);
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border);
}

.card__badge {
    display: inline-block;
    font-size: 0.625rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.25rem 0.5rem;
    background-color: rgba(59, 130, 246, 0.15);
    color: var(--color-accent);
    border-radius: var(--radius-sm);
    vertical-align: middle;
    margin-left: 0.5rem;
}

/* ==========================================
   SOLUTIONS SECTION
   ========================================== */
.solutions__grid {
    display: grid;
    gap: var(--spacing-md);
}

/* ==========================================
   CLIENTS SECTION
   ========================================== */
.clients {
    background-color: var(--color-bg-secondary);
}

.clients__grid {
    display: grid;
    gap: var(--spacing-md);
}

.card--large {
    padding: var(--spacing-xl);
}

/* ==========================================
   VISION SECTION
   ========================================== */
.vision__content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.vision__content p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
}

/* ==========================================
   ABOUT SECTION
   ========================================== */
.about {
    background-color: var(--color-bg-secondary);
}

.about__content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about__status {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background-color: rgba(59, 130, 246, 0.1);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-accent);
    text-align: left;
    color: var(--color-text);
}

/* About Grid Layout */
.about__grid {
    display: grid;
    gap: var(--spacing-xl);
    max-width: 1000px;
    margin: 0 auto;
}

.about__company {
    text-align: center;
}

/* Founder Card */
.about__founder {
    display: flex;
    justify-content: center;
}

.founder-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    max-width: 500px;
    width: 100%;
    transition: border-color var(--transition-fast);
}

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

.founder-card__title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: var(--spacing-xs);
}

.founder-card__name {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-heading);
    margin-bottom: var(--spacing-sm);
}

.founder-card__summary {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.founder-card__experience,
.founder-card__credentials {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.founder-card__experience-title,
.founder-card__credentials-title {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.founder-card__experience-list,
.founder-card__credentials-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.founder-card__experience-list li,
.founder-card__credentials-list li {
    font-size: 0.875rem;
    color: var(--color-text);
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid rgba(55, 65, 81, 0.5);
}

.founder-card__experience-list li:last-child,
.founder-card__credentials-list li:last-child {
    border-bottom: none;
}

.founder-card__experience-list strong {
    color: var(--color-text-heading);
}

/* Full Founder Bio (Expandable) */
.about__founder-bio {
    margin-top: var(--spacing-xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.founder-bio {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.founder-bio__toggle {
    display: block;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-accent);
    cursor: pointer;
    list-style: none;
    transition: background-color var(--transition-fast);
}

.founder-bio__toggle::-webkit-details-marker {
    display: none;
}

.founder-bio__toggle::before {
    content: '+';
    display: inline-block;
    width: 1.25rem;
    margin-right: var(--spacing-xs);
    font-weight: 600;
    transition: transform var(--transition-fast);
}

.founder-bio[open] .founder-bio__toggle::before {
    content: '−';
}

.founder-bio__toggle:hover {
    background-color: rgba(59, 130, 246, 0.05);
}

.founder-bio__content {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    line-height: 1.7;
}

.founder-bio__content p {
    margin-bottom: var(--spacing-md);
}

.founder-bio__content p:last-child {
    margin-bottom: 0;
}

/* ==========================================
   CONTACT SECTION
   ========================================== */
.contact__content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact__intro {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
}

.contact__email {
    font-size: 1.125rem;
}

.contact__label {
    color: var(--color-text-muted);
    margin-right: var(--spacing-xs);
}

.contact__link {
    font-weight: 500;
}

/* Contact Form */
.contact-form {
    margin-top: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.contact-form__row {
    display: grid;
    gap: var(--spacing-md);
}

.contact-form__field {
    margin-bottom: var(--spacing-md);
}

.contact-form__label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.contact-form__required {
    color: var(--color-accent);
}

.contact-form__input {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: var(--font-family);
    font-size: 1rem;
    color: var(--color-text);
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.contact-form__input::placeholder {
    color: var(--color-text-muted);
    opacity: 0.7;
}

.contact-form__input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.contact-form__input:hover:not(:focus) {
    border-color: var(--color-text-muted);
}

.contact-form__textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form__submit {
    width: 100%;
    margin-top: var(--spacing-sm);
}

.contact-form__note {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    text-align: center;
    margin-top: var(--spacing-sm);
    opacity: 0.8;
}

/* Form states */
.contact-form__input:invalid:not(:placeholder-shown) {
    border-color: #ef4444;
}

.contact-form__input:valid:not(:placeholder-shown) {
    border-color: var(--color-accent);
}

