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

:root {
    --bg-color: #0a0a0a;
    --text-color: #ffffff;
    --accent-color: #ffffff;
    --secondary-text: rgba(255, 255, 255, 0.7);
    --border-color: rgba(255, 255, 255, 0.1);
    --hover-color: rgba(255, 255, 255, 0.9);
    --nav-bg: rgba(10, 10, 10, 0.95);
}

[data-theme="light"] {
    --bg-color: #ffffff;
    --text-color: #0a0a0a;
    --accent-color: #0a0a0a;
    --secondary-text: rgba(10, 10, 10, 0.7);
    --border-color: rgba(10, 10, 10, 0.1);
    --hover-color: rgba(10, 10, 10, 0.9);
    --nav-bg: rgba(255, 255, 255, 0.95);
}

[data-theme="light"] .nav {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s, color 0.3s;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--nav-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.3s, border-color 0.3s;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
    gap: 5px;
    z-index: 1001;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--text-color);
    transition: all 0.3s;
    display: block;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

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

.nav-logo {
    font-size: 24px;
    font-weight: bold;
    color: var(--text-color);
    text-decoration: none;
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--secondary-text);
    text-decoration: none;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s;
    white-space: nowrap;
}

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

.nav-social {
    color: var(--text-color);
    text-decoration: none;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 20px 80px;
    position: relative;
}

@media (max-width: 768px) {
    .hero {
        padding: 100px 16px 60px;
        min-height: calc(100vh - 80px);
    }
}

.hero-container {
    max-width: 1200px;
    width: 100%;
}

.hero-layout {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 44px;
    align-items: center;
}

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

.hero-title {
    font-size: clamp(48px, 8vw, 120px);
    font-weight: 300;
    letter-spacing: 8px;
    margin-bottom: 20px;
    line-height: 1.1;
    text-transform: uppercase;
}

@media (max-width: 480px) {
    .hero-title {
        letter-spacing: 2px;
    }
}

.hero-subtitle {
    font-size: clamp(18px, 2vw, 28px);
    color: var(--secondary-text);
    margin-bottom: 60px;
    font-weight: 300;
}

.hero-prompt {
    display: flex;
    justify-content: center;
    margin: 0 auto 28px;
    width: 100%;
}

.hero-prompt__field {
    width: min(760px, 100%);
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    background: transparent;
}

.hero-prompt__field:focus-within {
    border-color: var(--text-color);
}

.hero-prompt__input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    color: var(--text-color);
    font-size: 16px;
    padding: 8px 8px;
}

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

.hero-prompt__send {
    width: 44px;
    height: 44px;
    border-radius: 999px;
    border: 1px solid var(--text-color);
    background: transparent;
    color: var(--text-color);
    cursor: pointer;
    font-size: 14px;
    letter-spacing: 1px;
    text-transform: uppercase;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    flex: 0 0 auto;
}

.hero-prompt__send:hover {
    background-color: var(--text-color);
    color: var(--bg-color);
}

.hero-prompt__send:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 50px;
}

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

.contact-cta.secondary:hover {
    border-color: var(--text-color);
    background-color: transparent;
    color: var(--text-color);
}

.hero-info {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    margin-top: 60px;
}

@media (max-width: 768px) {
    .hero-info {
        gap: 24px;
        margin-top: 40px;
    }
}

.hero-info-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.hero-info-item .label {
    font-size: 12px;
    color: var(--secondary-text);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-info-item .value {
    font-size: 14px;
    color: var(--text-color);
}

/* Chat Modal (hidden until first send) */
body.chat-modal-open {
    overflow: hidden;
}

.chat-modal {
    position: fixed;
    inset: 0;
    z-index: 2200;
    display: none;
}

.chat-modal.is-open {
    display: grid;
    place-items: center;
    padding: 24px;
}

.chat-modal__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.72);
    backdrop-filter: blur(6px);
}

