/*-----------------------------------*\
  #style.css
\*-----------------------------------*/


/**
 * copyright 2022 @codewithsadee
 */


/*-----------------------------------*\
  #CUSTOM PROPERTY
\*-----------------------------------*/

:root {
    color-scheme: dark;

    /**
     * colors
     */

    /* gradient */

    --bg-gradient-onyx: linear-gradient(
            to bottom right,
            hsl(240, 1%, 25%) 3%,
            hsl(0, 0%, 19%) 97%
    );
    --bg-gradient-jet: linear-gradient(
            to bottom right,
            hsla(240, 1%, 18%, 0.251) 0%,
            hsla(240, 2%, 11%, 0) 100%
    ), hsl(240, 2%, 13%);
    --bg-gradient-yellow-1: linear-gradient(
            to bottom right,
            hsl(45, 100%, 71%) 0%,
            hsla(36, 100%, 69%, 0) 50%
    );
    --bg-gradient-yellow-2: linear-gradient(
            135deg,
            hsla(45, 100%, 71%, 0.251) 0%,
            hsla(35, 100%, 68%, 0) 59.86%
    ), hsl(240, 2%, 13%);
    --border-gradient-onyx: linear-gradient(
            to bottom right,
            hsl(0, 0%, 25%) 0%,
            hsla(0, 0%, 25%, 0) 50%
    );
    --text-gradient-yellow: linear-gradient(
            to right,
            hsl(45, 100%, 72%),
            hsl(35, 100%, 68%)
    );

    /* solid */

    --jet: hsl(0, 0%, 22%);
    --onyx: hsl(240, 1%, 17%);
    --eerie-black-1: hsl(240, 2%, 13%);
    --eerie-black-2: hsl(240, 2%, 12%);
    --smoky-black: hsl(0, 0%, 7%);
    --white-1: hsl(0, 0%, 100%);
    --white-2: hsl(0, 0%, 98%);
    --orange-yellow-crayola: hsl(45, 100%, 72%);
    --vegas-gold: hsl(45, 54%, 58%);
    --light-gray: hsl(0, 0%, 84%);
    --light-gray-70: hsla(0, 0%, 84%, 0.7);
    --bittersweet-shimmer: hsl(0, 43%, 51%);
    --nav-bg: hsla(240, 1%, 17%, 0.75);

    /**
     * typography
     */

    /* font-family */
    --ff-poppins: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;

    /* font-size */
    --fs-1: 24px;
    --fs-2: 18px;
    --fs-3: 17px;
    --fs-4: 16px;
    --fs-5: 15px;
    --fs-6: 14px;
    --fs-7: 13px;
    --fs-8: 11px;

    /* font-weight */
    --fw-300: 300;
    --fw-400: 400;
    --fw-500: 500;
    --fw-600: 600;

    /**
     * shadow
     */

    --shadow-1: -4px 8px 24px hsla(0, 0%, 0%, 0.25);
    --shadow-2: 0 16px 30px hsla(0, 0%, 0%, 0.25);
    --shadow-3: 0 16px 40px hsla(0, 0%, 0%, 0.25);
    --shadow-4: 0 25px 50px hsla(0, 0%, 0%, 0.15);
    --shadow-5: 0 24px 80px hsla(0, 0%, 0%, 0.25);

    /**
     * transition
     */

    --transition-1: 0.25s ease;
    --transition-2: 0.5s ease-in-out;

}

@media (prefers-color-scheme: light) {
    :root:not([data-theme]) {
        color-scheme: light;
        --bg-gradient-onyx: linear-gradient(
                to bottom right,
                hsl(220, 20%, 98%) 3%,
                hsl(220, 18%, 92%) 97%
        );
        --bg-gradient-jet: linear-gradient(
                to bottom right,
                hsla(220, 20%, 98%, 0.85) 0%,
                hsla(220, 15%, 92%, 0.6) 100%
        ), hsl(220, 20%, 97%);
        --border-gradient-onyx: linear-gradient(
                to bottom right,
                hsl(220, 15%, 88%) 0%,
                hsla(220, 15%, 88%, 0) 50%
        );
        --jet: hsl(220, 14%, 84%);
        --onyx: hsl(220, 20%, 92%);
        --eerie-black-1: hsl(0, 0%, 100%);
        --eerie-black-2: hsl(220, 24%, 97%);
        --smoky-black: hsl(220, 30%, 94%);
        --white-1: hsl(222, 47%, 11%);
        --white-2: hsl(222, 47%, 11%);
        --light-gray: hsl(215, 25%, 27%);
        --light-gray-70: hsla(215, 25%, 27%, 0.72);
        --vegas-gold: hsl(42, 62%, 38%);
        --nav-bg: hsla(220, 24%, 97%, 0.82);
        --shadow-1: -4px 8px 24px hsla(220, 20%, 20%, 0.12);
        --shadow-2: 0 16px 30px hsla(220, 20%, 20%, 0.12);
        --shadow-3: 0 16px 40px hsla(220, 20%, 20%, 0.12);
        --shadow-4: 0 25px 50px hsla(220, 20%, 20%, 0.1);
        --shadow-5: 0 24px 80px hsla(220, 20%, 20%, 0.14);
    }
}

