/*
 * Portfolio stylesheet
 *
 * Sections are kept in cascade order:
 * 1. design tokens, document defaults, and loading states
 * 2. framework/vendor compatibility rules
 * 3. shared portfolio and project-page components
 * 4. current portfolio typography, layout, and responsive overrides
 */

:root {
  --default-font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --heading-font: "Satoshi", "Raleway", sans-serif;
  --nav-font: "Poppins", sans-serif;

  /* Core Colors */
  --background-color: #F8F9FA;      /* 거의 흰색에 가까운 부드러운 배경색 */
  --surface-color: #FFFFFF;         /* 카드, 섹션 등 콘텐츠 영역의 순백색 */
  --accent-color: #007BFF;          /* 선명하고 신뢰감 있는 파란색 포인트 */
  
  --heading-color: #212529;         /* 제목에 사용할 짙은 회색 (가독성 확보) */
  --default-color: #495057;         /* 본문에 사용할 부드러운 회색 */
  --contrast-color: #FFFFFF;        /* 포인트 색상 위의 텍스트 (주로 흰색) */
  
  --border-color: #DEE2E6;          /* 은은한 테두리 및 구분선 색상 */

  --nav-color: #495057;             /* 기본 네비게이션 텍스트 색상 */
  --nav-hover-color: #007BFF;       /* 호버 시 포인트 색상으로 변경 */
  --nav-mobile-background-color: #FFFFFF;
  --nav-dropdown-background-color: #FFFFFF;
  --nav-dropdown-color: #495057;
  --nav-dropdown-hover-color: #007BFF;

  --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* light-background는 이제 기본값과 거의 유사해집니다. */
.light-background {
  --background-color: #F8F9FA;
  --surface-color: #FFFFFF;
}

.dark-background {
  --background-color: #040b14;
  --default-color: #ffffff;
  --heading-color: #ffffff;
  --surface-color: #151f2b;
  --contrast-color: #ffffff;
}
:root {
scroll-behavior: smooth;
}

:root.section-transitioning {
  scroll-behavior: auto;
}

#preloader {
  position: fixed;
  inset: 0;
  z-index: 100000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.1rem;
  color: rgba(255, 255, 255, 0.72);
  background:
    radial-gradient(circle at center, rgba(37, 37, 40, 0.94), rgba(20, 20, 22, 0.98) 48%, #0e0e0f 78%);
  opacity: 1;
  visibility: visible;
  transition: opacity 0.42s ease, visibility 0.42s ease;
}

#preloader.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader-orbit {
  position: relative;
  width: 3.25rem;
  height: 3.25rem;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-top-color: #06b6d4;
  border-radius: 50%;
  animation: preloader-orbit 1.05s linear infinite;
}

.preloader-orbit::before,
.preloader-orbit::after {
  content: '';
  position: absolute;
  border-radius: 50%;
}

.preloader-orbit::before {
  inset: 0.55rem;
  border: 1px solid rgba(6, 182, 212, 0.24);
  border-right-color: rgba(255, 255, 255, 0.72);
  animation: preloader-orbit 0.72s linear infinite reverse;
}

.preloader-orbit::after {
  top: -0.12rem;
  left: 50%;
  width: 0.3rem;
  height: 0.3rem;
  background: #06b6d4;
  box-shadow: 0 0 0.85rem rgba(6, 182, 212, 0.62);
  transform: translateX(-50%);
}

.preloader-orbit > span {
  position: absolute;
  inset: 50% auto auto 50%;
  width: 0.34rem;
  height: 0.34rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.84);
  transform: translate(-50%, -50%);
}

.preloader-label {
  font-family: var(--nav-font);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

