/* ==========================================================================
   Lovemore Chanengeta Personal Website
   Main Stylesheet
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
    /* Colors - The Architect palette */
    --color-primary: #0D0D0D;
    --color-primary-light: #1A1A1A;
    --color-secondary: #2D2D2D;
    --color-accent: #D4A017;
    --color-accent-light: #E8B93D;
    --color-accent-dark: #B8890F;
    
    --color-background: #FAFAFA;
    --color-background-alt: #F5F5F0;
    --color-surface: #FFFFFF;
    --color-surface-dark: #1A1A1A;
    
    --color-text: #0D0D0D;
    --color-text-secondary: #555555;
    --color-text-tertiary: #888888;
    --color-text-muted: #888888;
    --color-text-inverse: #FFFFFF;
    
    --color-border: #E5E5E5;
    --color-border-light: #F0F0F0;
    
    /* Typography */
    --font-primary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    
    --font-size-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --font-size-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
    --font-size-base: clamp(1rem, 0.925rem + 0.375vw, 1.125rem);
    --font-size-lg: clamp(1.125rem, 1rem + 0.625vw, 1.375rem);
    --font-size-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.625rem);
    --font-size-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2.25rem);
    --font-size-3xl: clamp(2rem, 1.5rem + 2.5vw, 3.5rem);
    --font-size-4xl: clamp(2.5rem, 1.75rem + 3.75vw, 5rem);
    
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    --line-height-tight: 1.1;
    --line-height-snug: 1.3;
    --line-height-normal: 1.6;
    --line-height-relaxed: 1.8;
    
    --letter-spacing-tight: -0.025em;
    --letter-spacing-normal: 0;
    --letter-spacing-wide: 0.05em;
    --letter-spacing-wider: 0.1em;
    
    /* Spacing */
    --space-xs: clamp(0.5rem, 0.4rem + 0.5vw, 0.75rem);
    --space-sm: clamp(0.75rem, 0.6rem + 0.75vw, 1rem);
    --space-md: clamp(1rem, 0.8rem + 1vw, 1.5rem);
    --space-lg: clamp(1.5rem, 1.2rem + 1.5vw, 2.5rem);
    --space-xl: clamp(2rem, 1.5rem + 2.5vw, 4rem);
    --space-2xl: clamp(3rem, 2rem + 5vw, 6rem);
    --space-3xl: clamp(4rem, 2.5rem + 7.5vw, 8rem);
    
    /* Layout */
    --container-max: 1280px;
    --container-narrow: 800px;
    --container-wide: 1440px;
    --container-padding: clamp(1rem, 0.5rem + 2.5vw, 2rem);
    
    /* Borders */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    
    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal: 400;
    --z-tooltip: 500;
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
    :root {
        --color-background: #0D0D0D;
        --color-background-alt: #141414;
        --color-surface: #1A1A1A;
        --color-surface-dark: #0A0A0A;
        
        --color-text: #F5F5F5;
        --color-text-secondary: #B0B0B0;
        --color-text-tertiary: #707070;
        --color-text-muted: #707070;
        --color-text-inverse: #0D0D0D;
        
        --color-border: #2D2D2D;
        --color-border-light: #252525;
        
        --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
        --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);
    }
}

/* Manual dark mode class */
[data-theme="dark"] {
    --color-background: #0D0D0D;
    --color-background-alt: #141414;
    --color-surface: #1A1A1A;
    --color-surface-dark: #0A0A0A;
    
    --color-text: #F5F5F5;
    --color-text-secondary: #B0B0B0;
    --color-text-tertiary: #707070;
    --color-text-muted: #707070;
    --color-text-inverse: #0D0D0D;
    
    --color-border: #2D2D2D;
    --color-border-light: #252525;
}

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

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

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

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

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

button {
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    padding: var(--space-sm) var(--space-md);
    background: var(--color-accent);
    color: var(--color-text-inverse);
    z-index: var(--z-tooltip);
    transition: top var(--transition-fast);
}

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

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

.container--narrow {
    max-width: var(--container-narrow);
}

.container--wide {
    max-width: var(--container-wide);
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background-color: rgba(250, 250, 250, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border-light);
    transition: background-color var(--transition-base), box-shadow var(--transition-base);
}

[data-theme="dark"] .header {
    background-color: rgba(13, 13, 13, 0.9);
}

.header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    max-width: var(--container-wide);
    margin-inline: auto;
    padding: var(--space-sm) var(--container-padding);
}

.header__logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.header__logo-img {
    height: 48px;
    width: auto;
    border-radius: 50%;
    object-fit: cover;
}

.header__logo-text {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--letter-spacing-tight);
}

.header__nav {
    display: none;
}

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

.header__nav-link {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.header__nav-link:hover,
.header__nav-link:focus {
    color: var(--color-text);
}

.header__nav-link--cta {
    padding: var(--space-xs) var(--space-md);
    background-color: var(--color-accent);
    color: var(--color-text-inverse);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}