.chat-modal__dialog {
    position: relative;
    margin: 0;
    width: min(920px, calc(100% - 48px));
    max-height: calc(100vh - 48px);
    overflow: hidden;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    display: grid;
    grid-template-rows: auto auto 1fr auto auto;
}

.chat-modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 16px 16px 0;
}

.chat-modal__title {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--secondary-text);
}

.chat-modal__actions {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.chat-modal__close {
    width: 40px;
    height: 40px;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-color);
    cursor: pointer;
    font-size: 16px;
    line-height: 1;
}

.chat-modal__close:hover {
    border-color: var(--text-color);
}

.chat-clear {
    padding: 8px 10px;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--secondary-text);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.3s;
}

.chat-clear:hover {
    border-color: var(--text-color);
    color: var(--text-color);
}

.chat-presets {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 12px 16px 12px;
}

.chat-preset {
    padding: 8px 12px;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--secondary-text);
    font-size: 12px;
    letter-spacing: 0.2px;
    cursor: pointer;
    transition: all 0.3s;
    white-space: nowrap;
}

.chat-preset:hover {
    border-color: var(--text-color);
    color: var(--text-color);
}

.chat-preset.is-active {
    border-color: var(--text-color);
    color: var(--bg-color);
    background: var(--text-color);
}

.chat-messages {
    overflow-y: auto;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.chat-msg {
    display: grid;
    gap: 6px;
    max-width: 100%;
}

.chat-msg__meta {
    font-size: 11px;
    color: var(--secondary-text);
    letter-spacing: 0.2px;
    text-transform: uppercase;
}

.chat-msg__bubble {
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 10px 12px;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-color);
    background: transparent;
    white-space: pre-wrap;
    word-break: break-word;
}

.chat-msg__bubble a {
    color: inherit;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.chat-typing {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-height: 16px;
}

.chat-typing__dot {
    width: 4px;
    height: 4px;
    border-radius: 999px;
    background: var(--secondary-text);
    opacity: 0.35;
    animation: chat-typing 1.1s infinite ease-in-out;
}

.chat-typing__dot:nth-child(2) {
    animation-delay: 0.15s;
}

.chat-typing__dot:nth-child(3) {
    animation-delay: 0.3s;
}

@keyframes chat-typing {
    0%,
    100% {
        transform: translateY(0);
        opacity: 0.35;
    }
    50% {
        transform: translateY(-3px);
        opacity: 0.9;
    }
}

@media (prefers-reduced-motion: reduce) {
    .chat-typing__dot {
        animation: none;
        opacity: 0.6;
    }
}

.chat-msg--user .chat-msg__bubble {
    border-color: rgba(255, 255, 255, 0.22);
}

[data-theme="light"] .chat-msg--user .chat-msg__bubble {
    border-color: rgba(10, 10, 10, 0.22);
}

.chat-msg--assistant .chat-msg__bubble {
    background: rgba(255, 255, 255, 0.03);
}

[data-theme="light"] .chat-msg--assistant .chat-msg__bubble {
    background: rgba(0, 0, 0, 0.03);
}

.chat-input {
    display: flex;
    gap: 10px;
    padding: 14px 16px 0;
}

.chat-text {
    flex: 1;
    padding: 12px 12px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-color);
    font-size: 14px;
    outline: none;
}

.chat-text:focus {
    border-color: var(--text-color);
}

.chat-send {
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid var(--text-color);
    background: var(--text-color);
    color: var(--bg-color);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s;
    white-space: nowrap;
}

.chat-send:hover {
    background: var(--hover-color);
    border-color: var(--hover-color);
}

.chat-send:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.chat-hint {
    padding: 10px 16px 14px;
    font-size: 12px;
    color: var(--secondary-text);
    line-height: 1.5;
}

.chat-messages::-webkit-scrollbar {
    width: 10px;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 999px;
    border: 2px solid transparent;
    background-clip: content-box;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.22);
    background-clip: content-box;
}

