/* ==========================================================================
   Ismael Marín - Design System (design.css)
   ========================================================================== */

/* --- Fonts & Core Configuration --- */
@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Mono:ital,wght@0,300;0,400;0,500;1,300;1,400;1,500&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:wght,FILL@100..700,0..1&display=swap');

:root {
    /* Colors */
    --color-background: #060b13; /* Layer 0 Canvas */
    --color-surface: #0e141c;
    --color-surface-dim: #0e141c;
    --color-surface-bright: #343943;
    --color-surface-container-lowest: #090e17;
    --color-surface-container-low: #161c24;
    --color-surface-container: #1a2029;
    --color-surface-container-high: #252a33;
    --color-surface-container-highest: #30353e;
    
    --color-on-surface: #dee2ef;
    --color-on-surface-variant: #bcc9cd;
    --color-inverse-surface: #dee2ef;
    --color-inverse-on-surface: #2b313a;
    
    --color-outline: #869397;
    --color-outline-variant: #3d494c;
    --color-surface-tint: #4cd7f6;
    
    /* Brand Accents */
    --color-primary: #4cd7f6;
    --color-on-primary: #003640;
    --color-primary-container: #06b6d4;
    --color-on-primary-container: #00424f;
    --color-inverse-primary: #00687a;
    
    --color-secondary: #d0bcff;
    --color-on-secondary: #3c0091;
    --color-secondary-container: #571bc1;
    --color-on-secondary-container: #c4abff;
    
    --color-tertiary: #ffb59d;
    --color-on-tertiary: #5d1900;
    --color-tertiary-container: #ff8358;
    --color-on-tertiary-container: #702000;
    
    --color-error: #ffb4ab;
    --color-on-error: #690005;
    --color-error-container: #93000a;
    --color-on-error-container: #ffdad6;
    
    /* Fixed Accent Variants */
    --color-primary-fixed: #acedff;
    --color-primary-fixed-dim: #4cd7f6;
    --color-on-primary-fixed: #001f26;
    --color-on-primary-fixed-variant: #004e5c;
    
    --color-secondary-fixed: #e9ddff;
    --color-secondary-fixed-dim: #d0bcff;
    --color-on-secondary-fixed: #23005c;
    --color-on-secondary-fixed-variant: #5516be;
    
    --color-tertiary-fixed: #ffdbd0;
    --color-tertiary-fixed-dim: #ffb59d;
    --color-on-tertiary-fixed: #390c00;
    --color-on-tertiary-fixed-variant: #832600;

    /* Semantics & Contextual */
    --color-bg-card: rgba(20, 28, 40, 0.4);
    --color-bg-terminal: #0f172a;
    --color-text-primary: #ffffff;
    --color-text-secondary: #cbd5e1;
    --color-text-muted: #94a3b8;
    --color-border-low: rgba(255, 255, 255, 0.08);
    
    /* Border Radii */
    --rounded-sm: 0.125rem;
    --rounded-default: 0.25rem;
    --rounded-md: 0.375rem;
    --rounded-lg: 0.5rem;
    --rounded-xl: 0.75rem;
    --rounded-full: 9999px;

    /* Spacing System */
    --container-max: 1100px;
    --section-gap: 6rem;
    --grid-gutter: 1.5rem;
    --p-card: 2rem;
    --unit-1: 0.25rem;
    --unit-4: 1rem;
    --unit-8: 2rem;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--color-background);
}

body {
    background-color: var(--color-background);
    color: var(--color-on-surface);
    font-family: 'DM Mono', monospace;
    font-size: 16px;
    font-weight: 500;
    line-height: 1.6;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    position: relative;
}

::selection {
    background-color: var(--color-primary);
    color: var(--color-on-primary);
}

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

/* --- Icon Size Utilities --- */
.icon-xs {
    font-size: 14px;
}

.icon-sm {
    font-size: 16px;
}

.icon-md {
    font-size: 24px;
}

/* --- Utility Classes --- */
.max-width-md {
    max-width: 500px;
}

.mb-2rem {
    margin-bottom: 2rem;
}

.project-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.media-title-sm {
    font-size: 1.16rem;
}

