/* css/style.css */
@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --accent-color: #ec4899;
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Animated Background */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: 
        radial-gradient(circle at 20% 50%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(120, 219, 255, 0.3) 0%, transparent 50%);
    animation: bgMove 20s ease-in-out infinite;
}

@keyframes bgMove {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 5%;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.nav-links {
    display: flex;
    gap: 3rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
    font-size: 1.1rem;
}

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

.mobile-menu {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    position: absolute;
    right: 5%;
}

.mobile-menu span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 5%;
    position: relative;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero h1 {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero h1 span {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: var(--gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.btn-secondary {
    border: 2px solid rgba(255,255,255,0.2);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.4);
}

/* Sections */
section {
    padding: 5rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient);
    border-radius: 2px;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    max-width: 300px;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    border: 3px solid rgba(255,255,255,0.1);
}

.about-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100%;
    height: 100%;
    border: 3px solid var(--primary-color);
    border-radius: 20px;
    z-index: -1;
}

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

/* Focus Areas Section */
.focus-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.focus-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(255,255,255,0.1);
    transition: all 0.3s;
}

.focus-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.focus-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.focus-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.skill-item {
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.1);
    transition: all 0.3s;
}

.skill-item:hover {
    transform: translateY(-3px);
    border-color: var(--primary-color);
}

.skill-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.skill-name {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-item {
    background: var(--bg-card);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.1);
    transition: all 0.3s;
}

.project-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.project-content {
    padding: 2rem;
}

.project-content h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.project-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.project-summary {
    color: var(--text-primary);
    font-weight: 600;
    line-height: 1.7;
}

.impact-list {
    color: var(--text-secondary);
    margin-left: 1.1rem;
    margin-bottom: 1rem;
    display: grid;
    gap: 0.35rem;
}

.impact-list li::marker {
    color: var(--primary-color);
}

.project-role {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.project-tag {
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary-color);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
}

/* Footer */
footer {
    text-align: center;
    padding: 3rem 5%;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: var(--text-secondary);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s;
    border: 1px solid rgba(255,255,255,0.1);
}

.social-links a:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(15, 23, 42, 0.95);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
    }

    .mobile-menu {
        display: flex;
    }

    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about-image::before {
        display: none;
    }

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

    .hero h1 {
        font-size: 2.5rem;
    }
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
}

/* AI Chat with GitHub Models Integration */

.ai-chat-section {
    padding: 2rem 5%;
    max-width: 800px;
    margin: 0 auto;
}

.chat-container {
    background: #0d1117;
    border: 1px solid #30363d;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.chat-header {
    background: linear-gradient(90deg, #161b22 0%, #21262d 100%);
    padding: 1rem 1.5rem;
    border-bottom: 1px solid #30363d;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.chat-window-controls {
    display: flex;
    gap: 0.5rem;
}

.chat-window-controls span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.chat-window-controls span:nth-child(1) { background: #ff5f56; }
.chat-window-controls span:nth-child(2) { background: #ffbd2e; }
.chat-window-controls span:nth-child(3) { background: #27ca40; }

.chat-title {
    color: #8b949e;
    font-family: 'Segoe UI', monospace;
    font-size: 0.9rem;
    margin-left: 0.5rem;
}

.chat-model-badge {
    color: #7ee787;
    font-size: 0.7rem;
    margin-left: auto;
    background: rgba(126,231,135,0.1);
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    border: 1px solid rgba(126,231,135,0.3);
}

.chat-messages {
    height: 300px;
    overflow-y: auto;
    padding: 1.5rem;
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
}

.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: #30363d;
    border-radius: 3px;
}

.bot-message, .user-message {
    margin-bottom: 1rem;
    animation: fadeIn 0.3s ease;
}

.bot-message .avatar {
    color: #58a6ff;
}

.user-message .prompt {
    color: #7ee787;
}

.user-message .text {
    color: #7ee787;
    margin-left: 0.5rem;
}

.prompt-symbol {
    color: #8b949e;
}

.command-highlight {
    color: #d2a8ff;
    background: rgba(210,168,255,0.1);
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
}

.typing-indicator {
    color: #8b949e;
    font-style: italic;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.typing-loader {
    display: inline-flex;
    gap: 0.25rem;
    margin-left: 0.35rem;
}

.typing-loader span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #8b949e;
    animation: pulseDots 1s infinite ease-in-out;
}

.typing-loader span:nth-child(2) {
    animation-delay: 0.15s;
}

.typing-loader span:nth-child(3) {
    animation-delay: 0.3s;
}

.bot-meta {
    margin-top: 0.4rem;
    margin-left: 1.7rem;
    display: inline-block;
    font-size: 0.72rem;
    color: #8b949e;
    border: 1px solid #30363d;
    border-radius: 10px;
    padding: 0.12rem 0.45rem;
    background: rgba(33, 38, 45, 0.7);
}

.chat-input-area {
    padding: 1rem 1.5rem;
    background: #161b22;
    border-top: 1px solid #30363d;
}

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

.input-prompt {
    color: #7ee787;
    font-weight: bold;
}

#chat-input {
    flex: 1;
    background: transparent;
    border: none;
    color: #7ee787;
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: 0.95rem;
    outline: none;
    caret-color: #7ee787;
}

#chat-input::placeholder {
    color: #484f58;
}

.chat-send-btn {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.3s;
}

.chat-send-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.chat-send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Suggested questions */
.chat-suggestions {
    padding: 0.75rem 1.5rem;
    background: #0d1117;
    border-top: 1px solid #21262d;
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.suggestion-chip {
    background: rgba(88,166,255,0.1);
    color: #58a6ff;
    border: 1px solid rgba(88,166,255,0.3);
    padding: 0.4rem 0.8rem;
    border-radius: 16px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s;
    font-family: 'Segoe UI', sans-serif;
}

.suggestion-chip:hover {
    background: rgba(88,166,255,0.2);
    transform: translateY(-1px);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