[data-theme="light"] .chat-messages::-webkit-scrollbar-thumb:hover {
    background: rgba(10, 10, 10, 0.22);
    background-clip: content-box;
}

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

@media (max-width: 640px) {
    .chat-modal.is-open {
        padding: 0;
    }

    .chat-modal__dialog {
        width: 100%;
        height: 100%;
        max-height: none;
        border-radius: 0;
    }
}

/* Section Styles */
section {
    padding: 100px 20px;
    position: relative;
}

@media (max-width: 768px) {
    section {
        padding: 60px 16px;
    }
}

.section-header {
    display: flex;
    align-items: baseline;
    gap: 20px;
    margin-bottom: 60px;
}

@media (max-width: 768px) {
    .section-header {
        margin-bottom: 40px;
        gap: 12px;
    }
}

.section-number {
    font-size: 14px;
    color: var(--secondary-text);
    font-weight: 300;
    letter-spacing: 1px;
}

.section-title {
    font-size: clamp(32px, 5vw, 64px);
    font-weight: 300;
    text-transform: uppercase;
    letter-spacing: 4px;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 80px;
    align-items: start;
}

@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

.about-text {
    max-width: 800px;
}

.about-intro {
    font-size: clamp(24px, 3vw, 36px);
    margin-bottom: 30px;
    font-weight: 300;
}

.about-description {
    font-size: clamp(16px, 2vw, 20px);
    color: var(--secondary-text);
    margin-bottom: 20px;
    line-height: 1.8;
    font-weight: 300;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: clamp(48px, 6vw, 72px);
    font-weight: 300;
    line-height: 1;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 14px;
    color: var(--secondary-text);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Experience Section */
.experience-grid {
    display: grid;
    gap: 60px;
}

@media (max-width: 768px) {
    .experience-grid {
        gap: 40px;
    }
}

.experience-item {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 40px;
    align-items: start;
    padding-bottom: 60px;
    border-bottom: 1px solid var(--border-color);
}

@media (max-width: 768px) {
    .experience-item {
        grid-template-columns: 1fr;
        gap: 20px;
        padding-bottom: 40px;
    }
    
    .experience-number {
        font-size: 48px !important;
    }
}

.experience-item:last-child {
    border-bottom: none;
}

.experience-number {
    font-size: clamp(48px, 6vw, 72px);
    font-weight: 300;
    color: var(--secondary-text);
    line-height: 1;
}

.experience-title {
    font-size: clamp(20px, 3vw, 28px);
    font-weight: 300;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.experience-company {
    font-size: 14px;
    color: var(--secondary-text);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.experience-description {
    font-size: clamp(16px, 2vw, 18px);
    color: var(--secondary-text);
    line-height: 1.8;
    font-weight: 300;
}

/* Case Results */
.case-results {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 30px;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

@media (max-width: 768px) {
    .case-results {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: 24px;
        padding-top: 24px;
    }
}

.case-result-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.case-metric {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 300;
    color: var(--text-color);
    line-height: 1;
}

.case-label {
    font-size: 14px;
    color: var(--secondary-text);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 300;
}

/* Services Section */
.services-intro {
    max-width: 800px;
    margin-bottom: 60px;
}

.services-intro p {
    font-size: clamp(18px, 2.5vw, 24px);
    color: var(--secondary-text);
    line-height: 1.8;
    font-weight: 300;
}

.services-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 80px;
}

@media (max-width: 768px) {
    .services-categories {
        grid-template-columns: 1fr;
        gap: 30px;
        margin-bottom: 50px;
    }
}

.category-title {
    font-size: 20px;
    font-weight: 300;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.service-tag {
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--secondary-text);
    transition: all 0.3s;
}

@media (max-width: 480px) {
    .service-tag {
        padding: 6px 12px;
        font-size: 11px;
    }
}

.service-tag:hover {
    border-color: var(--text-color);
    color: var(--text-color);
}