:root[data-theme="light"] {
    color-scheme: light;
    --bg-gradient-onyx: linear-gradient(
            to bottom right,
            hsl(220, 20%, 98%) 3%,
            hsl(220, 18%, 92%) 97%
    );
    --bg-gradient-jet: linear-gradient(
            to bottom right,
            hsla(220, 20%, 98%, 0.85) 0%,
            hsla(220, 15%, 92%, 0.6) 100%
    ), hsl(220, 20%, 97%);
    --border-gradient-onyx: linear-gradient(
            to bottom right,
            hsl(220, 15%, 88%) 0%,
            hsla(220, 15%, 88%, 0) 50%
    );
    --jet: hsl(220, 14%, 84%);
    --onyx: hsl(220, 20%, 92%);
    --eerie-black-1: hsl(0, 0%, 100%);
    --eerie-black-2: hsl(220, 24%, 97%);
    --smoky-black: hsl(220, 30%, 94%);
    --white-1: hsl(222, 47%, 11%);
    --white-2: hsl(222, 47%, 11%);
    --light-gray: hsl(215, 25%, 27%);
    --light-gray-70: hsla(215, 25%, 27%, 0.72);
    --vegas-gold: hsl(42, 62%, 38%);
    --nav-bg: hsla(220, 24%, 97%, 0.82);
    --shadow-1: -4px 8px 24px hsla(220, 20%, 20%, 0.12);
    --shadow-2: 0 16px 30px hsla(220, 20%, 20%, 0.12);
    --shadow-3: 0 16px 40px hsla(220, 20%, 20%, 0.12);
    --shadow-4: 0 25px 50px hsla(220, 20%, 20%, 0.1);
    --shadow-5: 0 24px 80px hsla(220, 20%, 20%, 0.14);
}

/*-----------------------------------*\
  #ASTRO SINGLE PAGE OVERRIDES
\*-----------------------------------*/

html {
    scroll-behavior: smooth;
    scroll-padding-top: 92px;
}

.main-content > .page-section {
    display: block;
    background: var(--eerie-black-2);
    border: 1px solid var(--jet);
    border-radius: 20px;
    padding: 15px;
    box-shadow: var(--shadow-1);
    margin-bottom: 20px;
    scroll-margin-top: 92px;
}

.main-content > .page-section:last-child {
    margin-bottom: 0;
}

.navbar-link {
    display: block;
}

.navbar-link.active {
    color: var(--orange-yellow-crayola);
}

.inherit-link {
    color: inherit;
}

.service {
    margin-top: 30px;
}

.legal-page article {
    display: block;
}

@media (min-width: 580px) {
    .main-content > .page-section {
        width: 520px;
        margin-inline: auto;
        padding: 30px;
    }
}

@media (min-width: 768px) {
    .main-content > .page-section {
        width: 700px;
    }
}

@media (min-width: 1024px) {
    html {
        scroll-padding-top: 92px;
    }

    .main-content > .page-section {
        width: 950px;
        box-shadow: var(--shadow-5);
        scroll-margin-top: 92px;
    }
}

@media (min-width: 1250px) {
    .main-content > .page-section {
        width: auto;
    }

    .main-content {
        min-width: 75%;
        width: 75%;
    }
}


/*-----------------------------------*\
  #RESET
\*-----------------------------------*/

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

a {
    text-decoration: none;
}

li {
    list-style: none;
}

img, .site-icon, a, button, time, span {
    display: block;
}

.site-icon {
    width: 1em;
    height: 1em;
    fill: currentColor;
    flex-shrink: 0;
}

.site-icon.inline-icon {
    display: inline-block;
    vertical-align: middle;
}

.site-icon.inline-icon-align {
    display: inline-block;
    vertical-align: alphabetic;
}

button {
    font: inherit;
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
}

input, textarea {
    display: block;
    width: 100%;
    background: none;
    font: inherit;
}

::selection {
    background: var(--orange-yellow-crayola);
    color: var(--smoky-black);
}

:focus {
    outline-color: var(--orange-yellow-crayola);
}

html {
    font-family: var(--ff-poppins);
}

body {
    background: var(--smoky-black);
}

.theme-toggle {
    position: fixed;
    top: 12px;
    right: 12px;
    z-index: 10;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 38px;
    height: 38px;
    color: var(--orange-yellow-crayola);
    background: var(--bg-gradient-jet);
    border: 1px solid var(--jet);
    border-radius: 12px;
    box-shadow: var(--shadow-2);
}