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

@keyframes pulseDots {
    0%, 80%, 100% { opacity: 0.2; transform: translateY(0); }
    40% { opacity: 1; transform: translateY(-2px); }
}

.typing-cursor::after {
    content: '|';
    color: #7ee787;
    animation: typing 1s infinite;
}

/* Chat colors utility */
.chat-color-green { color: #7ee787; }
.chat-color-blue { color: #58a6ff; }
.chat-color-purple { color: #d2a8ff; }
.chat-color-orange { color: #ffa657; }
.chat-color-gray { color: #8b949e; }
.chat-color-white { color: #c9d1d9; }
.chat-color-red { color: #ff7b72; }

/* Professional Theme Upgrade */
:root {
    --primary-color: #0f4c81;
    --secondary-color: #147d7e;
    --accent-color: #b45309;
    --bg-dark: #0b1220;
    --bg-card: #111b2f;
    --text-primary: #eaf0fb;
    --text-secondary: #9db0ce;
    --surface: rgba(16, 27, 47, 0.82);
    --surface-border: rgba(157, 176, 206, 0.18);
    --gradient: linear-gradient(135deg, #0f4c81 0%, #147d7e 100%);
}

[data-theme='light'] {
    --primary-color: #0f4c81;
    --secondary-color: #0f766e;
    --accent-color: #b45309;
    --bg-dark: #f4f7fb;
    --bg-card: #ffffff;
    --text-primary: #132238;
    --text-secondary: #4e647f;
    --surface: rgba(255, 255, 255, 0.86);
    --surface-border: rgba(19, 34, 56, 0.12);
    --gradient: linear-gradient(135deg, #0f4c81 0%, #0f766e 100%);
}

body {
    font-family: 'Manrope', 'Segoe UI Variable', sans-serif;
    background-color: var(--bg-dark);
    transition: background-color 0.25s ease, color 0.25s ease;
}

.bg-animation {
    background:
        radial-gradient(circle at 8% 20%, rgba(15, 76, 129, 0.25), transparent 35%),
        radial-gradient(circle at 85% 10%, rgba(20, 125, 126, 0.22), transparent 32%),
        radial-gradient(circle at 50% 75%, rgba(180, 83, 9, 0.13), transparent 34%),
        linear-gradient(145deg, rgba(11, 18, 32, 0.98), rgba(11, 18, 32, 0.92));
}

[data-theme='light'] .bg-animation {
    background:
        radial-gradient(circle at 8% 20%, rgba(15, 76, 129, 0.12), transparent 35%),
        radial-gradient(circle at 85% 10%, rgba(20, 125, 126, 0.11), transparent 32%),
        radial-gradient(circle at 50% 75%, rgba(180, 83, 9, 0.08), transparent 34%),
        linear-gradient(145deg, #f7faff, #edf3fa);
}

nav {
    justify-content: space-between;
    padding: 1.1rem 5%;
    background: var(--surface);
    border-bottom: 1px solid var(--surface-border);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
}

.nav-links a {
    letter-spacing: 0.03em;
    font-size: 0.92rem;
    font-weight: 700;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.nav-actions .mobile-menu {
    position: static;
}

.theme-toggle {
    border: 1px solid var(--surface-border);
    background: var(--bg-card);
    color: var(--text-primary);
    border-radius: 999px;
    padding: 0.45rem 0.9rem;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    cursor: pointer;
    transition: all 0.2s ease;
}

.theme-toggle:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.hero h1 {
    font-size: clamp(2.6rem, 7.6vw, 4.9rem);
    letter-spacing: -0.02em;
}

.hero p {
    max-width: 760px;
    font-size: 1.1rem;
}

.btn {
    border-radius: 14px;
    font-weight: 700;
    letter-spacing: 0.01em;
}

.btn-primary {
    box-shadow: 0 14px 30px rgba(15, 76, 129, 0.28);
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    letter-spacing: -0.02em;
}

.about-content,
.focus-card,
.project-item,
.skill-item,
.chat-container {
    background: color-mix(in srgb, var(--bg-card) 88%, transparent);
    border: 1px solid var(--surface-border);
    box-shadow: 0 18px 36px rgba(0, 0, 0, 0.16);
}

.about-content {
    padding: 2rem;
    border-radius: 18px;
}

.about-text h3 {
    font-size: 1.55rem;
}

.focus-card,
.project-item,
.skill-item {
    border-radius: 16px;
}

.focus-card:hover,
.project-item:hover,
.skill-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 36px rgba(15, 76, 129, 0.2);
}

.project-tag {
    border-radius: 999px;
    background: color-mix(in srgb, var(--primary-color) 16%, transparent);
    color: color-mix(in srgb, var(--text-primary) 80%, var(--primary-color));
}

.skill-icon {
    font-size: 2rem;
}

.chat-container {
    background: color-mix(in srgb, var(--bg-card) 82%, #030712);
}

.chat-title,
.chat-input-area,
.chat-suggestions,
.chat-header {
    font-family: 'Manrope', 'Segoe UI Variable', sans-serif;
}

.chat-messages,
#chat-input {
    font-family: 'JetBrains Mono', 'Consolas', monospace;
}

footer {
    border-top: 1px solid var(--surface-border);
}

.social-links a {
    background: var(--bg-card);
    border: 1px solid var(--surface-border);
}

@media (max-width: 768px) {
    nav {
        justify-content: flex-end;
    }

    .nav-actions {
        margin-left: auto;
    }

    .theme-toggle {
        padding: 0.38rem 0.75rem;
        font-size: 0.72rem;
    }
}

/* ==========================================
   THEME V2: COPPER EDITORIAL
   ========================================== */
@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,600;9..144,700&family=Space+Grotesk:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
    --primary-color: #9b4d2f;
    --secondary-color: #1f5f5b;
    --accent-color: #cb7d42;
    --bg-dark: #f2ece3;
    --bg-card: #fffaf2;
    --text-primary: #251b16;
    --text-secondary: #6a5850;
    --surface: rgba(255, 250, 242, 0.92);
    --surface-border: rgba(37, 27, 22, 0.13);
    --gradient: linear-gradient(135deg, #9b4d2f 0%, #1f5f5b 100%);
}