.services-list {
    display: grid;
    gap: 40px;
}

.service-item {
    padding: 40px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.blog-item {
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.blog-item-media {
    width: 96px;
    height: 96px;
    flex: 0 0 96px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.02);
}

[data-theme="light"] .blog-item-media {
    background: rgba(10, 10, 10, 0.02);
}

.blog-item-media img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.blog-item-content {
    flex: 1;
    min-width: 0;
}

@media (max-width: 768px) {
    .service-item {
        padding: 24px;
    }
}

@media (max-width: 640px) {
    .blog-item {
        flex-direction: column;
    }

    .blog-item-media {
        width: 100%;
        height: 180px;
    }
}

.service-item:hover {
    border-color: var(--text-color);
}

.service-name {
    font-size: 24px;
    font-weight: 300;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.service-description {
    font-size: 16px;
    color: var(--secondary-text);
    line-height: 1.8;
    font-weight: 300;
}

.service-meta {
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid var(--border-color);
    display: grid;
    gap: 10px;
}

.service-meta-row {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 16px;
    align-items: baseline;
}

.service-meta-label {
    font-size: 12px;
    color: var(--secondary-text);
    text-transform: uppercase;
    letter-spacing: 1px;
    white-space: nowrap;
}

.service-meta-value {
    font-size: 14px;
    color: var(--secondary-text);
    line-height: 1.7;
}

/* Process Section */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 60px;
}

@media (max-width: 768px) {
    .process-steps {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

.process-step {
    position: relative;
}

.step-number {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 300;
    color: var(--secondary-text);
    margin-bottom: 20px;
    line-height: 1;
}

.step-title {
    font-size: clamp(18px, 2.5vw, 24px);
    font-weight: 300;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.step-description {
    font-size: clamp(14px, 1.8vw, 16px);
    color: var(--secondary-text);
    line-height: 1.8;
    font-weight: 300;
}

/* Contact Section */
.contact {
    padding: 120px 20px;
    text-align: center;
}

@media (max-width: 768px) {
    .contact {
        padding: 80px 16px;
    }
}

.contact-title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 300;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 40px;
}

.contact-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .contact-info {
        flex-direction: column;
        gap: 16px;
    }
}

.contact-email {
    font-size: clamp(18px, 2.5vw, 24px);
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s;
}

.contact-email:hover {
    color: var(--hover-color);
}

.contact-copy {
    padding: 8px 16px;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--secondary-text);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s;
    display: none;
}

.contact-copy.active {
    display: block;
}

.contact-copy:hover {
    border-color: var(--text-color);
    color: var(--text-color);
}

.contact-cta {
    display: inline-block;
    padding: 16px 32px;
    border: 1px solid var(--text-color);
    color: var(--text-color);
    text-decoration: none;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: all 0.3s;
}

@media (max-width: 480px) {
    .contact-cta {
        padding: 14px 24px;
        font-size: 12px;
        width: 100%;
        max-width: 280px;
    }
}

.contact-cta:hover {
    background-color: var(--text-color);
    color: var(--bg-color);
}

.contact-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    padding: 60px 20px 40px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 40px;
}

.footer-info {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
}

.footer-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-label {
    font-size: 12px;
    color: var(--secondary-text);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-value,
.footer-link {
    font-size: 14px;
    color: var(--text-color);
    text-decoration: none;
}

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

.footer-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
}

.footer-links a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--secondary-text);
    text-decoration: none;
    letter-spacing: 0.2px;
}

.social-icon {
    width: 14px;
    height: 14px;
    flex: 0 0 auto;
    color: currentColor;
    opacity: 0.9;
}

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

.footer-links a:not(:last-child)::after {
    content: "/";
    margin-left: 12px;
    color: var(--secondary-text);
    opacity: 0.6;
}

.footer-copyright {
    font-size: 12px;
    color: var(--secondary-text);
}

/* Theme Toggle */
.theme-toggle {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    cursor: pointer;
    padding: 8px 12px;
    font-size: 18px;
    border-radius: 4px;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 32px;
}

