/* =========================================
   1. Design Tokens & Themes (WinLocksmith Style)
   ========================================= */
:root {
    /* Fonts */
    --font-heading: 'Inter', 'Geist', system-ui, sans-serif;
    --font-body: 'Inter', 'Geist', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', 'Geist Mono', monospace;

    /* Transitions */
    --transition-base: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    /* Dark Theme (Default) — Zinc Palette */
    --bg-primary: #09090b;
    --bg-secondary: #18181b;
    --bg-tertiary: #27272a;
    --text-primary: #fafafa;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --accent: #38bdf8;
    --accent-hover: #0ea5e9;
    --accent-glow: rgba(56, 189, 248, 0.12);
    --card-bg: rgba(24, 24, 27, 0.5);
    --card-bg-hover: rgba(39, 39, 42, 0.5);
    --border: rgba(63, 63, 70, 0.4);
    --border-hover: rgba(63, 63, 70, 0.8);

    /* Dot Grid (Dark) */
    --dot-color: rgba(255, 255, 255, 0.03);

    /* Badge Colors */
    --badge-sky-bg: rgba(56, 189, 248, 0.1);
    --badge-sky-text: #38bdf8;
    --badge-sky-border: rgba(56, 189, 248, 0.2);
    --badge-rose-bg: rgba(244, 63, 94, 0.1);
    --badge-rose-text: #fb7185;
    --badge-rose-border: rgba(244, 63, 94, 0.2);
    --badge-emerald-bg: rgba(52, 211, 153, 0.1);
    --badge-emerald-text: #34d399;
    --badge-emerald-border: rgba(52, 211, 153, 0.2);
    --badge-amber-bg: rgba(251, 191, 36, 0.1);
    --badge-amber-text: #fbbf24;
    --badge-amber-border: rgba(251, 191, 36, 0.2);
    --badge-violet-bg: rgba(167, 139, 250, 0.1);
    --badge-violet-text: #a78bfa;
    --badge-violet-border: rgba(167, 139, 250, 0.2);
}

[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #fafafa;
    --bg-tertiary: #f4f4f5;
    --text-primary: #18181b;
    --text-secondary: #52525b;
    --text-muted: #71717a;
    --accent: #0ea5e9;
    --accent-hover: #0284c7;
    --accent-glow: rgba(14, 165, 233, 0.1);
    --card-bg: rgba(255, 255, 255, 0.8);
    --card-bg-hover: rgba(244, 244, 245, 0.9);
    --border: rgba(212, 212, 216, 0.8);
    --border-hover: rgba(161, 161, 170, 0.5);

    /* Dot Grid (Light) */
    --dot-color: rgba(0, 0, 0, 0.06);

    /* Badge Colors (Light) */
    --badge-sky-bg: #e0f2fe;
    --badge-sky-text: #0369a1;
    --badge-sky-border: #bae6fd;
    --badge-rose-bg: #ffe4e6;
    --badge-rose-text: #be123c;
    --badge-rose-border: #fecdd3;
    --badge-emerald-bg: #d1fae5;
    --badge-emerald-text: #047857;
    --badge-emerald-border: #a7f3d0;
    --badge-amber-bg: #fef3c7;
    --badge-amber-text: #92400e;
    --badge-amber-border: #fde68a;
    --badge-violet-bg: #ede9fe;
    --badge-violet-text: #6d28d9;
    --badge-violet-border: #ddd6fe;
}

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

* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html {
    scroll-behavior: smooth;
    font-size: 100%;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.625;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
    min-height: 100vh;
}

/* Dot Grid Background */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: radial-gradient(circle, var(--dot-color) 1px, transparent 1px);
    background-size: 24px 24px;
    pointer-events: none;
    z-index: 0;
}

body > * {
    position: relative;
    z-index: 1;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

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

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

/* =========================================
   3. Text Selection
   ========================================= */
::selection {
    background: #0ea5e9;
    color: #fff;
}

::-moz-selection {
    background: #0ea5e9;
    color: #fff;
}

/* =========================================
   4. Custom Scrollbar
   ========================================= */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* =========================================
   5. Focus (WCAG 2.4.7)
   ========================================= */
:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: 4px;
}

/* =========================================
   6. Utilities
   ========================================= */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 5rem 0;
}

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

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

.text-sm {
    font-size: 0.875rem;
    line-height: 1.375rem;
}

.text-xs {
    font-size: 0.75rem;
    line-height: 1rem;
}

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

.section-title {
    font-size: 1.875rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 0.75rem;
}