.theme-toggle-icon {
    width: 18px;
    height: 18px;
}

.theme-toggle .theme-toggle-icon-moon,
.theme-toggle[data-theme-state="light"] .theme-toggle-icon-sun {
    display: none;
}

.theme-toggle[data-theme-state="light"] .theme-toggle-icon-moon {
    display: block;
}


/*-----------------------------------*\
  #REUSED STYLE
\*-----------------------------------*/

.sidebar,
article {
    background: var(--eerie-black-2);
    border: 1px solid var(--jet);
    border-radius: 20px;
    padding: 15px;
    box-shadow: var(--shadow-1);
    z-index: 1;
}

.separator {
    width: 100%;
    height: 1px;
    background: var(--jet);
    margin: 16px 0;
}

.icon-box {
    position: relative;
    background: var(--border-gradient-onyx);
    width: 30px;
    height: 30px;
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 16px;
    color: var(--orange-yellow-crayola);
    box-shadow: var(--shadow-1);
    z-index: 1;
}

.service-icon-box {
    color: var(--orange-yellow-crayola);
    width: 48px;
    height: 48px;
    border-radius: 12px;
    font-size: 40px;
    margin: auto;
    margin-bottom: 0;
    margin-top: 5px;
}

.service-icon-box .site-icon {
    width: 40px;
    height: 40px;
}

.icon-box::before {
    content: "";
    position: absolute;
    inset: 1px;
    background: var(--eerie-black-1);
    border-radius: inherit;
    z-index: -1;
}

.icon-box .site-icon {
    width: 16px;
    height: 16px;
}

article {
    display: none;
}

article.active {
    display: block;
    animation: fade 0.5s ease backwards;
}

@keyframes fade {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

.h2,
.h3,
.h4,
.h5 {
    color: var(--white-2);
    text-transform: none;
}

.h2 {
    font-size: var(--fs-1);
}

.h3 {
    font-size: var(--fs-2);
}

.h4 {
    font-size: var(--fs-4);
}

.h5 {
    font-size: var(--fs-7);
    font-weight: var(--fw-500);
}

.article-title {
    position: relative;
    padding-bottom: 7px;
}

.article-title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 3px;
    background: var(--text-gradient-yellow);
    border-radius: 3px;
}

.italic {
    all: inherit;
    font-style: italic;
    display: inline;
}

.smallcaps {
    all: inherit;
    font-variant: small-caps;
    display: inline;
}

.has-scrollbar::-webkit-scrollbar {
    width: 5px; /* for vertical scrollbar */
    height: 5px; /* for horizontal scrollbar */
}

.has-scrollbar::-webkit-scrollbar-track {
    background: var(--onyx);
    border-radius: 5px;
}

.has-scrollbar::-webkit-scrollbar-thumb {
    background: var(--orange-yellow-crayola);
    border-radius: 5px;
}

.has-scrollbar::-webkit-scrollbar-button {
    width: 20px;
}

.content-card {
    position: relative;
    background: var(--border-gradient-onyx);
    padding: 15px;
    padding-top: 45px;
    border-radius: 14px;
    box-shadow: var(--shadow-2);
    cursor: pointer;
    z-index: 1;
}

.content-card::before {
    content: "";
    position: absolute;
    inset: 1px;
    background: var(--bg-gradient-jet);
    border-radius: inherit;
    z-index: -1;
}


/*-----------------------------------*\
  #MAIN
\*-----------------------------------*/

main {
    margin: 15px 12px;
    margin-bottom: 75px;
    min-width: 259px;
}


/*-----------------------------------*\
  #SIDEBAR
\*-----------------------------------*/

.sidebar {
    margin-bottom: 15px;
    max-height: 112px;
    overflow: hidden;
    transition: var(--transition-2);
}

.sidebar.active {
    max-height: 405px;
}

.sidebar-info {
    position: relative;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 15px;
}

.avatar-box {
    background: var(--bg-gradient-onyx);
    border-radius: 20px;
    overflow: hidden;
}

.avatar-box img {
    aspect-ratio: 1;
    object-fit: cover;
}

.info-content .name {
    color: var(--white-2);
    font-size: var(--fs-3);
    font-weight: var(--fw-500);
    letter-spacing: -0.25px;
    margin-bottom: 10px;
}

.info-content .chinese-name {
    color: var(--light-gray);
    font-size: var(--fs-6);
    margin: -4px 0 10px;
}

.info-content .title {
    color: var(--white-1);
    background: var(--onyx);
    font-size: var(--fs-8);
    font-weight: var(--fw-300);
    width: max-content;
    padding: 3px 12px;
    border-radius: 8px;
}

.info_more-btn {
    position: absolute;
    top: -15px;
    right: -15px;
    border-radius: 0 15px;
    font-size: 13px;
    color: var(--orange-yellow-crayola);
    background: var(--border-gradient-onyx);
    padding: 10px;
    box-shadow: var(--shadow-2);
    transition: var(--transition-1);
    z-index: 1;
}