[data-theme='dark'] {
    --primary-color: #df8f62;
    --secondary-color: #57a89f;
    --accent-color: #f2b27f;
    --bg-dark: #171311;
    --bg-card: #231d19;
    --text-primary: #f4e7dd;
    --text-secondary: #bea799;
    --surface: rgba(35, 29, 25, 0.86);
    --surface-border: rgba(242, 219, 199, 0.18);
    --gradient: linear-gradient(135deg, #df8f62 0%, #57a89f 100%);
}

body {
    font-family: 'Space Grotesk', 'Segoe UI', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.7;
}

.bg-animation {
    background:
        radial-gradient(circle at 8% 10%, rgba(203, 125, 66, 0.16), transparent 32%),
        radial-gradient(circle at 88% 20%, rgba(31, 95, 91, 0.14), transparent 28%),
        radial-gradient(circle at 55% 78%, rgba(155, 77, 47, 0.13), transparent 30%),
        repeating-linear-gradient(45deg, rgba(37, 27, 22, 0.02) 0 2px, transparent 2px 12px);
    animation: none;
}

[data-theme='dark'] .bg-animation {
    background:
        radial-gradient(circle at 10% 14%, rgba(223, 143, 98, 0.16), transparent 32%),
        radial-gradient(circle at 88% 20%, rgba(87, 168, 159, 0.14), transparent 28%),
        radial-gradient(circle at 50% 84%, rgba(242, 178, 127, 0.09), transparent 30%),
        repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.02) 0 2px, transparent 2px 12px);
}

nav {
    backdrop-filter: blur(8px);
    background: var(--surface);
    border-bottom: 2px solid var(--surface-border);
    box-shadow: 0 6px 0 rgba(0, 0, 0, 0.03);
}

.nav-links {
    gap: 1.6rem;
}

.nav-links a {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--text-secondary);
}

.nav-links a:hover {
    color: var(--primary-color);
}

.theme-toggle {
    border-radius: 5px;
    border: 2px solid var(--surface-border);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.theme-toggle:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

.hero {
    min-height: calc(100vh - 78px);
    align-items: center;
    padding-top: 6.5rem;
    padding-bottom: 2rem;
}

.hero-content {
    text-align: left;
    max-width: 900px;
}

.hero h1 {
    font-family: 'Fraunces', serif;
    font-size: clamp(2.7rem, 8vw, 5.4rem);
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 1.4rem;
}

.hero h1 span {
    background: none;
    -webkit-text-fill-color: inherit;
    color: var(--primary-color);
    border-bottom: 4px solid color-mix(in srgb, var(--primary-color) 50%, transparent);
}

.hero p {
    margin: 0 0 1.8rem;
    max-width: 720px;
    font-size: 1.04rem;
}

.impact-bar {
    margin-top: 1.35rem;
    display: grid;
    grid-template-columns: repeat(4, minmax(120px, 1fr));
    gap: 0.55rem;
    max-width: 900px;
}

.impact-item {
    border: 1px solid var(--surface-border);
    background: color-mix(in srgb, var(--bg-card) 88%, transparent);
    border-radius: 4px;
    padding: 0.6rem 0.65rem;
    display: flex;
    flex-direction: column;
    gap: 0.12rem;
}

.impact-key {
    font-size: 0.75rem;
    line-height: 1.2;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--primary-color);
}

.impact-label {
    font-size: 0.73rem;
    line-height: 1.25;
    color: var(--text-secondary);
}

.credibility-badges {
    margin-top: 0.9rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}

.cred-badge {
    display: inline-flex;
    border: 1px solid var(--surface-border);
    background: color-mix(in srgb, var(--bg-card) 90%, transparent);
    color: var(--text-secondary);
    border-radius: 999px;
    padding: 0.24rem 0.62rem;
    font-size: 0.68rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    font-weight: 700;
}

.contact-strip {
    padding: 0.8rem 5% 0.2rem;
    max-width: 1180px;
    margin: 0 auto;
}

.contact-strip-inner {
    border: 1px solid var(--surface-border);
    background: color-mix(in srgb, var(--bg-card) 90%, transparent);
    border-radius: 4px;
    padding: 0.55rem 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    font-size: 0.8rem;
}

.contact-strip-inner a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
}

.contact-strip-inner a:hover {
    color: var(--primary-color);
}

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

.cta-buttons {
    justify-content: flex-start;
}

.btn {
    border-radius: 4px;
    padding: 0.88rem 1.25rem;
    font-size: 0.88rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-weight: 700;
}

.btn-primary {
    background: var(--text-primary);
    color: var(--bg-card);
    box-shadow: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: none;
    background: var(--primary-color);
}

.btn-secondary {
    border: 2px solid var(--text-primary);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: transparent;
    border-color: var(--primary-color);
    color: var(--primary-color);
}

section {
    max-width: 1180px;
    padding: 4.1rem 5%;
}

.section-title {
    font-family: 'Fraunces', serif;
    letter-spacing: -0.02em;
    font-size: clamp(2rem, 4.4vw, 3rem);
}

.section-title::after {
    width: 90px;
    height: 3px;
    border-radius: 0;
    background: var(--primary-color);
}

.about-content,
.focus-card,
.project-item,
.skill-item {
    border: 2px solid var(--surface-border);
    box-shadow: 6px 6px 0 color-mix(in srgb, var(--text-primary) 12%, transparent);
}

.about-content {
    background: color-mix(in srgb, var(--bg-card) 92%, transparent);
    border-radius: 6px;
}

.about-image img {
    border-radius: 8px;
    border: 2px solid var(--surface-border);
}

.about-image::before {
    border-width: 2px;
    border-radius: 8px;
    border-color: var(--accent-color);
}