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

.theme-icon {
    display: inline-block;
    transition: transform 0.3s;
}

.theme-toggle:hover .theme-icon {
    transform: rotate(15deg);
}

/* Theme Switch (Vercel-like segmented control: system / light / dark) */
.theme-switch {
    --theme-switch-height: 32px;
    --theme-switch-width: 112px;
    --theme-switch-padding: 2px;
    --theme-switch-radius: 999px;
    --theme-switch-indicator-radius: 999px;

    position: relative;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    align-items: center;
    width: var(--theme-switch-width);
    height: var(--theme-switch-height);
    padding: var(--theme-switch-padding);
    border: 1px solid var(--border-color);
    border-radius: var(--theme-switch-radius);
    background: transparent;
    overflow: hidden;
}

.theme-switch-input {
    position: absolute;
    opacity: 0;
    width: 1px;
    height: 1px;
    overflow: hidden;
    pointer-events: none;
}

.theme-switch-option {
    position: relative;
    z-index: 2;
    height: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: calc(var(--theme-switch-radius) - var(--theme-switch-padding));
    cursor: pointer;
    color: var(--secondary-text);
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    transition: color 0.2s ease;
}

.theme-switch-icon {
    display: block;
}

.theme-switch-indicator {
    position: absolute;
    z-index: 1;
    top: var(--theme-switch-padding);
    bottom: var(--theme-switch-padding);
    left: var(--theme-switch-padding);
    width: calc((100% - (var(--theme-switch-padding) * 2)) / 3);
    border-radius: var(--theme-switch-indicator-radius);
    background-color: var(--text-color);
    transform: translateX(0);
    transition: transform 0.22s cubic-bezier(0.2, 0.9, 0.2, 1),
        background-color 0.3s ease;
    will-change: transform;
}

/* Active option text/icon color flips against indicator */
.theme-switch-input:checked + .theme-switch-option {
    color: var(--bg-color);
}

/* Move indicator based on checked radio */
#theme-system:checked ~ .theme-switch-indicator {
    transform: translateX(0);
}

#theme-light:checked ~ .theme-switch-indicator {
    transform: translateX(100%);
}

#theme-dark:checked ~ .theme-switch-indicator {
    transform: translateX(200%);
}

/* Focus ring */
.theme-switch-input:focus-visible + .theme-switch-option {
    outline: 2px solid var(--text-color);
    outline-offset: 2px;
}

/* Hover */
@media (hover: hover) {
    .theme-switch:hover {
        border-color: var(--text-color);
    }

    .theme-switch-option:hover {
        color: var(--text-color);
    }

    .theme-switch-input:checked + .theme-switch-option:hover {
        color: var(--bg-color);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .nav-container {
        flex-wrap: wrap;
    }

    .nav-toggle {
        display: flex;
        order: 2;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: var(--nav-bg);
        backdrop-filter: blur(10px);
        padding: 20px;
        border-top: 1px solid var(--border-color);
        gap: 20px;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a {
        padding: 12px 0;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-links a:last-child {
        border-bottom: none;
    }

    .nav-social {
        order: 3;
        font-size: 12px;
    }

    .nav-logo {
        order: 1;
    }

    .hero-title {
        font-size: clamp(32px, 10vw, 80px) !important;
        letter-spacing: 4px !important;
    }

    .hero-subtitle {
        font-size: clamp(16px, 4vw, 24px) !important;
        margin-bottom: 40px !important;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
        width: 100%;
        margin-bottom: 32px;
    }

    .hero-info {
        flex-direction: column;
        gap: 20px;
        align-items: flex-start;
    }

    .hero-info-item {
        width: 100%;
    }

    .about-stats {
        flex-direction: row;
        justify-content: space-around;
        width: 100%;
    }

    .stat-number {
        font-size: 48px !important;
    }

    .section-title {
        font-size: clamp(24px, 8vw, 48px) !important;
        letter-spacing: 2px !important;
    }