.info_more-btn::before {
    content: "";
    position: absolute;
    inset: 1px;
    border-radius: inherit;
    background: var(--bg-gradient-jet);
    transition: var(--transition-1);
    z-index: -1;
}

.info_more-btn:hover,
.info_more-btn:focus {
    background: var(--bg-gradient-yellow-1);
}

.info_more-btn:hover::before,
.info_more-btn:focus::before {
    background: var(--bg-gradient-yellow-2);
}

.info_more-btn span {
    display: none;
}

.sidebar-info_more {
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-2);
}

.sidebar.active .sidebar-info_more {
    opacity: 1;
    visibility: visible;
}

.contacts-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

.contact-item {
    min-width: 100%;
    display: flex;
    align-items: center;
    gap: 16px;
}

.contact-info {
    max-width: calc(100% - 46px);
    width: calc(100% - 46px);
}

.contact-title {
    color: var(--light-gray-70);
    font-size: var(--fs-8);
    text-transform: uppercase;
    margin-bottom: 2px;
}

.contact-info :is(.contact-link, time, address) {
    color: var(--white-2);
    font-size: var(--fs-7);
}

.contact-info address {
    font-style: normal;
}

.social-list {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 15px;
    padding-bottom: 4px;
    padding-left: 7px;
}

.social-item .social-link {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 30px;
    height: 30px;
    color: var(--light-gray-70);
    font-size: 18px;
}

.social-item .social-link-github {
    width: 34px;
    height: 34px;
    color: var(--white-2);
    background: var(--onyx);
    border: 1px solid var(--jet);
    border-radius: 50%;
}

.social-item .site-icon,
.social-item .brand-icon {
    width: 20px;
    height: 20px;
}

.social-item .social-link-github .site-icon {
    width: 24px;
    height: 24px;
}

.social-item .brand-icon {
    opacity: 0.82;
}


.social-item .social-link:hover {
    color: var(--light-gray);
}

.social-item .social-link:hover .brand-icon {
    opacity: 1;
}

.contact-window-link {
    color: var(--white-2);
    font-size: var(--fs-7);
    display: inline;
}

/*-----------------------------------*\
  #NAVBAR
\*-----------------------------------*/

.navbar {
    position: fixed;
    top: auto;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--nav-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--jet);
    border-radius: 12px 12px 0 0;
    box-shadow: var(--shadow-2);
    z-index: 5;
}

.navbar-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    padding: 0 58px 0 10px;
}

.navbar-link {
    color: var(--light-gray);
    font-size: var(--fs-8);
    padding: 20px 7px;
    transition: color var(--transition-1);
}

.navbar-link:hover,
.navbar-link:focus {
    color: var(--light-gray-70);
}

.navbar-link.active {
    color: var(--orange-yellow-crayola);
}


/*-----------------------------------*\
  #ABOUT
\*-----------------------------------*/

.about .article-title {
    margin-bottom: 15px;
}

.about-text {
    color: var(--light-gray);
    font-size: var(--fs-6);
    font-weight: var(--fw-300);
    line-height: 1.6;
}

.about-text p {
    margin-bottom: 15px;
}

.cv-entry {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin: 28px 0 22px;
    padding: 24px;
    background: var(--border-gradient-onyx);
    border-radius: 14px;
    box-shadow: var(--shadow-2);
    z-index: 1;
}

.cv-entry::before {
    content: "";
    position: absolute;
    inset: 1px;
    background: var(--bg-gradient-jet);
    border-radius: inherit;
    z-index: -1;
}

.cv-entry-copy {
    flex: 1 1 260px;
}

.cv-entry-title {
    margin-bottom: 8px;
}

.cv-entry-description,
.cv-entry-updated {
    color: var(--light-gray);
    font-size: var(--fs-6);
    font-weight: var(--fw-300);
    line-height: 1.6;
}

.cv-entry-updated {
    margin-top: 8px;
}

.cv-entry-updated time {
    display: inline;
}

.cv-download-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: max-content;
    padding: 12px 18px;
    border-radius: 10px;
    background: var(--orange-yellow-crayola);
    color: var(--eerie-black-1);
    font-weight: var(--fw-500);
    transition: var(--transition-1);
}

.cv-download-link:hover,
.cv-download-link:focus-visible {
    opacity: 0.85;
}

.academic-profiles {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 10px 16px;
    margin-bottom: 30px;
    color: var(--light-gray);
}

.academic-profiles-label {
    color: var(--white-2);
    font-weight: var(--fw-500);
}

.academic-profile-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 18px;
}

.academic-profile-list a {
    display: inline;
    color: var(--orange-yellow-crayola);
    text-underline-offset: 3px;
}