.focus-grid {
    gap: 1.25rem;
}

.focus-card {
    border-radius: 6px;
    padding: 1.45rem;
}

.focus-card h3 {
    color: var(--primary-color);
}

.projects-grid {
    gap: 1.35rem;
}

.project-item {
    border-radius: 6px;
}

.project-content h3 {
    font-family: 'Fraunces', serif;
    font-size: 1.35rem;
}

.project-role {
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    font-size: 0.72rem;
    color: var(--secondary-color);
    background: color-mix(in srgb, var(--secondary-color) 14%, transparent);
    border: 1px solid color-mix(in srgb, var(--secondary-color) 45%, transparent);
    border-radius: 4px;
    padding: 0.12rem 0.5rem;
    margin-bottom: 0.8rem;
}

.project-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-bottom: 1rem;
}

.filter-btn {
    border: 1px solid var(--surface-border);
    background: var(--bg-card);
    color: var(--text-secondary);
    border-radius: 4px;
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-weight: 700;
    padding: 0.35rem 0.64rem;
    cursor: pointer;
}

.filter-btn:hover,
.filter-btn.active {
    color: var(--primary-color);
    border-color: var(--primary-color);
    background: color-mix(in srgb, var(--primary-color) 10%, var(--bg-card));
}

.project-toggle {
    border: 1px solid var(--surface-border);
    background: color-mix(in srgb, var(--bg-card) 92%, transparent);
    color: var(--text-secondary);
    border-radius: 4px;
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-weight: 700;
    padding: 0.35rem 0.6rem;
    margin-bottom: 0.85rem;
    cursor: pointer;
}

.project-toggle:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.project-details {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-6px);
    transition: max-height 0.35s ease, opacity 0.25s ease, transform 0.25s ease;
}

.project-item.is-open .project-details {
    max-height: 1100px;
    opacity: 1;
    transform: translateY(0);
}

.project-item.is-hidden {
    display: none;
}

.timeline-strip {
    display: grid;
    grid-template-columns: repeat(4, minmax(160px, 1fr));
    gap: 0.8rem;
}

.timeline-step {
    border: 1px solid var(--surface-border);
    background: color-mix(in srgb, var(--bg-card) 90%, transparent);
    border-radius: 6px;
    padding: 1rem 0.9rem;
}

.timeline-year {
    display: inline-block;
    font-size: 0.66rem;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    color: var(--secondary-color);
    border: 1px solid color-mix(in srgb, var(--secondary-color) 40%, transparent);
    background: color-mix(in srgb, var(--secondary-color) 12%, transparent);
    border-radius: 999px;
    padding: 0.18rem 0.48rem;
    margin-bottom: 0.5rem;
}

.timeline-step h3 {
    font-family: 'Fraunces', serif;
    font-size: 1.08rem;
    line-height: 1.2;
    margin-bottom: 0.35rem;
}

.timeline-step p {
    color: var(--text-secondary);
    font-size: 0.83rem;
}

.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal-visible {
    opacity: 1;
    transform: translateY(0);
}

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

.impact-list {
    margin-left: 1rem;
    gap: 0.28rem;
}

.project-tag {
    border-radius: 4px;
    border: 1px solid color-mix(in srgb, var(--primary-color) 40%, transparent);
    background: color-mix(in srgb, var(--primary-color) 10%, transparent);
    color: var(--text-primary);
}

.skills-grid {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1rem;
}

.skill-item {
    border-radius: 6px;
    padding: 1rem 0.8rem;
}

.skill-icon {
    font-size: 1.6rem;
}

.skill-name {
    font-size: 0.83rem;
    letter-spacing: 0.01em;
}

.skill-desc {
    margin-top: 0.45rem;
    font-size: 0.7rem;
    line-height: 1.35;
    color: var(--text-secondary);
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: opacity 0.2s ease, max-height 0.2s ease;
}

.skill-item:hover .skill-desc,
.skill-item:focus .skill-desc,
.skill-item:focus-within .skill-desc {
    opacity: 1;
    max-height: 2.6em;
}

.skill-item:focus {
    outline: 2px solid color-mix(in srgb, var(--primary-color) 60%, transparent);
    outline-offset: 2px;
}

.chat-container {
    border-radius: 8px;
    border: 2px solid var(--surface-border);
    box-shadow: 8px 8px 0 color-mix(in srgb, var(--text-primary) 10%, transparent);
    background: var(--bg-card);
}

.chat-header {
    background: color-mix(in srgb, var(--bg-card) 88%, var(--primary-color));
    border-bottom: 2px solid var(--surface-border);
}

.chat-title {
    color: var(--text-primary);
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    letter-spacing: 0.01em;
}

.chat-model-badge {
    color: var(--secondary-color);
    background: color-mix(in srgb, var(--secondary-color) 14%, transparent);
    border: 1px solid color-mix(in srgb, var(--secondary-color) 40%, transparent);
    border-radius: 4px;
    font-size: 0.66rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.chat-messages {
    background: color-mix(in srgb, var(--bg-card) 96%, transparent);
    border-bottom: 1px solid var(--surface-border);
    font-family: 'IBM Plex Mono', monospace;
}

.bot-message .avatar,
.user-message .prompt,
.input-prompt {
    color: var(--primary-color);
}

.chat-color-white {
    color: var(--text-primary);
}

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

.chat-color-blue {
    color: var(--secondary-color);
}

.chat-color-purple {
    color: var(--accent-color);
}

.chat-color-orange {
    color: var(--accent-color);
}

.chat-input-area,
.chat-suggestions {
    background: color-mix(in srgb, var(--bg-card) 92%, transparent);
    border-top: 1px solid var(--surface-border);
}

#chat-input {
    color: var(--text-primary);
    font-family: 'IBM Plex Mono', monospace;
}

#chat-input::placeholder {
    color: color-mix(in srgb, var(--text-secondary) 75%, transparent);
}