.media-title-md {
    font-size: 1.25rem;
}

.media-desc {
    font-size: 0.875rem;
}

.padding-top-hero {
    padding-top: 140px;
}

.position-relative {
    position: relative;
}

.margin-top-1rem {
    margin-top: 1rem;
}

.polyglot-text {
    font-size: 13px;
}

.project-meta-footer {
    margin-top: auto;
    font-size: 13px;
}

.font-weight-500 {
    font-weight: 500;
}

.gap-1rem {
    gap: 1rem;
}

.flex-center-gap {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* --- Noise Canvas Overlay --- */
.noise-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* --- Ambient Glows --- */
.ambient-glow {
    position: absolute;
    width: 80vw;
    height: 80vh;
    background: radial-gradient(circle, rgba(76, 215, 246, 0.05) 0%, rgba(14, 20, 28, 0) 70%);
    top: 30%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: -1;
    pointer-events: none;
    filter: blur(100px);
}

.ambient-glow-ruby {
    position: absolute;
    width: 60vw;
    height: 60vh;
    background: radial-gradient(circle, rgba(255, 181, 157, 0.03) 0%, rgba(14, 20, 28, 0) 70%);
    bottom: 10%;
    right: -10%;
    z-index: -1;
    pointer-events: none;
    filter: blur(80px);
}

/* --- Layout Grid & Containers --- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--unit-8);
    width: 100%;
}

.section {
    padding: var(--section-gap) 0 0 0;
    position: relative;
}

.divider-gradient {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border-low), transparent);
    margin-top: var(--section-gap);
}

/* --- Typography Classes --- */
.font-display-hero {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(2.5rem, 6vw, 5.5rem); /* Responsive scaling */
    line-height: 1.05;
    letter-spacing: -0.02em;
    font-weight: 400;
}

.font-headline-lg {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1.1;
    font-weight: 400;
}

.font-headline-md {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(1.5rem, 3vw, 2rem);
    line-height: 1.2;
    font-weight: 400;
}

.font-body-lg {
    font-family: 'DM Mono', monospace;
    font-size: 1.125rem; /* 18px */
    line-height: 1.8;
    font-weight: 400;
}

.font-body-md {
    font-family: 'DM Mono', monospace;
    font-size: 1rem; /* 16px */
    line-height: 1.6;
    font-weight: 400;
}

.font-label-caps {
    font-family: 'DM Mono', monospace;
    font-size: 0.75rem; /* 12px */
    letter-spacing: 0.15em;
    font-weight: 500;
    text-transform: uppercase;
}

.font-code-snippet {
    font-family: 'DM Mono', monospace;
    font-size: 0.875rem; /* 14px */
    line-height: 1.5;
    font-weight: 400;
}

/* Text Colors helper classes */
.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-tertiary { color: var(--color-tertiary); }
.text-main-white { color: var(--color-text-primary); }
.text-main-gray { color: var(--color-text-secondary); }
.text-muted { color: var(--color-text-muted); }

/* --- Top Navigation Bar --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background-color: rgba(6, 11, 19, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border-low);
    transition: all 0.3s ease;
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.brand {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    color: var(--color-primary);
    letter-spacing: -0.04em;
    transition: opacity 0.3s ease;
}

.brand:hover {
    opacity: 0.8;
}

.nav-links {
    display: none; /* Hidden on mobile */
    align-items: center;
    gap: 2rem;
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
}

.nav-link {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--color-text-primary);
}

/* --- Mobile Menu Trigger & Drawer --- */
.menu-btn {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    width: 24px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 110;
}

@media (min-width: 768px) {
    .menu-btn {
        display: none;
    }
}

.menu-btn span {
    width: 24px;
    height: 2px;
    background-color: var(--color-on-surface);
    transition: all 0.3s ease;
}

.menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.mobile-drawer {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background-color: var(--color-surface);
    border-left: 1px solid var(--color-border-low);
    z-index: 90;
    padding: 100px var(--unit-8) 20px var(--unit-8);
    display: flex;
    flex-direction: column;
    gap: 2rem;
    transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-drawer.open {
    right: 0;
}

.mobile-drawer .nav-link {
    font-size: 1.25rem;
}

/* --- Interactive Components & Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-family: 'DM Mono', monospace;
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-radius: var(--rounded-sm);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    background: transparent;
    border: 1px solid transparent;
}

.btn-primary {
    background: linear-gradient(90deg, var(--color-secondary-container), var(--color-primary-container));
    color: var(--color-text-primary);
}

.btn-primary:hover {
    box-shadow: 0 0 20px rgba(76, 215, 246, 0.3);
    transform: translateY(-1px);
}

.btn-ghost {
    border: 1px solid var(--color-border-low);
    color: var(--color-primary);
}

.btn-ghost:hover {
    background-color: rgba(76, 215, 246, 0.05);
    border-color: rgba(76, 215, 246, 0.3);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
}

/* --- Hero Layout --- */
.hero-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--grid-gutter);
    align-items: center;
    margin-bottom: var(--section-gap);
    padding-top: var(--unit-8);
}