.academic-profile-list a:hover,
.academic-profile-list a:focus-visible {
    text-decoration: underline;
}


/**
 * #service 
 */

.service {
    margin-bottom: 35px;
}

.service-title {
    margin-bottom: 20px;
}

.service-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.service-item {
    position: relative;
    background: var(--border-gradient-onyx);
    padding: 20px;
    border-radius: 14px;
    box-shadow: var(--shadow-2);
    z-index: 1;
}

.service-item::before {
    content: "";
    position: absolute;
    inset: 1px;
    background: var(--bg-gradient-jet);
    border-radius: inherit;
    z-index: -1;
}

.service-content-box {
    text-align: center;
}

.service-item-title {
    margin-bottom: 7px;
}

.service-item-text {
    color: var(--light-gray);
    font-size: var(--fs-6);
    font-weight: var(--fw-3);
    line-height: 1.6;
}


/**
 * #testimonials 
 */

.testimonials {
    margin-bottom: 30px;
}

.testimonials-title {
    margin-bottom: 20px;
}

.testimonials-list {
    display: flex;
    justify-content: flex-start;
    align-items: flex-start;
    gap: 15px;
    margin: 0 -15px;
    padding: 25px 15px;
    padding-bottom: 35px;
    overflow-x: auto;
    scroll-behavior: smooth;
    overscroll-behavior-inline: contain;
    scroll-snap-type: inline mandatory;
}

.testimonials-item {
    min-width: 100%;
    scroll-snap-align: center;
}

.testimonials-avatar-box {
    position: absolute;
    top: 0;
    left: 0;
    transform: translate(15px, -25px);
    background: var(--bg-gradient-onyx);
    border-radius: 14px;
    box-shadow: var(--shadow-1);
}

.testimonials-item-title {
    margin-bottom: 7px;
}

.testimonials-text {
    color: var(--light-gray);
    font-size: var(--fs-6);
    font-weight: var(--fw-300);
    line-height: 1.6;
    display: -webkit-box;
    line-clamp: 4;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}


/**
 * #testimonials-modal
 */

.modal-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow-y: auto;
    overscroll-behavior: contain;
    z-index: 20;
    pointer-events: none;
    visibility: hidden;
}

.modal-container::-webkit-scrollbar {
    display: none;
}

.modal-container.active {
    pointer-events: all;
    visibility: visible;
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: hsl(0, 0%, 5%);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    z-index: 1;
    transition: var(--transition-1);
}

.overlay.active {
    opacity: 0.8;
    visibility: visible;
    pointer-events: all;
}

.testimonials-modal {
    background: var(--eerie-black-2);
    position: relative;
    padding: 15px;
    margin: 15px 12px;
    border: 1px solid var(--jet);
    border-radius: 14px;
    box-shadow: var(--shadow-5);
    transform: scale(1.2);
    opacity: 0;
    transition: var(--transition-1);
    z-index: 2;
}

.modal-container.active .testimonials-modal {
    transform: scale(1);
    opacity: 1;
}

.modal-close-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--onyx);
    border-radius: 8px;
    width: 32px;
    height: 32px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--white-2);
    font-size: 18px;
    opacity: 0.7;
}

.modal-close-btn:hover,
.modal-close-btn:focus {
    opacity: 1;
}

.modal-avatar-box {
    background: var(--bg-gradient-onyx);
    width: max-content;
    border-radius: 14px;
    margin-bottom: 15px;
    box-shadow: var(--shadow-2);
}

.modal-img-wrapper > img {
    display: none;
}

.modal-title {
    margin-bottom: 4px;
}

.modal-content time {
    font-size: var(--fs-6);
    color: var(--light-gray-70);
    font-weight: var(--fw-300);
    margin-bottom: 10px;
}

.modal-content p {
    color: var(--light-gray);
    font-size: var(--fs-6);
    font-weight: var(--fw-300);
    line-height: 1.6;
}


/**
 * #clients 
 */

.clients {
    margin-bottom: 15px;
}

.clients-list {
    display: flex;
    justify-content: flex-start;
    align-items: flex-start;
    gap: 15px;
    margin: 0 -15px;
    padding: 25px;
    padding-bottom: 25px;
    overflow-x: auto;
    scroll-behavior: smooth;
    overscroll-behavior-inline: contain;
    scroll-snap-type: inline mandatory;
    scroll-padding-inline: 25px;
}

.clients-item {
    min-width: 50%;
    scroll-snap-align: start;
}

.clients-item img {
    width: 100%;
    filter: grayscale(1);
    transition: var(--transition-1);
}

.clients-item img:hover {
    filter: grayscale(0);
}


/*-----------------------------------*\
  #RESUME
\*-----------------------------------*/

.article-title {
    margin-bottom: 30px;
}



/*-----------------------------------*\
  #BLOG
\*-----------------------------------*/

.blog-posts {
    margin-bottom: 10px;
}

.blog-posts-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.blog-post-item > a {
    position: relative;
    background: var(--border-gradient-onyx);
    height: 100%;
    box-shadow: var(--shadow-4);
    border-radius: 16px;
    z-index: 1;
}