/* =========================================
   7. Header — Frosted Glass
   ========================================= */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    background: rgba(9, 9, 11, 0.8);
    backdrop-filter: blur(16px) saturate(1.8);
    -webkit-backdrop-filter: blur(16px) saturate(1.8);
    border-bottom: 1px solid rgba(63, 63, 70, 0.3);
    padding: 0;
    transition: var(--transition-slow);
}

[data-theme="light"] header {
    background: rgba(255, 255, 255, 0.85);
    border-bottom: 1px solid rgba(212, 212, 216, 0.8);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 3.5rem;
}

.logo {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

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

.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 1.125rem;
    padding: 0.5rem;
    border-radius: 0.5rem;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    background: var(--card-bg);
    color: var(--text-primary);
}

/* =========================================
   8. Hero
   ========================================= */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 5rem;
}

/* Radial Glow */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 60% 50% at 50% -10%, rgba(56, 189, 248, 0.10) 0%, transparent 60%);
    pointer-events: none;
}

[data-theme="light"] .hero::before {
    background: radial-gradient(ellipse 60% 50% at 50% -10%, rgba(14, 165, 233, 0.08) 0%, transparent 60%);
}

.hero-content {
    max-width: 800px;
    position: relative;
}

/* Status Badge */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.875rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    background: var(--card-bg);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    margin-bottom: 1.5rem;
    backdrop-filter: blur(8px);
}

.status-badge .pulse-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #22c55e;
    animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* Tagline */
.tagline {
    color: var(--accent);
    font-weight: 500;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.75rem;
}

/* Hero Name — Gradient */
.hero h1 {
    font-size: clamp(2.75rem, 7vw, 4.5rem);
    margin-bottom: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 1.05;
}

.hero h1 .name-gradient {
    background: linear-gradient(135deg, #38bdf8, #22d3ee, #3b82f6);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.bio {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 600px;
    line-height: 1.75;
}

/* Avatar */
.hero-avatar-container {
    position: relative;
    margin-bottom: 2rem;
    display: inline-block;
}

.hero-avatar-container::before {
    content: '';
    position: absolute;
    inset: -4px;
    background: linear-gradient(135deg, #38bdf8, #6366f1, #22c55e);
    border-radius: 50%;
    animation: avatar-glow 3s ease-in-out infinite alternate;
    opacity: 0.4;
    filter: blur(12px);
}

@keyframes avatar-glow {
    0% { opacity: 0.3; }
    100% { opacity: 0.6; }
}

.hero-avatar {
    position: relative;
    width: 128px;
    height: 128px;
    border-radius: 50%;
    border: 4px solid var(--bg-tertiary);
    display: none;
    object-fit: cover;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.1);
}

[data-theme="light"] .hero-avatar {
    border-color: #fff;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.1);
}

/* CTA Group */
.cta-group {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 0.75rem;
    font-weight: 600;
    font-size: 0.875rem;
    border: 1px solid var(--border);
    background: var(--card-bg);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-slow);
    backdrop-filter: blur(8px);
    text-decoration: none;
}

.btn:hover {
    background: var(--card-bg-hover);
    color: var(--text-primary);
    border-color: var(--border-hover);
    transform: translateY(-1px);
}

.btn.primary {
    background: var(--text-primary);
    color: var(--bg-primary);
    border-color: transparent;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

[data-theme="light"] .btn.primary {
    background: #18181b;
    color: #fafafa;
}

.btn.primary:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    transform: translateY(-2px) scale(1.02);
}

/* Let's Connect — Rainbow border */
#letsTalkBtn_Looping {
    position: relative;
    background: transparent;
    color: #000000;
    padding: 0.75rem 1.5rem;
    border-radius: 0.75rem;
    font-weight: 700;
    border: none;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.7rem;
    transition: transform 0.3s ease;
    z-index: 1;
    isolation: isolate;
    overflow: hidden;
}

#letsTalkBtn_Looping:hover {
    transform: scale(1.05);
}

#letsTalkBtn_Looping::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg,
            #38bdf8 0%,
            #6366f1 25%,
            #ec4899 50%,
            #f59e0b 75%,
            #38bdf8 100%);
    z-index: -2;
    animation: rainbow-rolling 4s linear infinite;
}

#letsTalkBtn_Looping::after {
    content: '';
    position: absolute;
    inset: 2px;
    background: var(--bg-primary);
    border-radius: calc(0.75rem - 2px);
    z-index: -1;
}