@media (min-width: 1024px) {
    .hero-layout {
        grid-template-columns: repeat(12, minmax(0, 1fr));
    }
    
    .hero-pitch {
        grid-column: span 7;
    }
    
    .hero-terminal {
        grid-column: span 5;
    }
}

.pitch-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: var(--unit-4);
}

.pitch-line {
    width: 3rem;
    height: 1px;
    background-color: rgba(76, 215, 246, 0.5);
}

.hero-description {
    color: var(--color-text-muted);
    max-width: 42rem;
    margin-top: var(--unit-4);
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--unit-4);
    margin-top: 2rem;
}

/* --- Terminal Widget Component --- */
.terminal-wrapper {
    position: relative;
    margin-top: 3rem;
}

@media (min-width: 1024px) {
    .terminal-wrapper {
        margin-top: 0;
    }
}

.terminal-glow-bg {
    position: absolute;
    inset: -4px;
    background: linear-gradient(90deg, rgba(76, 215, 246, 0.2), rgba(255, 181, 157, 0.2));
    border-radius: var(--rounded-lg);
    filter: blur(12px);
    opacity: 0.5;
    transition: opacity 0.5s ease;
    z-index: 1;
}

.terminal-wrapper:hover .terminal-glow-bg {
    opacity: 0.75;
}

.terminal-window {
    position: relative;
    z-index: 2;
    background-color: var(--color-surface-container-lowest);
    border: 1px solid var(--color-border-low);
    border-radius: var(--rounded-lg);
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.terminal-header {
    background-color: #090e16;
    border-bottom: 1px solid var(--color-border-low);
    padding: 0.75rem var(--unit-4);
    display: flex;
    align-items: center;
}

.terminal-dots {
    display: flex;
    gap: 0.5rem;
}

.terminal-dot {
    width: 12px;
    height: 12px;
    border-radius: var(--rounded-full);
}

.terminal-dot.red { background-color: rgba(255, 180, 171, 0.7); }
.terminal-dot.yellow { background-color: rgba(250, 204, 21, 0.7); }
.terminal-dot.green { background-color: rgba(74, 222, 128, 0.7); }

.terminal-title {
    flex-grow: 1;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.75rem;
    margin-right: 36px; /* Offset the dots to center properly */
}

.terminal-body {
    padding: 1.5rem;
    height: 320px;
    overflow-y: auto;
    overflow-x: hidden;
    font-family: 'DM Mono', monospace;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    overscroll-behavior: contain;
}

.terminal-line {
    margin-bottom: 1rem;
}

.blinking-cursor {
    display: inline-block;
    width: 8px;
    height: 15px;
    background-color: var(--color-primary);
    animation: blink 1s step-end infinite;
    vertical-align: middle;
    margin-left: 2px;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* --- Bento Grid / Architectural Facets --- */
.bento-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--grid-gutter);
}

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

.glass-card {
    position: relative;
    background-color: var(--color-bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--color-border-low);
    border-radius: var(--rounded-xl);
    padding: 2rem;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(600px circle at var(--mouse-x, 0) var(--mouse-y, 0), rgba(76, 215, 246, 0.08), transparent 40%);
    z-index: 1;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.glass-card.ruby-hover::before {
    background: radial-gradient(600px circle at var(--mouse-x, 0) var(--mouse-y, 0), rgba(255, 181, 157, 0.08), transparent 40%);
}

.glass-card:hover::before {
    opacity: 1;
}

.glass-card > * {
    position: relative;
    z-index: 2; /* Put content above the glow element */
}

.glass-card:hover {
    transform: translateY(-4px);
    border-color: rgba(76, 215, 246, 0.3);
    box-shadow: 0 10px 30px -10px rgba(76, 215, 246, 0.15);
}

.glass-card.ruby-hover:hover {
    border-color: rgba(255, 181, 157, 0.3);
    box-shadow: 0 10px 30px -10px rgba(255, 181, 157, 0.15);
}

.top-line-gradient {
    position: absolute;
    top: 0;
    left: 0;
    height: 2px;
    width: 0;
    background: linear-gradient(90deg, var(--color-primary), var(--color-tertiary));
    transition: width 0.4s ease-out;
}

.glass-card:hover .top-line-gradient {
    width: 100%;
}

.card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 2rem;
}

.card-icon {
    width: 3rem;
    height: 3rem;
    border-radius: var(--rounded-lg);
    border: 1px solid var(--color-border-low);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-surface-container-low);
    transition: border-color 0.3s ease;
}