.blog-post-item > a::before {
    content: "";
    position: absolute;
    inset: 1px;
    border-radius: inherit;
    background: var(--eerie-black-1);
    z-index: -1;
}

.blog-banner-box {
    width: 100%;
    height: 200px;
    border-radius: 12px;
    overflow: hidden;
}

.blog-banner-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-1);
}

.blog-post-item > a:hover .blog-banner-box img {
    transform: scale(1.1);
}

.blog-content {
    padding: 15px;
}

.blog-meta {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 7px;
    margin-bottom: 10px;
}

.blog-meta :is(.blog-category, time) {
    color: var(--light-gray-70);
    font-size: var(--fs-6);
    font-weight: var(--fw-300);
}

.blog-meta .dot {
    background: var(--light-gray-70);
    width: 4px;
    height: 4px;
    border-radius: 4px;
}

.blog-item-title {
    margin-bottom: 10px;
    line-height: 1.3;
    transition: var(--transition-1);
}

.blog-post-item > a:hover .blog-item-title {
    color: var(--orange-yellow-crayola);
}

.blog-text {
    color: var(--light-gray);
    font-size: var(--fs-6);
    font-weight: var(--fw-300);
    line-height: 1.6;
}


/*-----------------------------------*\
  #CONTACT
\*-----------------------------------*/

.location-box {
    margin-top: 20px;
}

.location-card {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    border: 1px solid var(--jet);
    border-radius: 16px;
    padding: 18px;
    background: var(--bg-gradient-jet);
    color: var(--light-gray);
    font-size: var(--fs-6);
    line-height: 1.6;
}

.location-card .site-icon {
    width: 30px;
    height: 30px;
    color: var(--orange-yellow-crayola);
}

.location-card a {
    display: inline-block;
    margin-top: 6px;
    color: var(--vegas-gold);
}

.location-card address {
    color: var(--light-gray-70);
    font-style: normal;
}

.legal-links {
    display: flex;
    gap: 16px;
    margin-top: 22px;
    font-size: var(--fs-7);
}

.legal-links a,
.legal-back-link {
    color: var(--vegas-gold);
}

.legal-page main {
    max-width: 820px;
    margin-inline: auto;
}

.legal-article {
    display: block;
}

.legal-text {
    margin-top: 18px;
}

.legal-text a {
    display: inline;
}

.legal-back-link {
    display: inline-block;
    margin-top: 20px;
    font-size: var(--fs-6);
}

.contact-form {
    margin-bottom: 10px;
}

.form-title {
    margin-bottom: 20px;
}

.input-wrapper {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
    margin-bottom: 25px;
}

.form-input {
    color: var(--white-2);
    font-size: var(--fs-6);
    font-weight: var(--fw-400);
    padding: 13px 20px;
    border: 1px solid var(--jet);
    border-radius: 14px;
    outline: none;
}

.form-input::placeholder {
    font-weight: var(--fw-500);
}

.form-input:focus {
    border-color: var(--orange-yellow-crayola);
}

textarea.form-input {
    min-height: 100px;
    height: 120px;
    max-height: 200px;
    resize: vertical;
    margin-bottom: 25px;
}

textarea.form-input::-webkit-resizer {
    display: none;
}

.form-input:focus:invalid {
    border-color: var(--bittersweet-shimmer);
}

.form-btn {
    position: relative;
    width: 100%;
    background: var(--border-gradient-onyx);
    color: var(--orange-yellow-crayola);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    padding: 13px 20px;
    border-radius: 14px;
    font-size: var(--fs-6);
    text-transform: capitalize;
    box-shadow: var(--shadow-3);
    z-index: 1;
    transition: var(--transition-1);
}

.form-btn::before {
    content: "";
    position: absolute;
    inset: 1px;
    background: var(--bg-gradient-jet);
    border-radius: inherit;
    z-index: -1;
    transition: var(--transition-1);
}

.form-btn .site-icon {
    font-size: 16px;
}

.form-btn:hover {
    background: var(--bg-gradient-yellow-1);
}

.form-btn:hover::before {
    background: var(--bg-gradient-yellow-2);
}

.form-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.form-btn:disabled:hover {
    background: var(--border-gradient-onyx);
}

.form-btn:disabled:hover::before {
    background: var(--bg-gradient-jet);
}


/*-----------------------------------*\
  #RESPONSIVE
\*-----------------------------------*/

/**
 * responsive larger than 450px screen
 */

@media (min-width: 450px) {

    /**
     * client
     */
    .clients-item {
        min-width: calc(33.33% - 10px);
    }