.header__nav-link--cta:hover,
.header__nav-link--cta:focus {
    background-color: var(--color-accent-dark);
    color: var(--color-text-inverse);
}

.header__toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    padding: 4px;
}

.header__toggle-bar {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-text);
    border-radius: 1px;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.header__toggle[aria-expanded="true"] .header__toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.header__toggle[aria-expanded="true"] .header__toggle-bar:nth-child(2) {
    opacity: 0;
}

.header__toggle[aria-expanded="true"] .header__toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.header__theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.header__theme-toggle:hover {
    color: var(--color-text);
    background-color: var(--color-border-light);
}

.header__theme-icon--moon {
    display: none;
}

[data-theme="dark"] .header__theme-icon--sun {
    display: none;
}

[data-theme="dark"] .header__theme-icon--moon {
    display: block;
}

@media (min-width: 1024px) {
    .header__nav {
        display: block;
    }
    
    .header__toggle {
        display: none;
    }
}

/* Mobile navigation */
.header__nav.is-open {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-md);
}

.header__nav.is-open .header__nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-xs);
}

.header__nav.is-open .header__nav-link {
    display: block;
    padding: var(--space-sm);
    border-radius: var(--radius-md);
}

.header__nav.is-open .header__nav-link:hover {
    background-color: var(--color-background-alt);
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: calc(60px + var(--space-xl));
    padding-bottom: var(--space-xl);
    background-color: var(--color-background);
    overflow: hidden;
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    max-width: var(--container-wide);
    margin-inline: auto;
    padding-inline: var(--container-padding);
}

.hero__content {
    max-width: 720px;
}

.hero__title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    letter-spacing: var(--letter-spacing-tight);
    margin-bottom: var(--space-lg);
}

.hero__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-xl);
    max-width: 600px;
}

.hero__cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.hero__visual {
    display: none;
    position: relative;
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1;
}

.hero__nodes {
    position: absolute;
    inset: 0;
}

.hero__node {
    position: absolute;
    width: 12px;
    height: 12px;
    background-color: var(--color-accent);
    border-radius: 50%;
    animation: pulse 3s ease-in-out infinite;
}

.hero__node--1 { top: 20%; left: 10%; animation-delay: 0s; }
.hero__node--2 { top: 8%; left: 48%; animation-delay: 0.5s; }
.hero__node--3 { top: 25%; right: 10%; animation-delay: 1s; }
.hero__node--4 { bottom: 20%; right: 20%; animation-delay: 1.5s; }
.hero__node--5 { bottom: 15%; left: 20%; animation-delay: 2s; }

.hero__connections {
    width: 100%;
    height: 100%;
}

.hero__line {
    stroke: var(--color-border);
    stroke-width: 1;
    opacity: 0.5;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.5); opacity: 0.7; }
}

@media (min-width: 1024px) {
    .hero__container {
        grid-template-columns: 1fr 400px;
        align-items: center;
    }
    
    .hero__visual {
        display: block;
    }
    
    .hero__title {
        font-size: var(--font-size-4xl);
    }
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    line-height: 1;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn--primary {
    background-color: var(--color-accent);
    color: var(--color-text-inverse);
}

.btn--primary:hover,
.btn--primary:focus {
    background-color: var(--color-accent-dark);
    transform: translateY(-1px);
}

.btn--secondary {
    background-color: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn--secondary:hover,
.btn--secondary:focus {
    border-color: var(--color-text);
    background-color: var(--color-background-alt);
}

.btn--large {
    padding: var(--space-md) var(--space-xl);
    font-size: var(--font-size-base);
}

/* Link Arrow */
.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    transition: gap var(--transition-fast);
}

.link-arrow:hover {
    gap: var(--space-sm);
    color: var(--color-accent);
}

.link-arrow svg {
    transition: transform var(--transition-fast);
}

.link-arrow:hover svg {
    transform: translateX(4px);
}

/* --------------------------------------------------------------------------
   Section Styles
   -------------------------------------------------------------------------- */
.section {
    padding-block: var(--space-3xl);
}

.section__header {
    margin-bottom: var(--space-xl);
}

.section__label {
    display: block;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--letter-spacing-wider);
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.section__title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    letter-spacing: var(--letter-spacing-tight);
}

.section__footer {
    margin-top: var(--space-xl);
}

/* --------------------------------------------------------------------------
   Ventures Section
   -------------------------------------------------------------------------- */
.ventures {
    background-color: var(--color-background-alt);
}

.ventures__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
}

.venture-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    padding: var(--space-lg);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.venture-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.venture-card--featured {
    border-color: var(--color-accent);
    border-width: 2px;
}

.venture-card--coming {
    opacity: 0.8;
    border-style: dashed;
}

.venture-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background-color: var(--color-background-alt);
    border-radius: var(--radius-md);
    color: var(--color-accent);
}

.venture-card__title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-xs);
}

.venture-card__role {
    font-size: var(--font-size-sm);
    color: var(--color-accent);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--space-sm);
}