/* ==========================================
   LEGAL PAGES (Privacy Policy, Terms)
   ========================================== */
.legal-page {
    padding-top: calc(72px + var(--spacing-2xl));
    padding-bottom: var(--spacing-2xl);
    min-height: 100vh;
}

.legal-page__header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.legal-page__title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--spacing-sm);
}

.legal-page__effective {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
}

.legal-page__content {
    max-width: 800px;
    margin: 0 auto;
}

.legal-section {
    margin-bottom: var(--spacing-xl);
}

.legal-section h2 {
    font-size: 1.375rem;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
}

.legal-section h3 {
    font-size: 1.125rem;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.legal-section p {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
}

.legal-section ul {
    list-style: disc;
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.legal-section li {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xs);
    line-height: 1.6;
}

.legal-section a {
    color: var(--color-accent);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.legal-section a:hover {
    color: var(--color-accent-hover);
}

.legal-section strong {
    color: var(--color-text);
    font-weight: 500;
}

/* Legal page tables */
.legal-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-md) 0;
    font-size: 0.875rem;
}

.legal-table th,
.legal-table td {
    padding: var(--spacing-sm);
    text-align: left;
    border: 1px solid var(--color-border);
}

.legal-table th {
    background-color: var(--color-bg-card);
    color: var(--color-text);
    font-weight: 500;
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.legal-table td {
    color: var(--color-text-muted);
    vertical-align: top;
}

.legal-table tr:hover td {
    background-color: rgba(59, 130, 246, 0.05);
}

/* Responsive table */
@media (max-width: 600px) {
    .legal-table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }
}

/* Header nav always visible on legal pages */
.header__nav--visible {
    position: static;
    background: none;
    opacity: 1;
    visibility: visible;
}

.header__nav--visible .header__nav-list {
    flex-direction: row;
}

.header__nav--visible .header__nav-link {
    font-size: 0.9375rem;
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--color-border);
    background-color: var(--color-bg);
}

.footer__container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    text-align: center;
}

.footer__copyright {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.footer__nav {
    display: flex;
    gap: var(--spacing-md);
}

.footer__link {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.footer__link:hover {
    color: var(--color-text);
}

.footer__disclaimer {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-align: center;
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border);
    opacity: 0.7;
}

/* ==========================================
   RESPONSIVE: TABLET (768px+)
   ========================================== */
@media (min-width: 768px) {
    .section {
        padding: var(--spacing-3xl) 0;
    }

    .hero__cta {
        flex-direction: row;
        justify-content: center;
    }

    .hero__visual {
        display: block;
        overflow: visible;
    }

    .solutions__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .solutions__grid .card:last-child {
        grid-column: span 2;
        max-width: 50%;
        justify-self: center;
    }

    .clients__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer__container {
        flex-direction: row;
        justify-content: space-between;
    }

    /* Contact form - side by side fields */
    .contact-form__row {
        grid-template-columns: 1fr 1fr;
    }

    .contact-form__submit {
        width: auto;
    }

    /* About section - two column on tablet+ */
    .about__grid {
        grid-template-columns: 1fr 1fr;
        align-items: start;
        gap: var(--spacing-2xl);
    }

    .about__company {
        text-align: left;
    }

    .about__founder {
        justify-content: flex-start;
    }

    .founder-card {
        max-width: none;
        position: sticky;
        top: calc(72px + var(--spacing-lg));
    }
}

/* ==========================================
   RESPONSIVE: DESKTOP (1200px+)
   ========================================== */
@media (min-width: 1200px) {
    .header__menu-toggle {
        display: none;
    }

    .header__nav {
        position: static;
        background: none;
        opacity: 1;
        visibility: visible;
    }

    .header__nav-list {
        flex-direction: row;
        gap: var(--spacing-lg);
    }

    .header__nav-link {
        font-size: 0.9375rem;
    }

    .hero__container {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-2xl);
        align-items: center;
    }

    .hero__content {
        text-align: left;
        position: relative;
        z-index: 2;
    }

    .hero__subtitle {
        margin-left: 0;
        margin-right: 0;
    }

    .hero__cta {
        justify-content: flex-start;
    }

    .hero__visual {
        position: relative;
        z-index: 1;
    }

    .hero__graphic {
        min-height: 500px;
    }

    .hero__video {
        width: 160%;
        opacity: 0.9;
    }

    .solutions__grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .solutions__grid .card:last-child {
        grid-column: auto;
        max-width: none;
        justify-self: auto;
    }
}

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

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

    /* Pause video for users who prefer reduced motion */
    .hero__video {
        animation: none;
    }
}

/* Skip link for keyboard users */
.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    background-color: var(--color-accent);
    color: #ffffff;
    padding: var(--spacing-sm) var(--spacing-md);
    z-index: 9999;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
}