    /**
     * BLOG
     */
    .blog-banner-box {
        height: auto;
    }
}


/**
 * responsive larger than 580px screen
 */

@media (min-width: 580px) {

    /**
     * CUSTOM PROPERTY
     */
    :root {

        /**
         * typography
         */

        --fs-1: 32px;
        --fs-2: 24px;
        --fs-3: 26px;
        --fs-4: 18px;
        --fs-6: 15px;
        --fs-7: 15px;
        --fs-8: 12px;

    }


    /**
     * #REUSED STYLE
     */
    .sidebar, article {
        width: 520px;
        margin-inline: auto;
        padding: 30px;
    }

    .article-title {
        font-weight: var(--fw-600);
        padding-bottom: 15px;
    }

    .article-title::after {
        width: 40px;
        height: 5px;
    }

    .icon-box {
        width: 48px;
        height: 48px;
        border-radius: 12px;
        font-size: 18px;
    }

    /**
     * #MAIN
     */
    main {
        margin-top: 60px;
        margin-bottom: 100px;
    }


    /**
     * #SIDEBAR
     */
    .sidebar {
        max-height: 180px;
        margin-bottom: 30px;
    }

    .sidebar.active {
        max-height: fit-content;
    }

    .sidebar-info {
        gap: 25px;
    }

    .avatar-box {
        border-radius: 30px;
    }

    .avatar-box img {
        width: 120px;
    }

    .info-content .name {
        margin-bottom: 15px;
    }

    .info-content .title {
        padding: 5px 18px;
    }

    .info_more-btn {
        top: -30px;
        right: -30px;
        padding: 10px 15px;
    }
    
    .separator {
        margin: 32px 0;
    }

    .contacts-list {
        gap: 20px;
    }

    .contact-info {
        max-width: calc(100% - 64px);
        width: calc(100% - 64px);
    }


    /**
     * #NAVBAR
     */
    .navbar {
        border-radius: 20px 20px 0 0;
    }

    .navbar-list {
        gap: 20px;
        padding-inline: 20px 64px;
    }

    .navbar-link {
        --fs-8: 14px;
    }


    /**
     * #ABOUT
     */
    .about .article-title {
        margin-bottom: 20px;
    }

    .about-text {
        margin-bottom: 40px;
    }

    /* service */
    .service-item {
        display: flex;
        justify-content: flex-start;
        align-items: flex-start;
        gap: 18px;
        padding: 30px;
    }

    .service-content-box {
        text-align: left;
    }

    /* testimonials */
    .testimonials-title {
        margin-bottom: 25px;
    }

    .testimonials-list {
        gap: 30px;
        margin: 0 -30px;
        padding: 30px;
        padding-bottom: 35px;
    }

    .content-card {
        padding: 30px;
        padding-top: 25px;
    }

    .testimonials-avatar-box {
        transform: translate(30px, -30px);
        border-radius: 20px;
    }

    .testimonials-avatar-box img {
        width: 80px;
    }

    .testimonials-item-title {
        margin-bottom: 10px;
        margin-left: 95px;
    }

    .testimonials-text {
        line-clamp: 2;
        -webkit-line-clamp: 2;
    }

    /* testimonials modal */
    .modal-container {
        padding: 20px;
    }

    .testimonials-modal {
        display: flex;
        justify-content: flex-start;
        align-items: stretch;
        gap: 25px;
        padding: 30px;
        border-radius: 20px;
    }

    .modal-img-wrapper {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .modal-avatar-box {
        border-radius: 18px;
        margin-bottom: 0;
    }

    .modal-avatar-box img {
        width: 65px;
    }

    .modal-img-wrapper > img {
        display: block;
        flex-grow: 1;
        width: 35px;
    }

    /* clients */
    .clients-list {
        gap: 50px;
        margin: 0 -30px;
        padding: 45px;
        scroll-padding-inline: 45px;
    }

    .clients-item {
        min-width: calc(33.33% - 35px);
    }


    /**
     * BLOG
     */
    .blog-banner-box {
        border-radius: 16px;
    }

    .blog-posts-list {
        gap: 30px;
    }

    .blog-content {
        padding: 25px;
    }


    .input-wrapper {
        gap: 30px;
        margin-bottom: 30px;
    }

    .form-input {
        padding: 15px 20px;
    }

    textarea.form-input {
        margin-bottom: 30px;
    }

    .form-btn {
        --fs-6: 16px;
        padding: 16px 20px;
    }

    .form-btn .site-icon {
        font-size: 18px;
    }

}


/**
 * responsive larger than 768px screen
 */

@media (min-width: 768px) {

    /**
     * REUSED STYLE
     */
    .sidebar, article {
        width: 700px;
    }

    .has-scrollbar::-webkit-scrollbar-button {
        width: 100px;
    }


    /**
     * SIDEBAR
     */
    .contacts-list {
        grid-template-columns: 1fr 1fr;
        gap: 30px 15px;
    }