.venture-card__description {
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    flex-grow: 1;
}

.venture-card__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    margin-top: var(--space-sm);
    transition: gap var(--transition-fast), color var(--transition-fast);
}

.venture-card__link:hover {
    gap: var(--space-sm);
    color: var(--color-accent);
}

.venture-card__badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-sm);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    background-color: var(--color-background-alt);
    border-radius: var(--radius-full);
    color: var(--color-text-muted);
}

@media (min-width: 768px) {
    .ventures__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .venture-card--featured {
        grid-column: span 2;
        flex-direction: row;
        align-items: flex-start;
    }
    
    .venture-card--featured .venture-card__content {
        flex: 1;
    }
}

@media (min-width: 1024px) {
    .ventures__grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .venture-card--featured {
        grid-column: span 1;
        flex-direction: column;
    }
}

/* --------------------------------------------------------------------------
   Impact Section
   -------------------------------------------------------------------------- */
.impact__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.impact-card {
    padding: var(--space-lg);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    text-align: center;
}

.impact-card__number {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-extrabold);
    color: var(--color-accent);
    letter-spacing: var(--letter-spacing-tight);
}

.impact-card__label {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-top: var(--space-xs);
    margin-bottom: var(--space-sm);
}

.impact-card__description {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.impact__recognition {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    justify-content: center;
}

.recognition-badge {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
}

.recognition-badge__icon {
    font-size: var(--font-size-2xl);
}

.recognition-badge__title {
    display: block;
    font-weight: var(--font-weight-semibold);
}

.recognition-badge__subtitle {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

@media (min-width: 768px) {
    .impact__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* --------------------------------------------------------------------------
   Approach Section
   -------------------------------------------------------------------------- */
.approach {
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
}

.approach .section__label {
    color: var(--color-accent);
}

.approach .section__title {
    color: var(--color-text-inverse);
}

.approach__content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
}

.approach__description {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--space-md);
}

.approach__description:last-of-type {
    margin-bottom: var(--space-lg);
}

.approach .link-arrow {
    color: var(--color-text-inverse);
}

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

.approach__domains {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.domain-tag {
    padding: var(--space-xs) var(--space-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    color: var(--color-text-inverse);
}

@media (min-width: 1024px) {
    .approach__content {
        grid-template-columns: 1fr 1fr;
        align-items: center;
    }
}

/* --------------------------------------------------------------------------
   Journal Section
   -------------------------------------------------------------------------- */
.journal__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
}

.journal-card {
    padding: var(--space-lg);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.journal-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.journal-card__meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.journal-card__date {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.journal-card__category {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-accent);
    padding: 2px var(--space-xs);
    background-color: rgba(212, 160, 23, 0.1);
    border-radius: var(--radius-sm);
}

.journal-card__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-snug);
    margin-bottom: var(--space-sm);
}

.journal-card__title a {
    transition: color var(--transition-fast);
}

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

.journal-card__excerpt {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

@media (min-width: 768px) {
    .journal__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .journal-card--featured {
        grid-column: span 2;
    }
}

@media (min-width: 1024px) {
    .journal__grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .journal-card--featured {
        grid-column: span 1;
    }
}

/* --------------------------------------------------------------------------
   Collaborate Section
   -------------------------------------------------------------------------- */
.collaborate {
    background-color: var(--color-background-alt);
    text-align: center;
}

.collaborate__content {
    max-width: 640px;
    margin-inline: auto;
}

.collaborate__title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-md);
}

.collaborate__description {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
}

.collaborate__cta {
    margin-bottom: var(--space-xl);
}

.collaborate__channels {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md);
}

.collaborate__channel {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
    padding-block: var(--space-2xl);
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer__name {
    display: block;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-xs);
}

.footer__tagline {
    color: rgba(255, 255, 255, 0.7);
}

.footer__nav {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.footer__nav-title {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-sm);
    color: var(--color-accent);
}

.footer__nav-list li {
    margin-bottom: var(--space-xs);
}

.footer__nav-list a {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

.footer__nav-list a:hover {
    color: var(--color-text-inverse);
}

.footer__bottom {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__copyright {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.5);
}

.footer__social {
    display: flex;
    gap: var(--space-md);
}

.footer__social a {
    color: rgba(255, 255, 255, 0.5);
    transition: color var(--transition-fast);
}

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

@media (min-width: 768px) {
    .footer__grid {
        grid-template-columns: 1fr 2fr;
    }
    
    .footer__nav {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer__bottom {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

/* --------------------------------------------------------------------------
   Utilities
   -------------------------------------------------------------------------- */
.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;
}

/* Animation utilities */
@media (prefers-reduced-motion: no-preference) {
    .animate-fade-up {
        animation: fadeUp 0.6s ease-out forwards;
        opacity: 0;
    }
    
    @keyframes fadeUp {
        from {
            opacity: 0;
            transform: translateY(20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
}