[data-theme="light"] #letsTalkBtn_Looping::after {
    background: #ffffff;
}

#letsTalkBtn_Looping {
    color: var(--text-primary);
}

@keyframes rainbow-rolling {
    100% { transform: rotate(360deg); }
}

/* =========================================
   9. Section — My Story
   ========================================= */
.read-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
    padding: 0.5rem 1rem;
    background: var(--card-bg);
    backdrop-filter: blur(8px);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.read-more-btn:hover {
    background: var(--card-bg-hover);
    border-color: var(--border-hover);
    transform: translateY(-1px);
}

/* =========================================
   10. Timeline / Experience
   ========================================= */
.timeline {
    position: relative;
    margin-top: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 1px;
    background: linear-gradient(to bottom, var(--accent), var(--border), transparent);
}

.timeline-item {
    padding-left: 2rem;
    margin-bottom: 2.5rem;
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -4px;
    top: 6px;
    width: 9px;
    height: 9px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 0 4px var(--bg-primary), 0 0 12px var(--accent-glow);
}

.role {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
    font-weight: 600;
}

.company {
    color: var(--accent);
    font-weight: 500;
    font-size: 0.9rem;
}

/* =========================================
   11. Project Cards — Glass Style
   ========================================= */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.25rem;
    margin-top: 2rem;
}

.project-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    padding: 1.75rem;
    border-radius: 1rem;
    transition: var(--transition-slow);
    position: relative;
    overflow: hidden;
}

/* Gradient overlay on hover */
.project-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(56, 189, 248, 0.05), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
    border-radius: inherit;
}

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

.project-card:hover {
    transform: translateY(-3px);
    border-color: var(--border-hover);
    box-shadow: 0 8px 32px -8px var(--accent-glow);
}

.project-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
}

.project-card .proprietary-note {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    margin-top: 0.75rem;
    font-size: 0.7rem;
    color: var(--text-muted);
    font-style: italic;
}

.tags {
    display: flex;
    gap: 0.375rem;
    margin-top: 0.75rem;
    flex-wrap: wrap;
}

.tag {
    font-size: 0.7rem;
    padding: 0.2rem 0.6rem;
    background: var(--bg-tertiary);
    border-radius: 0.375rem;
    color: var(--text-secondary);
    font-weight: 500;
    border: 1px solid var(--border);
}

/* =========================================
   12. Skills — Color-Coded Badges
   ========================================= */
.skills-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    margin-top: 2rem;
}

.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-pill {
    padding: 0.375rem 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.8rem;
    font-weight: 500;
    transition: var(--transition);
    border: 1px solid;
}

/* Default (sky) */
.skill-pill {
    background: var(--badge-sky-bg);
    color: var(--badge-sky-text);
    border-color: var(--badge-sky-border);
}

.skill-pill.badge-rose {
    background: var(--badge-rose-bg);
    color: var(--badge-rose-text);
    border-color: var(--badge-rose-border);
}

.skill-pill.badge-emerald {
    background: var(--badge-emerald-bg);
    color: var(--badge-emerald-text);
    border-color: var(--badge-emerald-border);
}

.skill-pill.badge-amber {
    background: var(--badge-amber-bg);
    color: var(--badge-amber-text);
    border-color: var(--badge-amber-border);
}

.skill-pill.badge-violet {
    background: var(--badge-violet-bg);
    color: var(--badge-violet-text);
    border-color: var(--badge-violet-border);
}

.skill-pill:hover {
    transform: translateY(-1px);
    filter: brightness(1.1);
}

/* Certification Cards */
.cert-card {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 0.875rem;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
}

.cert-card:hover {
    border-color: var(--border-hover);
    background: var(--card-bg-hover);
}

.cert-card .cert-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 0.5rem;
    background: var(--bg-tertiary);
    color: var(--accent);
    flex-shrink: 0;
    font-size: 0.8rem;
}

/* =========================================
   13. Interests
   ========================================= */
/* Uses skill-pill styles — no extra needed */

/* =========================================
   14. Footer & Contact
   ========================================= */
footer {
    padding: 4rem 0;
    text-align: center;
    border-top: 1px solid var(--border);
    margin-top: 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
    max-width: 800px;
    margin: 0 auto 3rem;
}

.contact-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    padding: 1rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: var(--transition-slow);
    text-align: left;
    text-decoration: none;
    color: inherit;
}

.contact-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px -8px var(--accent-glow);
    color: inherit;
}

.contact-card .icon-box {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    background: var(--bg-tertiary);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 0.9rem;
}

.contact-card .label {
    display: block;
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.contact-card .value {
    display: block;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.85rem;
    margin-top: 0.125rem;
}