    /**
     * NAVBAR
     */
    .navbar-link {
        --fs-8: 15px;
    }


    /**
     * ABOUT
     */
    /* testimonials modal */
    .testimonials-modal {
        gap: 35px;
        max-width: 680px;
    }

    .modal-avatar-box img {
        width: 80px;
    }


    /**
     * SECTION HEADERS
     */
    .article-title {
        padding-bottom: 20px;
    }

    /* blog grid */
    .blog-posts-list {
        grid-template-columns: 1fr 1fr;
    }


    /**
     * CONTACT
     */
    .input-wrapper {
        grid-template-columns: 1fr 1fr;
    }

    .form-btn {
        width: max-content;
        margin-left: auto;
    }

}


/**
 * responsive larger than 1024px screen
 */

@media (min-width: 1024px) {

    /**
     * CUSTOM PROPERTY
     */
    :root {

        /**
        * shadow
        */

        --shadow-1: -4px 8px 24px hsla(0, 0%, 0%, 0.125);
        --shadow-2: 0 16px 30px hsla(0, 0%, 0%, 0.125);
        --shadow-3: 0 16px 40px hsla(0, 0%, 0%, 0.125);

    }


    /**
     * REUSED STYLE
     */
    .sidebar, article {
        width: 950px;
        box-shadow: var(--shadow-5);
    }


    /**
     * MAIN
     */
    main {
        margin-bottom: 60px;
    }

    .main-content {
        position: relative;
        width: max-content;
        margin: auto;
    }


    /**
     * NAVBAR
     */
    .navbar {
        position: sticky;
        top: 0;
        bottom: auto;
        left: auto;
        right: 0;
        width: max-content;
        margin-left: auto;
        margin-right: 0;
        margin-bottom: -60px;
        border-radius: 0 20px;
        padding: 0 20px;
        box-shadow: var(--shadow-2);
    }

    .navbar-list {
        gap: 30px;
        padding: 0 20px;
    }

    .navbar-link {
        font-weight: var(--fw-500);
    }


    /**
     * ABOUT
     */
    /* service */
    .service-list {
        grid-template-columns: 1fr 1fr;
        gap: 20px 25px;
    }

    /* testimonials */
    .testimonials-item {
        min-width: calc(50% - 15px);
    }

    /* clients */
    .clients-item {
        min-width: calc(25% - 38px);
    }


    /**
     * BLOG
     */
    .blog-banner-box {
        height: 230px;
    }

}


/**
 * responsive larger than 1250px screen
 */

@media (min-width: 1250px) {

    /**
     * RESET
     */
    body::-webkit-scrollbar {
        width: 20px;
    }

    body::-webkit-scrollbar-track {
        background: var(--smoky-black);
    }

    body::-webkit-scrollbar-thumb {
        border: 5px solid var(--smoky-black);
        background: hsla(0, 0%, 100%, 0.1);
        border-radius: 20px;
        box-shadow: inset 1px 1px 0 hsla(0, 0%, 100%, 0.11),
        inset -1px -1px 0 hsla(0, 0%, 100%, 0.11);
    }

    body::-webkit-scrollbar-thumb:hover {
        background: hsla(0, 0%, 100%, 0.15);
    }

    body::-webkit-scrollbar-button {
        height: 60px;
    }


    /**
     * REUSED STYLE
     */
    .sidebar, article {
        width: auto;
    }

    article {
        min-height: 100%;
    }


    /**
     * MAIN
     */
    main {
        max-width: 1200px;
        margin-inline: auto;
        display: flex;
        justify-content: center;
        align-items: stretch;
        gap: 25px;
    }

    .main-content {
        min-width: 75%;
        width: 75%;
        margin: 0;
    }


    /**
     * SIDEBAR
     */
    .sidebar {
        position: sticky;
        top: 60px;
        max-height: fit-content;
        height: 100%;
        margin-bottom: 0;
        padding-top: 60px;
        z-index: 1;
    }

    .sidebar-info {
        flex-direction: column;
    }

    .avatar-box img {
        width: 150px;
    }

    .info-content .name {
        white-space: nowrap;
        text-align: center;
    }

    .info-content .chinese-name {
        text-align: center;
    }

    .info-content .title {
        margin: auto;
    }

    .info_more-btn {
        display: none;
    }

    .sidebar-info_more {
        opacity: 1;
        visibility: visible;
    }

    .contacts-list {
        grid-template-columns: 1fr;
    }

    .contact-info :is(.contact-link) {
        white-space: normal;
        overflow: visible;
        text-overflow: ellipsis;
    }

    .contact-info :is(.contact-link, time, address) {
        --fs-7: 14px;
        font-weight: var(--fw-300);
    }

    .separator:last-of-type {
        margin: 15px 0;
        opacity: 0;
    }

    .social-list {
        justify-content: center;
    }


}