    .about-intro {
        font-size: clamp(20px, 5vw, 32px) !important;
    }

    .about-description {
        font-size: clamp(14px, 3vw, 18px) !important;
    }

    .experience-title {
        font-size: clamp(18px, 4vw, 24px) !important;
    }

    .experience-description {
        font-size: clamp(14px, 3vw, 16px) !important;
    }

    .services-intro p {
        font-size: clamp(16px, 4vw, 20px) !important;
    }

    .service-name {
        font-size: clamp(18px, 4vw, 22px) !important;
    }

    .service-meta-row {
        grid-template-columns: 1fr;
        gap: 6px;
    }

    .step-title {
        font-size: clamp(18px, 4vw, 22px) !important;
    }

    .step-description {
        font-size: clamp(14px, 3vw, 16px) !important;
    }

    .contact-title {
        font-size: clamp(24px, 6vw, 36px) !important;
    }

    .footer {
        padding: 40px 16px 30px;
    }

    .footer-content {
        flex-direction: column;
        gap: 30px;
    }

    .footer-info {
        flex-direction: column;
        gap: 24px;
        width: 100%;
    }

    .footer-item {
        width: 100%;
    }

    .theme-toggle {
        min-width: 40px;
        min-height: 36px;
        padding: 6px 10px;
    }

    .theme-switch {
        --theme-switch-height: 36px;
        --theme-switch-width: 120px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 90px 12px 50px;
    }

    section {
        padding: 50px 12px;
    }

    .container {
        padding: 0 12px;
    }

    .nav-container {
        padding: 16px;
    }

    .hero-info-item .label {
        font-size: 11px;
    }

    .hero-info-item .value {
        font-size: 13px;
    }
}

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

/* Selection */
::selection {
    background-color: var(--text-color);
    color: var(--bg-color);
}

/* Smooth transitions for theme changes */
* {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Override transitions for specific elements that shouldn't animate */
.nav-logo,
.theme-toggle,
button,
a {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}

/* Booking Modal */
body.booking-modal-open {
    overflow: hidden;
}

.booking-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: none;
}

.booking-modal.is-open {
    display: grid;
    place-items: center;
    padding: 24px;
}

.booking-modal__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.72);
    backdrop-filter: blur(6px);
}

.booking-modal__dialog {
    position: relative;
    margin: 0;
    width: min(680px, calc(100% - 48px));
    max-height: calc(100vh - 48px);
    overflow: auto;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
}

.booking-modal__close {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 40px;
    height: 40px;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-color);
    cursor: pointer;
    font-size: 16px;
    line-height: 1;
}

.booking-modal__close:hover {
    border-color: var(--text-color);
}

.booking-modal__header {
    padding-right: 48px;
    margin-bottom: 18px;
}

.booking-modal.is-success .booking-modal__header {
    display: none;
}

.booking-modal.is-success .booking-modal__dialog {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.booking-modal.is-success .booking-form {
    width: 100%;
}

.booking-modal__title {
    font-size: clamp(22px, 3vw, 30px);
    font-weight: 300;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 6px;
}

.booking-modal__subtitle {
    color: var(--secondary-text);
    font-size: 14px;
    line-height: 1.7;
    font-weight: 300;
}

.booking-form__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 14px;
}

.booking-form__field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.booking-form__label {
    font-size: 12px;
    color: var(--secondary-text);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.booking-form__input,
.booking-form__textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-color);
    font-size: 14px;
    border-radius: 10px;
    outline: none;
}

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

.booking-form__input:focus,
.booking-form__textarea:focus {
    border-color: var(--text-color);
}

.booking-form__actions {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 16px;
}

button.contact-cta {
    background: transparent;
    cursor: pointer;
}

/* In booking modal, make primary action clearly visible */
.booking-form__actions button.contact-cta {
    background-color: var(--text-color);
    color: var(--bg-color);
}