.social-links h2 {
    margin-bottom: 2.5rem;
}

/* =========================================
   15. Scroll Animations
   ========================================= */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section.animate-in {
    animation: fadeUp 0.6s ease-out forwards;
}

/* =========================================
   16. Accessibility Menu
   ========================================= */
.a11y-trigger {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 0.75rem;
    background: var(--accent);
    color: #fff;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(56, 189, 248, 0.3);
    z-index: 1000;
    font-size: 1.125rem;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.a11y-trigger:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 20px rgba(56, 189, 248, 0.4);
}

.a11y-menu {
    position: fixed;
    bottom: 5.5rem;
    right: 2rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    padding: 1.25rem;
    border-radius: 1rem;
    z-index: 1000;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
    width: 300px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(8px);
    transition: var(--transition);
    backdrop-filter: blur(16px);
}

.a11y-menu.active {
    opacity: 1;
    pointer-events: all;
    transform: translateY(0);
}

.a11y-menu h3 {
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.625rem;
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1rem;
    padding: 0.25rem;
    transition: var(--transition);
    border-radius: 0.375rem;
}

.close-btn:hover {
    color: var(--accent);
    transform: rotate(90deg);
}

/* A11y Widget Grid */
.a11y-grid {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.a11y-control-group {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--card-bg);
    padding: 0.625rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border);
}

.btn-group {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    background: var(--bg-primary);
    padding: 0.2rem;
    border-radius: 1.5rem;
    border: 1px solid var(--border);
}

.icon-btn {
    background: var(--bg-secondary);
    border: none;
    color: var(--text-primary);
    width: 26px;
    height: 26px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    font-size: 0.75rem;
}

.icon-btn:hover {
    background: var(--accent);
    color: white;
}

#textSizeDisplay {
    font-size: 0.8rem;
    font-weight: 600;
    min-width: 38px;
    text-align: center;
}

.a11y-toggle-btn {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    width: 100%;
    padding: 0.5rem 0.75rem;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-body);
    font-size: 0.825rem;
    text-align: left;
}

.a11y-toggle-btn i {
    width: 16px;
    text-align: center;
    color: var(--text-muted);
    transition: var(--transition);
    flex-shrink: 0;
}

.a11y-toggle-btn:hover {
    border-color: var(--border-hover);
}

.a11y-toggle-btn[aria-pressed="true"] {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.a11y-toggle-btn[aria-pressed="true"] i {
    color: white;
}

.reset-btn {
    width: 100%;
    margin-top: 0.375rem;
    padding: 0.625rem;
    background: transparent;
    border: 1px dashed var(--text-muted);
    color: var(--text-muted);
    border-radius: 0.5rem;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.825rem;
}

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

/* =========================================
   17. Accessibility Themes
   ========================================= */
/* High Contrast */
body[data-a11y-contrast="high"] {
    --bg-primary: #000000 !important;
    --bg-secondary: #000000 !important;
    --bg-tertiary: #1a1a1a !important;
    --text-primary: #ffff00 !important;
    --text-secondary: #00ff00 !important;
    --accent: #00ffff !important;
    --border: #ffffff !important;
    --card-bg: #000000 !important;
    --dot-color: transparent !important;
}

html.grayscale-mode {
    filter: grayscale(100%);
}

body.readable-font-mode {
    --font-heading: Arial, Helvetica, sans-serif !important;
    --font-body: Arial, Helvetica, sans-serif !important;
    letter-spacing: 0.05em;
    line-height: 1.8;
}

body.link-highlight-mode a {
    text-decoration: underline !important;
    text-decoration-thickness: 2px !important;
    text-underline-offset: 4px !important;
    background-color: yellow !important;
    color: black !important;
}

body.link-highlight-mode .btn {
    border-width: 2px !important;
    text-decoration: none !important;
}

html[data-a11y-text="large"] {
    font-size: 125%;
}

/* =========================================
   18. Responsive
   ========================================= */
@media (max-width: 768px) {
    .hero {
        padding-top: 7rem;
        align-items: flex-start;
        text-align: left;
    }

    .hero h1 {
        font-size: 2.25rem;
        line-height: 1.15;
    }

    .tagline {
        font-size: 0.7rem;
    }

    .bio {
        font-size: 0.95rem;
    }

    .section {
        padding: 3.5rem 0;
    }

    .skills-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .hero-avatar {
        width: 96px;
        height: 96px;
    }

    .a11y-menu {
        right: 1rem;
        left: 1rem;
        width: auto;
    }

    .a11y-trigger {
        right: 1rem;
        bottom: 1rem;
    }
}