.chat-send-btn {
    border-radius: 4px;
    background: var(--text-primary);
    color: var(--bg-card);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.chat-send-btn:hover:not(:disabled) {
    box-shadow: none;
    background: var(--primary-color);
}

.suggestion-chip {
    border-radius: 4px;
    background: color-mix(in srgb, var(--secondary-color) 11%, transparent);
    color: var(--secondary-color);
    border: 1px solid color-mix(in srgb, var(--secondary-color) 40%, transparent);
    font-family: 'Space Grotesk', sans-serif;
}

footer {
    border-top: 2px solid var(--surface-border);
    padding-top: 2.2rem;
}

.social-links a {
    border-radius: 6px;
    width: 36px;
    height: 36px;
    border: 2px solid var(--surface-border);
}

.social-links a:hover {
    background: var(--primary-color);
    color: #fff;
}

@media (max-width: 900px) {
    .hero {
        min-height: 76vh;
        align-items: center;
        padding-bottom: 2rem;
    }

    .hero-content {
        text-align: center;
    }

    .cta-buttons {
        justify-content: center;
    }

    .impact-bar {
        grid-template-columns: repeat(2, minmax(140px, 1fr));
        max-width: 520px;
        margin-left: auto;
        margin-right: auto;
    }

    .credibility-badges {
        justify-content: center;
    }

    .timeline-strip {
        grid-template-columns: repeat(2, minmax(180px, 1fr));
    }
}

@media (max-width: 768px) {
    nav {
        padding: 0.95rem 5%;
    }

    .section-title {
        font-size: 2rem;
    }

    .skills-grid {
        grid-template-columns: repeat(2, minmax(120px, 1fr));
    }

    .chat-messages {
        height: 270px;
    }

    .contact-strip {
        padding-top: 0.65rem;
    }

    .contact-strip-inner {
        font-size: 0.72rem;
        flex-wrap: wrap;
        gap: 0.35rem 0.5rem;
    }

    .impact-bar {
        grid-template-columns: 1fr;
        max-width: 320px;
        margin-left: auto;
        margin-right: auto;
    }

    .timeline-strip {
        grid-template-columns: 1fr;
    }

}

/* ==========================================
   THEME V3: MODERN EDITORIAL PANEL
   ========================================== */
@import url('https://fonts.googleapis.com/css2?family=General+Sans:wght@400;500;600;700&family=Sora:wght@500;600;700;800&family=IBM+Plex+Mono:wght@400;500&display=swap');

.theme-v3 {
    --v3-bg: #0d1b34;
    --v3-surface: #182a47;
    --v3-text: #eaf1ff;
    --v3-subtext: #9cb0d0;
    --v3-border: #2a3d60;
    --v3-accent: #4f7df3;
    --v3-accent-2: #61b3ff;
    --v3-warm: #7b8cff;
    --v3-shadow: 0 14px 38px rgba(9, 24, 51, 0.08);
}

.theme-v3[data-theme='light'] {
    --v3-bg: #edf4ff;
    --v3-surface: #f8fbff;
    --v3-text: #10203b;
    --v3-subtext: #4f6588;
    --v3-border: #c8d8f0;
    --v3-accent: #356ae6;
    --v3-accent-2: #2f7fd9;
    --v3-warm: #5f76e9;
    --v3-shadow: 0 14px 34px rgba(19, 46, 88, 0.1);
}

.theme-v3[data-theme='dark'] {
    --v3-bg: #0d1b34;
    --v3-surface: #182a47;
    --v3-text: #eaf1ff;
    --v3-subtext: #9cb0d0;
    --v3-border: #2a3d60;
    --v3-accent: #4f7df3;
    --v3-accent-2: #61b3ff;
    --v3-warm: #7b8cff;
    --v3-shadow: 0 18px 44px rgba(0, 0, 0, 0.35);
}

.theme-v3 body,
body.theme-v3 {
    font-family: 'General Sans', 'Segoe UI', sans-serif;
    background: var(--v3-bg);
    color: var(--v3-text);
}

.theme-v3 .bg-animation {
    background:
        radial-gradient(circle at 50% 18%, rgba(97, 179, 255, 0.34), transparent 38%),
        radial-gradient(circle at 84% 86%, rgba(123, 140, 255, 0.2), transparent 34%),
        radial-gradient(circle at 12% 78%, rgba(79, 125, 243, 0.16), transparent 34%),
        linear-gradient(135deg, #0d1b34 0%, #233f68 50%, #1a2f55 100%);
    animation: none;
}

.theme-v3[data-theme='dark'] .bg-animation {
    background:
        radial-gradient(circle at 50% 18%, rgba(97, 179, 255, 0.34), transparent 38%),
        radial-gradient(circle at 84% 86%, rgba(123, 140, 255, 0.2), transparent 34%),
        radial-gradient(circle at 12% 78%, rgba(79, 125, 243, 0.16), transparent 34%),
        linear-gradient(135deg, #0d1b34 0%, #233f68 50%, #1a2f55 100%);
}

.theme-v3[data-theme='light'] .bg-animation {
    background:
        radial-gradient(circle at 50% 18%, rgba(47, 127, 217, 0.2), transparent 38%),
        radial-gradient(circle at 84% 86%, rgba(95, 118, 233, 0.14), transparent 34%),
        radial-gradient(circle at 12% 78%, rgba(53, 106, 230, 0.12), transparent 34%),
        linear-gradient(135deg, #eef4ff 0%, #dae8fb 52%, #e9f2ff 100%);
}

.theme-v3 nav {
    background: color-mix(in srgb, var(--v3-surface) 92%, transparent);
    border-bottom: 1px solid var(--v3-border);
    box-shadow: 0 8px 20px rgba(2, 12, 29, 0.06);
    padding-top: 0.9rem;
    padding-bottom: 0.9rem;
}