.booking-form__actions button.contact-cta:hover {
    background-color: var(--hover-color);
    border-color: var(--hover-color);
    color: var(--bg-color);
}

button.contact-cta:disabled {
    background-color: var(--text-color);
    color: var(--bg-color);
    border-color: var(--border-color);
    opacity: 0.75;
    cursor: not-allowed;
}

.booking-form__status {
    margin-top: 14px;
    font-size: 14px;
    color: var(--secondary-text);
    min-height: 20px;
}

.booking-form__status[data-variant="success"] {
    color: var(--text-color);
}

.booking-form__status[data-variant="error"] {
    color: #ff6b6b;
}

.booking-form__success {
    display: none;
    align-items: center;
    gap: 14px;
    padding: 18px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-top: 0;
}

.booking-modal.is-success .booking-form__body {
    display: none;
}

.booking-modal.is-success .booking-form__success {
    display: flex;
}

.booking-form__success-icon {
    width: 44px;
    height: 44px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--text-color);
    color: var(--bg-color);
    background: var(--text-color);
    font-size: 20px;
    line-height: 1;
    flex: 0 0 auto;
}

.booking-form__success-title {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-color);
}

.booking-form__success-subtitle {
    font-size: 14px;
    color: var(--secondary-text);
    line-height: 1.6;
    font-weight: 300;
}

.booking-form__honey {
    position: absolute !important;
    left: -9999px !important;
    width: 1px !important;
    height: 1px !important;
    opacity: 0 !important;
}

@media (max-width: 640px) {
    .booking-modal__dialog {
        margin: 0;
        width: 100%;
        height: 100%;
        max-height: none;
        border-radius: 0;
        padding: 20px 16px;
    }

    .booking-modal.is-open {
        padding: 0;
    }

    .booking-form__grid {
        grid-template-columns: 1fr;
    }
}

/* Experience Page Styles */
.experience-page {
    padding-top: 120px;
}

.experience-page a,
.experience-page a:visited {
    color: var(--text-color);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.experience-page a:hover {
    color: var(--hover-color);
}

.resume-intro {
    max-width: 900px;
    margin-bottom: 80px;
}

.resume-summary {
    font-size: clamp(16px, 2vw, 18px);
    color: var(--secondary-text);
    line-height: 1.8;
    margin-bottom: 20px;
    font-weight: 300;
}

.experience-timeline {
    display: grid;
    gap: 80px;
    margin-bottom: 100px;
}

.timeline-item {
    position: relative;
    padding-bottom: 60px;
    border-bottom: 1px solid var(--border-color);
}

.timeline-item:last-child {
    border-bottom: none;
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 20px;
}

.timeline-title-section {
    flex: 1;
}

.timeline-title {
    font-size: clamp(24px, 4vw, 32px);
    font-weight: 300;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 8px;
}

.timeline-company {
    font-size: clamp(18px, 3vw, 24px);
    color: var(--secondary-text);
    font-weight: 300;
    margin-bottom: 4px;
}

.timeline-subtitle {
    font-size: 14px;
    color: var(--secondary-text);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.timeline-period {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--secondary-text);
    white-space: nowrap;
}

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

.timeline-roles {
    margin-bottom: 30px;
}

.role-item {
    display: flex;
    gap: 20px;
    margin-bottom: 12px;
    align-items: baseline;
}

.role-period {
    font-size: 13px;
    color: var(--secondary-text);
    min-width: 140px;
    font-weight: 300;
}

.role-title {
    font-size: 16px;
    color: var(--text-color);
    font-weight: 300;
}

.timeline-description {
    margin-bottom: 40px;
}

.timeline-description p {
    font-size: clamp(16px, 2vw, 18px);
    color: var(--secondary-text);
    line-height: 1.8;
    font-weight: 300;
}