.glass-card:hover .card-icon {
    border-color: rgba(76, 215, 246, 0.5);
}

.glass-card.ruby-hover:hover .card-icon {
    border-color: rgba(255, 181, 157, 0.5);
}

.card-tag {
    border: 1px solid var(--color-border-low);
    padding: 0.25rem 0.5rem;
    border-radius: var(--rounded-sm);
    color: var(--color-text-muted);
}

.card-title {
    margin-bottom: 0.75rem;
    color: var(--color-text-primary);
}

.card-description {
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
}

.badge-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.badge {
    background-color: rgba(76, 215, 246, 0.1);
    color: var(--color-primary);
    padding: 0.25rem 0.5rem;
    border-radius: var(--rounded-sm);
    font-size: 0.75rem;
}

.polyglot-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.polyglot-pill {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid var(--color-border-low);
    padding: 0.375rem 0.75rem;
    border-radius: var(--rounded-full);
    background-color: var(--color-surface-container-lowest);
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: var(--rounded-full);
}
.dot.ruby { background-color: #cc0000; }
.dot.python { background-color: #3572A5; }
.dot.rust { background-color: #dea584; }

.command-block-accent {
    border-left: 4px solid var(--color-primary);
    background-color: var(--color-bg-terminal);
    padding: 1rem;
    border-radius: 0 var(--rounded-sm) var(--rounded-sm) 0;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

/* --- Projects Gallery Grid --- */
.projects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--grid-gutter);
}

@media (min-width: 768px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (min-width: 1024px) {
    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.project-card {
    background-color: var(--color-bg-terminal);
    border: 1px solid var(--color-border-low);
    border-radius: var(--rounded-xl);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.project-card-header {
    background-color: #090e16;
    border-bottom: 1px solid var(--color-border-low);
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-muted);
    font-size: 0.8125rem;
}

.project-card-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.project-desc {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
    min-height: 80px; /* Aligns buttons across cards */
}

.project-meta {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.project-meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-muted);
    font-size: 0.75rem;
}

.project-link {
    font-size: 0.8125rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: auto;
}

/* --- Tech Ecosystem blueprint --- */
.tech-blueprint {
    background: radial-gradient(circle at center, rgba(76, 215, 246, 0.05) 0%, transparent 70%),
                linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 100% 100%, 20px 20px, 20px 20px;
    border: 1px solid var(--color-border-low);
    border-radius: var(--rounded-xl);
    padding: 2rem;
}

.blueprint-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 640px) {
    .blueprint-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (min-width: 1024px) {
    .blueprint-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.blueprint-category-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid var(--color-border-low);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}

.blueprint-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.blueprint-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.blueprint-item-name {
    color: var(--color-text-secondary);
}

.blueprint-tag {
    font-size: 0.625rem;
    background-color: rgba(76, 215, 246, 0.1);
    color: var(--color-primary);
    padding: 0.125rem 0.375rem;
    border-radius: var(--rounded-sm);
    font-weight: 500;
}

.blueprint-tag.alt {
    background-color: rgba(255, 181, 157, 0.1);
    color: var(--color-tertiary);
}

/* --- Media Waveform Grid --- */
.media-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--grid-gutter);
}

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

.media-waveform {
    background: linear-gradient(0deg, rgba(208, 188, 255, 0.03) 0%, rgba(20, 28, 40, 0.4) 100%);
    border-top: 1px solid rgba(208, 188, 255, 0.2);
}

/* --- Footer --- */
.footer {
    width: 100%;
    margin-top: var(--section-gap);
    border-top: 1px solid var(--color-border-low);
    background-color: var(--color-surface-container-lowest);
    padding: var(--unit-8) 0;
}

.footer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: var(--unit-4);
}

@media (min-width: 768px) {
    .footer-container {
        flex-direction: row;
    }
}

.footer-brand {
    font-family: 'DM Serif Display', serif;
    font-size: 1.5rem;
    color: var(--color-on-surface);
}

.footer-copy {
    font-size: 0.75rem;
    color: var(--color-primary);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    justify-content: center;
}

.footer-link {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    transition: color 0.3s ease, opacity 0.3s ease;
    opacity: 0.8;
}

.footer-link:hover {
    color: var(--color-tertiary);
    opacity: 1;
}

/* Utility layout aids */
.flex-col { display: flex; flex-direction: column; }
.gap-6 { gap: 1.5rem; }
.gap-3 { gap: 0.75rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-12 { margin-bottom: 3rem; }
.mt-4 { margin-top: 1rem; }
.mt-8 { margin-top: 2rem; }
.w-full { width: 100%; }
.relative { position: relative; }
.group { position: relative; }