.theme-v3 .nav-links {
    gap: 1rem;
}

.theme-v3 .nav-links a {
    color: var(--v3-subtext);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.76rem;
    font-weight: 500;
    letter-spacing: 0.07em;
    padding: 0.35rem 0.6rem;
    border-radius: 999px;
}

.theme-v3 .nav-links a:visited {
    color: var(--v3-subtext);
}

.theme-v3 .nav-links a:hover {
    color: var(--v3-accent-2);
    background: color-mix(in srgb, var(--v3-accent-2) 12%, transparent);
}

.theme-v3 .nav-links a:visited:hover {
    color: var(--v3-accent-2);
}

.theme-v3 .nav-links a.active {
    color: var(--v3-accent-2);
    background: color-mix(in srgb, var(--v3-accent-2) 16%, transparent);
}

.theme-v3 .theme-toggle {
    border: 1px solid var(--v3-border);
    background: var(--v3-surface);
    color: var(--v3-text);
    border-radius: 999px;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.72rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.theme-v3 .theme-toggle:hover {
    border-color: var(--v3-accent-2);
    color: var(--v3-accent-2);
}

.theme-v3 section {
    padding-top: 3.6rem;
    padding-bottom: 3.6rem;
}

.theme-v3 .hero {
    min-height: calc(92vh - 74px);
    align-items: center;
    padding-top: 5.6rem;
    padding-bottom: 2.8rem;
}

.theme-v3 .hero-content {
    max-width: 980px;
    width: 100%;
    background: color-mix(in srgb, var(--v3-surface) 96%, transparent);
    border: 1px solid var(--v3-border);
    border-radius: 24px;
    box-shadow: var(--v3-shadow);
    padding: 2rem clamp(1.2rem, 3vw, 2.2rem);
    text-align: left;
    position: relative;
    overflow: hidden;
}

.theme-v3 .hero-content::before {
    content: '';
    position: absolute;
    inset: 0 0 auto 0;
    height: 6px;
    background: linear-gradient(90deg, var(--v3-accent-2), var(--v3-accent), var(--v3-warm));
}

.theme-v3 .hero h1 {
    font-family: 'Sora', sans-serif;
    font-size: clamp(2.2rem, 6.4vw, 4.4rem);
    line-height: 1.04;
    color: var(--v3-text);
    letter-spacing: -0.03em;
}

.theme-v3 .hero h1 span {
    background: linear-gradient(90deg, var(--v3-accent-2), var(--v3-accent), var(--v3-warm));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    border: none;
}

.theme-v3 .hero p {
    color: var(--v3-subtext);
    font-size: 1.02rem;
    max-width: 780px;
}

.theme-v3 .btn {
    border-radius: 12px;
    text-transform: none;
    letter-spacing: 0.01em;
    font-weight: 700;
}

.theme-v3 .btn-primary {
    background: var(--v3-accent-2);
    color: #f8fbff;
}

.theme-v3 .btn-primary:hover {
    background: var(--v3-accent);
}

.theme-v3 .btn-secondary {
    border: 1px solid var(--v3-border);
    color: var(--v3-text);
}

.theme-v3 .btn-secondary:hover {
    border-color: var(--v3-accent-2);
    color: var(--v3-accent-2);
}

.theme-v3 .hero-contact-card {
    margin-top: 0.9rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}

.theme-v3 .hero-contact-item {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.theme-v3 .hero-contact-card a {
    border: 1px solid var(--v3-border);
    background: color-mix(in srgb, var(--v3-surface) 90%, transparent);
    color: var(--v3-subtext);
    text-decoration: none;
    border-radius: 999px;
    padding: 0.3rem 0.62rem;
    font-size: 0.7rem;
    letter-spacing: 0.04em;
    font-family: 'IBM Plex Mono', monospace;
}

.theme-v3 .hero-contact-card a:hover {
    color: var(--v3-accent-2);
    border-color: color-mix(in srgb, var(--v3-accent-2) 45%, var(--v3-border));
}

.theme-v3 .copy-email-btn {
    border: 1px solid var(--v3-border);
    background: color-mix(in srgb, var(--v3-surface) 90%, transparent);
    color: var(--v3-subtext);
    border-radius: 999px;
    padding: 0.3rem 0.62rem;
    font-size: 0.7rem;
    letter-spacing: 0.04em;
    font-family: 'IBM Plex Mono', monospace;
    cursor: pointer;
}

.theme-v3 .copy-email-btn:hover {
    color: var(--v3-accent-2);
    border-color: color-mix(in srgb, var(--v3-accent-2) 45%, var(--v3-border));
}

.theme-v3 .impact-bar {
    margin-top: 1.2rem;
    grid-template-columns: repeat(4, minmax(120px, 1fr));
}

.theme-v3 .impact-item {
    border: 1px solid var(--v3-border);
    background: color-mix(in srgb, var(--v3-surface) 95%, transparent);
    border-radius: 12px;
}

.theme-v3 .impact-key {
    color: var(--v3-accent-2);
    font-family: 'IBM Plex Mono', monospace;
    letter-spacing: 0.05em;
}

.theme-v3 .impact-label {
    color: var(--v3-subtext);
}

.theme-v3 .section-title {
    font-family: 'Sora', sans-serif;
    color: var(--v3-text);
    letter-spacing: -0.02em;
}

.theme-v3 .section-title::after {
    width: 78px;
    height: 3px;
    border-radius: 99px;
    background: linear-gradient(90deg, var(--v3-accent-2), var(--v3-accent));
}

.theme-v3 .about-content,
.theme-v3 .focus-card,
.theme-v3 .cert-item,
.theme-v3 .project-item,
.theme-v3 .skill-item,
.theme-v3 .timeline-step,
.theme-v3 .why-hire-item,
.theme-v3 .opportunity-cta,
.theme-v3 .chat-container {
    border: 1px solid var(--v3-border);
    border-radius: 16px;
    background: color-mix(in srgb, var(--v3-surface) 95%, transparent);
    box-shadow: var(--v3-shadow);
}