.timeline-achievements,
.timeline-responsibilities {
    margin-bottom: 40px;
}

.achievements-title,
.responsibilities-title {
    font-size: clamp(18px, 3vw, 22px);
    font-weight: 300;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.achievements-list,
.responsibilities-list {
    list-style: none;
    padding: 0;
}

.achievements-list li,
.responsibilities-list li {
    font-size: clamp(15px, 2vw, 17px);
    color: var(--secondary-text);
    line-height: 1.8;
    margin-bottom: 12px;
    padding-left: 24px;
    position: relative;
    font-weight: 300;
}

.achievements-list li::before,
.responsibilities-list li::before {
    content: "●";
    position: absolute;
    left: 0;
    color: var(--text-color);
    font-size: 12px;
}

.skills-section {
    margin-bottom: 100px;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.skill-category {
    padding: 30px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.skill-category:hover {
    border-color: var(--text-color);
}

.skill-category-title {
    font-size: 18px;
    font-weight: 300;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skill-tag {
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    font-size: 14px;
    color: var(--secondary-text);
    transition: all 0.3s;
    display: inline-block;
}

.skill-tag:hover {
    border-color: var(--text-color);
    color: var(--text-color);
}

.education-section {
    margin-bottom: 80px;
}

.education-list {
    display: grid;
    gap: 40px;
}

.education-item {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 40px;
    padding: 30px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.education-item:hover {
    border-color: var(--text-color);
}

.education-year {
    font-size: 16px;
    color: var(--secondary-text);
    font-weight: 300;
    white-space: nowrap;
}

.education-title {
    font-size: clamp(18px, 3vw, 22px);
    font-weight: 300;
    margin-bottom: 8px;
}

.education-description {
    font-size: clamp(15px, 2vw, 17px);
    color: var(--secondary-text);
    line-height: 1.8;
    font-weight: 300;
}

.download-section {
    margin: 80px 0;
    padding: 60px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.download-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.download-title {
    font-size: clamp(24px, 4vw, 32px);
    font-weight: 300;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.download-description {
    font-size: clamp(15px, 2vw, 17px);
    color: var(--secondary-text);
    margin-bottom: 30px;
    line-height: 1.6;
    font-weight: 300;
}

.download-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    background-color: var(--text-color);
    color: var(--bg-color);
    text-decoration: none;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s;
    border: 1px solid var(--text-color);
    font-weight: 300;
}

.download-button:hover {
    background-color: transparent;
    color: var(--text-color);
}

.download-icon {
    font-size: 18px;
    display: inline-block;
}

.download-version {
    font-size: 12px;
    color: var(--secondary-text);
    margin-top: 20px;
    font-weight: 300;
    letter-spacing: 0.5px;
}

.version-year {
    color: var(--text-color);
    font-weight: 400;
    font-variant-numeric: tabular-nums;
}

.back-link {
    text-align: center;
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
}

.back-button {
    display: inline-block;
    padding: 14px 28px;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    text-decoration: none;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s;
}

.back-button:hover {
    border-color: var(--text-color);
    background-color: var(--border-color);
}

.gptapps-page {
    padding-top: 120px;
}

.service-cta-row {
    margin-top: 24px;
}

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

@media (max-width: 768px) {
    .experience-page {
        padding-top: 100px;
    }

    .resume-intro {
        margin-bottom: 60px;
    }

    .experience-timeline {
        gap: 60px;
        margin-bottom: 80px;
    }

    .timeline-header {
        flex-direction: column;
    }

    .timeline-period {
        width: 100%;
    }

    .role-item {
        flex-direction: column;
        gap: 8px;
    }

    .role-period {
        min-width: auto;
    }

    .skills-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .skill-category {
        padding: 24px;
    }

    .education-item {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .education-year {
        font-size: 14px;
    }

    .download-section {
        margin: 60px 0;
        padding: 40px 0;
    }

    .download-button {
        padding: 14px 24px;
        font-size: 12px;
        width: 100%;
        max-width: 300px;
    }

    .gptapps-page {
        padding-top: 100px;
    }
}