@keyframes preloader-orbit {
  to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  #preloader { transition-duration: 0.01ms; }
  .preloader-orbit,
  .preloader-orbit::before { animation: none; }
}
/* *::before,
*::after {
  box-sizing: border-box;
} */
body { margin: 0px; font-family: var(--bs-body-font-family); font-size: var(--bs-body-font-size); font-weight: var(--bs-body-font-weight); line-height: var(--bs-body-line-height); color: var(--bs-body-color); text-align: var(--bs-body-text-align); background-color: var(--bs-body-bg); text-size-adjust: 100%; -webkit-tap-highlight-color: transparent; }
hr { margin: 1rem 0px; color: inherit; border-right: 0px; border-bottom: 0px; border-left: 0px; border-image: initial; border-top: var(--bs-border-width) solid; opacity: 0.25; }
.h1, .h2, .h3, .h4, .h5, .h6, h1, h2, h3, h4, h5, h6 { margin-top: 0px; margin-bottom: 0.5rem; font-weight: 500; line-height: 1.2; color: var(--bs-heading-color); }
.h1, h1 { font-size: calc(1.375rem + 1.5vw); }
@media (min-width: 1200px) {
.h1, h1 { font-size: 2.5rem; }
}
.h2, h2 { font-size: calc(1.325rem + 0.9vw); }
@media (min-width: 1200px) {
.h2, h2 { font-size: 2rem; }
}
.h3, h3 { font-size: calc(1.3rem + 0.6vw); }
@media (min-width: 1200px) {
.h3, h3 { font-size: 1.75rem; }
}
.h4, h4 { font-size: calc(1.275rem + 0.3vw); }
@media (min-width: 1200px) {
.h4, h4 { font-size: 1.5rem; }
}
.h5, h5 { font-size: 1.25rem; }
.h6, h6 { font-size: 1rem; }
p { margin-top: 0px; margin-bottom: 1rem; }
ol, ul { padding-left: 2rem; }
dl, ol, ul { margin-top: 0px; margin-bottom: 1rem; }
ol ol, ol ul, ul ol, ul ul { margin-bottom: 0px; }
b, strong { font-weight: bolder; }
a { color: rgba(var(--bs-link-color-rgb),var(--bs-link-opacity,1)); text-decoration: underline; }
a:hover { --bs-link-color-rgb: var(--bs-link-hover-color-rgb); }
img, svg { vertical-align: middle; }
button { border-radius: 0px; }
button, input, optgroup, select, textarea { margin: 0px; font-family: inherit; font-size: inherit; line-height: inherit; }
button, select { text-transform: none; }
[role="button"] { cursor: pointer; }
[type="button"], [type="reset"], [type="submit"], button { appearance: button; }
[type="button"]:not(:disabled), [type="reset"]:not(:disabled), [type="submit"]:not(:disabled), button:not(:disabled) { cursor: pointer; }
.lead { font-size: 1.25rem; font-weight: 300; }
.img-fluid { max-width: 100%; height: auto; }
.container, .container-fluid, .container-lg, .container-md, .container-sm, .container-xl, .container-xxl { --bs-gutter-x: 1.5rem; --bs-gutter-y: 0; width: 100%; padding-right: calc(var(--bs-gutter-x) * .5); padding-left: calc(var(--bs-gutter-x) * .5); margin-right: auto; margin-left: auto; }
@media (min-width: 576px) {
.container, .container-sm { max-width: 540px; }
}
@media (min-width: 768px) {
.container, .container-md, .container-sm { max-width: 720px; }
}
@media (min-width: 992px) {
.container, .container-lg, .container-md, .container-sm { max-width: 960px; }
}
@media (min-width: 1200px) {
.container, .container-lg, .container-md, .container-sm, .container-xl { max-width: 1140px; }
}
@media (min-width: 1400px) {
.container, .container-lg, .container-md, .container-sm, .container-xl, .container-xxl { max-width: 1320px; }
}
:root { --bs-breakpoint-xs: 0; --bs-breakpoint-sm: 576px; --bs-breakpoint-md: 768px; --bs-breakpoint-lg: 992px; --bs-breakpoint-xl: 1200px; --bs-breakpoint-xxl: 1400px; }
.row { --bs-gutter-x: 1.5rem; --bs-gutter-y: 0; display: flex; flex-wrap: wrap; margin-top: calc(-1 * var(--bs-gutter-y)); margin-right: calc(-.5 * var(--bs-gutter-x)); margin-left: calc(-.5 * var(--bs-gutter-x)); }
.row > * { flex-shrink: 0; width: 100%; max-width: 100%; padding-right: calc(var(--bs-gutter-x) * .5); padding-left: calc(var(--bs-gutter-x) * .5); margin-top: var(--bs-gutter-y); }
.col-10 { flex: 0 0 auto; width: 83.3333%; }
.col-12 { flex: 0 0 auto; width: 100%; }
.g-4, .gy-4 { --bs-gutter-y: 1.5rem; }
@media (min-width: 576px) {
.col-sm-6 { flex: 0 0 auto; width: 50%; }
}
@media (min-width: 992px) {
.col-lg-4 { flex: 0 0 auto; width: 33.3333%; }
.col-lg-6 { flex: 0 0 auto; width: 50%; }