.theme-v3 .about-content {
    padding: 1.5rem;
    gap: 2rem;
}

.theme-v3 .about-text h3 {
    color: var(--v3-accent-2);
}

.theme-v3 .about-text p,
.theme-v3 .focus-card p,
.theme-v3 .project-content p,
.theme-v3 .timeline-step p {
    color: var(--v3-subtext);
}

.theme-v3 .focus-card h3 {
    color: var(--v3-accent);
}

.theme-v3 .cert-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(220px, 1fr));
    gap: 0.8rem;
}

.theme-v3 .cert-item {
    padding: 1rem;
}

.theme-v3 .cert-item h3 {
    font-family: 'Sora', sans-serif;
    font-size: 1rem;
    line-height: 1.3;
    margin-bottom: 0.4rem;
}

.theme-v3 .cert-provider {
    color: var(--v3-accent-2);
    font-size: 0.78rem;
    font-family: 'IBM Plex Mono', monospace;
    margin-bottom: 0.3rem;
}

.theme-v3 .cert-meta {
    color: var(--v3-subtext);
    font-size: 0.85rem;
    line-height: 1.5;
}

.theme-v3 .timeline-strip {
    grid-template-columns: repeat(4, minmax(180px, 1fr));
}

.theme-v3 .why-hire-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(200px, 1fr));
    gap: 0.8rem;
}

.theme-v3 .why-hire-item {
    padding: 1rem;
}

.theme-v3 .why-hire-item h3 {
    font-family: 'Sora', sans-serif;
    font-size: 1.02rem;
    margin-bottom: 0.35rem;
    color: var(--v3-accent-2);
}

.theme-v3 .timeline-year {
    color: var(--v3-accent-2);
    border-color: color-mix(in srgb, var(--v3-accent-2) 40%, transparent);
    background: color-mix(in srgb, var(--v3-accent-2) 10%, transparent);
}

.theme-v3 .project-filters {
    margin-bottom: 1.15rem;
}

.theme-v3 .project-controls {
    margin-bottom: 1rem;
}

.theme-v3 .project-search-input {
    width: 100%;
    margin-bottom: 0.6rem;
    border: 1px solid var(--v3-border);
    background: color-mix(in srgb, var(--v3-surface) 92%, transparent);
    color: var(--v3-text);
    border-radius: 12px;
    padding: 0.55rem 0.78rem;
    font-size: 0.88rem;
    outline: none;
}

.theme-v3 .project-search-input::placeholder {
    color: color-mix(in srgb, var(--v3-subtext) 75%, transparent);
}

.theme-v3 .project-search-input:focus {
    border-color: color-mix(in srgb, var(--v3-accent-2) 56%, var(--v3-border));
}

.theme-v3 .filter-btn,
.theme-v3 .project-toggle {
    border: 1px solid var(--v3-border);
    border-radius: 999px;
    background: var(--v3-surface);
    color: var(--v3-subtext);
    font-family: 'IBM Plex Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.theme-v3 .filter-btn:hover,
.theme-v3 .filter-btn.active,
.theme-v3 .project-toggle:hover {
    color: var(--v3-accent-2);
    border-color: color-mix(in srgb, var(--v3-accent-2) 42%, var(--v3-border));
    background: color-mix(in srgb, var(--v3-accent-2) 10%, var(--v3-surface));
}

.theme-v3 .project-role {
    color: var(--v3-accent);
    border-color: color-mix(in srgb, var(--v3-accent) 42%, transparent);
    background: color-mix(in srgb, var(--v3-accent) 12%, transparent);
}

.theme-v3 .project-content h3 {
    font-family: 'Sora', sans-serif;
    color: var(--v3-text);
}


.theme-v3 .project-summary {
    color: var(--v3-text);
}

.theme-v3 .project-impact {
    margin-top: -0.2rem;
    margin-bottom: 0.9rem;
    font-size: 0.85rem;
    color: var(--v3-subtext);
}

.theme-v3 .project-facts {
    display: flex;
    flex-wrap: wrap;
    gap: 0.38rem;
    margin-bottom: 0.65rem;
}

.theme-v3 .fact-chip {
    border: 1px solid var(--v3-border);
    background: color-mix(in srgb, var(--v3-accent-2) 8%, var(--v3-surface));
    color: var(--v3-subtext);
    border-radius: 999px;
    font-size: 0.67rem;
    padding: 0.2rem 0.52rem;
}

.theme-v3 .fact-chip strong {
    color: var(--v3-text);
}

.theme-v3 .impact-list li::marker {
    color: var(--v3-accent-2);
}

.theme-v3 .project-tag {
    border-radius: 999px;
    border: 1px solid color-mix(in srgb, var(--v3-accent) 34%, transparent);
    background: color-mix(in srgb, var(--v3-accent) 10%, var(--v3-surface));
    color: var(--v3-text);
    font-size: 0.74rem;
}

.theme-v3 .skills-grid {
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 0.9rem;
}

.theme-v3 .skill-item {
    border-radius: 14px;
    padding: 0.95rem 0.9rem;
}

.theme-v3 .skill-item:hover {
    transform: translateY(-4px);
    border-color: color-mix(in srgb, var(--v3-accent-2) 35%, var(--v3-border));
}

.theme-v3 .skill-icon {
    font-size: 1.5rem;
}

.theme-v3 .skill-name {
    color: var(--v3-text);
}

.theme-v3 .skill-desc {
    color: var(--v3-subtext);
}

.theme-v3 .ai-chat-section {
    max-width: 980px;
}

.theme-v3 .chat-container {
    border-radius: 20px;
}

.theme-v3 .chat-header {
    background: linear-gradient(90deg, color-mix(in srgb, var(--v3-accent-2) 15%, var(--v3-surface)), var(--v3-surface));
    border-bottom: 1px solid var(--v3-border);
}

.theme-v3 .chat-title {
    font-family: 'Sora', sans-serif;
    color: var(--v3-text);
}

.theme-v3 .chat-model-badge {
    color: var(--v3-accent);
    border-color: color-mix(in srgb, var(--v3-accent) 35%, transparent);
    background: color-mix(in srgb, var(--v3-accent) 12%, transparent);
}

.theme-v3 .chat-messages {
    font-family: 'IBM Plex Mono', monospace;
    border-bottom: 1px solid var(--v3-border);
    background: color-mix(in srgb, var(--v3-surface) 96%, transparent);
}

.theme-v3 .chat-input-area,
.theme-v3 .chat-suggestions {
    background: color-mix(in srgb, var(--v3-surface) 95%, transparent);
    border-top: 1px solid var(--v3-border);
}

.theme-v3 .chat-color-white {
    color: var(--v3-text);
}

.theme-v3 .chat-color-gray {
    color: var(--v3-subtext);
}

.theme-v3 .chat-color-blue {
    color: var(--v3-accent-2);
}

.theme-v3 .chat-color-green {
    color: var(--v3-accent);
}

.theme-v3 .chat-color-purple,
.theme-v3 .chat-color-orange {
    color: var(--v3-warm);
}

.theme-v3 .bot-source {
    margin-top: 0.35rem;
    margin-left: 1.7rem;
    font-size: 0.7rem;
    color: var(--v3-subtext);
    opacity: 0.9;
}

.theme-v3 #chat-input {
    color: var(--v3-text);
}

.theme-v3 #chat-input::placeholder {
    color: color-mix(in srgb, var(--v3-subtext) 72%, transparent);
}

.theme-v3 .chat-send-btn {
    border-radius: 12px;
    background: var(--v3-accent-2);
    color: #f7fbff;
}

.theme-v3 .chat-send-btn:hover:not(:disabled) {
    background: var(--v3-accent);
}

.theme-v3 .suggestion-chip {
    border-radius: 999px;
    border-color: color-mix(in srgb, var(--v3-accent-2) 35%, transparent);
    background: color-mix(in srgb, var(--v3-accent-2) 8%, transparent);
    color: var(--v3-accent-2);
}

.theme-v3 .chat-quick-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    padding: 0.7rem 1.5rem 1rem;
    border-top: 1px solid var(--v3-border);
    background: color-mix(in srgb, var(--v3-surface) 95%, transparent);
}

.theme-v3 .quick-action-btn {
    border: 1px solid color-mix(in srgb, var(--v3-accent-2) 35%, transparent);
    background: color-mix(in srgb, var(--v3-accent-2) 8%, transparent);
    color: var(--v3-accent-2);
    border-radius: 999px;
    padding: 0.28rem 0.62rem;
    font-size: 0.7rem;
    font-family: 'IBM Plex Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    cursor: pointer;
}

.theme-v3 .quick-action-btn:hover {
    background: color-mix(in srgb, var(--v3-accent-2) 16%, transparent);
}

.theme-v3 footer {
    border-top: 1px solid var(--v3-border);
    color: var(--v3-subtext);
}

.theme-v3 .site-updated {
    margin-top: 0.35rem;
    font-size: 0.8rem;
    color: color-mix(in srgb, var(--v3-subtext) 90%, transparent);
}

.theme-v3 .social-links a {
    border: 1px solid var(--v3-border);
    background: var(--v3-surface);
    color: var(--v3-subtext);
    width: auto;
    min-width: 72px;
    padding: 0 0.7rem;
    border-radius: 999px;
    font-size: 0.74rem;
    font-weight: 600;
}

.theme-v3 .social-links a:hover {
    background: var(--v3-accent-2);
    border-color: var(--v3-accent-2);
    color: #f8fbff;
}

.theme-v3 .opportunity-cta {
    text-align: center;
    padding: 2rem 1.2rem;
}

.theme-v3 .opportunity-cta h2 {
    font-family: 'Sora', sans-serif;
    font-size: clamp(1.4rem, 3vw, 2rem);
    margin-bottom: 0.5rem;
}

.theme-v3 .opportunity-cta p {
    color: var(--v3-subtext);
    max-width: 860px;
    margin: 0 auto 1rem;
}

.theme-v3 .opportunity-actions {
    display: flex;
    gap: 0.55rem;
    justify-content: center;
    flex-wrap: wrap;
}

.theme-v3 .reveal {
    transition: opacity 0.45s ease, transform 0.45s ease;
}

.theme-v3 a:focus-visible,
.theme-v3 button:focus-visible,
.theme-v3 input:focus-visible,
.theme-v3 .filter-btn:focus-visible,
.theme-v3 .project-toggle:focus-visible,
.theme-v3 .theme-toggle:focus-visible {
    outline: 2px solid var(--v3-accent-2);
    outline-offset: 2px;
}

@media (max-width: 980px) {
    .theme-v3 .hero-content {
        text-align: center;
    }

    .theme-v3 .cta-buttons {
        justify-content: center;
    }

    .theme-v3 .impact-bar {
        grid-template-columns: repeat(2, minmax(140px, 1fr));
        margin-left: auto;
        margin-right: auto;
    }

    .theme-v3 .why-hire-grid {
        grid-template-columns: 1fr;
    }

    .theme-v3 .cert-grid {
        grid-template-columns: 1fr;
    }

    .theme-v3 .hero-contact-card {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .theme-v3 .hero {
        min-height: auto;
        padding-top: 5.2rem;
    }

    .theme-v3 .hero-content {
        border-radius: 16px;
        padding: 1.2rem 1rem;
    }

    .theme-v3 .impact-bar {
        grid-template-columns: 1fr;
        max-width: 340px;
    }

    .theme-v3 .timeline-strip {
        grid-template-columns: 1fr;
    }

    .theme-v3 .project-filters {
        justify-content: center;
    }

    .theme-v3 .chat-quick-actions {
        justify-content: center;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
        scroll-behavior: auto !important;
    }

    .reveal,
    .reveal-visible {
        opacity: 1 !important;
        transform: none !important;
    }
}