.col-lg-8 { flex: 0 0 auto; width: 66.6667%; }
}
.btn { --bs-btn-padding-x: 0.75rem; --bs-btn-padding-y: 0.375rem; --bs-btn-font-family: ; --bs-btn-font-size: 1rem; --bs-btn-font-weight: 400; --bs-btn-line-height: 1.5; --bs-btn-color: var(--bs-body-color); --bs-btn-bg: transparent; --bs-btn-border-width: var(--bs-border-width); --bs-btn-border-color: transparent; --bs-btn-border-radius: var(--bs-border-radius); --bs-btn-hover-border-color: transparent; --bs-btn-box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15),0 1px 1px rgba(0, 0, 0, 0.075); --bs-btn-disabled-opacity: 0.65; --bs-btn-focus-box-shadow: 0 0 0 0.25rem rgba(var(--bs-btn-focus-shadow-rgb), .5); display: inline-block; padding: var(--bs-btn-padding-y) var(--bs-btn-padding-x); font-family: var(--bs-btn-font-family); font-size: var(--bs-btn-font-size); font-weight: var(--bs-btn-font-weight); line-height: var(--bs-btn-line-height); color: var(--bs-btn-color); text-align: center; text-decoration: none; vertical-align: middle; cursor: pointer; user-select: none; border: var(--bs-btn-border-width) solid var(--bs-btn-border-color); border-radius: var(--bs-btn-border-radius); background-color: var(--bs-btn-bg); transition: color 0.2s ease, background-color 0.2s ease-in-out, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease; }
.btn:hover{transform: translateY(-1px) 0.3s ease; box-shadow: 0 4px 8px rgba(0,0,0,0.15);}
@media (prefers-reduced-motion: reduce) {
.btn { transition: none; }
}
.btn-dark { --bs-btn-color: #fff; --bs-btn-bg: #212529; --bs-btn-border-color: #212529; --bs-btn-hover-color: #fff; --bs-btn-hover-bg: #424649; --bs-btn-hover-border-color: #373b3e; --bs-btn-focus-shadow-rgb: 66,70,73; --bs-btn-active-color: #fff; --bs-btn-active-bg: #4d5154; --bs-btn-active-border-color: #373b3e; --bs-btn-active-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125); --bs-btn-disabled-color: #fff; --bs-btn-disabled-bg: #212529; --bs-btn-disabled-border-color: #212529; }
.btn-outline-dark { --bs-btn-color: #212529; --bs-btn-border-color: #212529; --bs-btn-hover-color: #fff; --bs-btn-hover-bg: #212529; --bs-btn-hover-border-color: #212529; --bs-btn-focus-shadow-rgb: 33,37,41; --bs-btn-active-color: #fff; --bs-btn-active-bg: #212529; --bs-btn-active-border-color: #212529; --bs-btn-active-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125); --bs-btn-disabled-color: #212529; --bs-btn-disabled-bg: transparent; --bs-btn-disabled-border-color: #212529; --bs-gradient: none; }
.btn-group-sm > .btn, .btn-sm { --bs-btn-padding-y: 0.25rem; --bs-btn-padding-x: 0.5rem; --bs-btn-font-size: 0.875rem; --bs-btn-border-radius: var(--bs-border-radius-sm); }
.badge { --bs-badge-padding-x: 0.65em; --bs-badge-padding-y: 0.35em; --bs-badge-font-size: 0.75em; --bs-badge-font-weight: 700; --bs-badge-color: #fff; --bs-badge-border-radius: var(--bs-border-radius); display: inline-block; padding: var(--bs-badge-padding-y) var(--bs-badge-padding-x); font-size: var(--bs-badge-font-size); font-weight: var(--bs-badge-font-weight); line-height: 1; color: var(--bs-badge-color); text-align: center; white-space: nowrap; vertical-align: baseline; border-radius: var(--bs-badge-border-radius); }
.text-bg-primary { color: rgb(255, 255, 255) !important; background-color: RGBA(var(--bs-primary-rgb),var(--bs-bg-opacity,1)) !important; }
.text-bg-secondary { color: rgb(255, 255, 255) !important; background-color: RGBA(var(--bs-secondary-rgb),var(--bs-bg-opacity,1)) !important; }
.text-bg-success { color: rgb(255, 255, 255) !important; background-color: RGBA(var(--bs-success-rgb),var(--bs-bg-opacity,1)) !important; }
.d-inline-block { display: inline-block !important; }
.d-flex { display: flex !important; }
.position-relative { position: relative !important; }
.flex-column { flex-direction: column !important; }
.justify-content-center { justify-content: center !important; }
.justify-content-between { justify-content: space-between !important; }
.align-items-center { align-items: center !important; }
.me-2 { margin-right: 0.5rem !important; }
.mb-0 { margin-bottom: 0px !important; }
.mb-1 { margin-bottom: 0.25rem !important; }
.mb-4 { margin-bottom: 1.5rem !important; }
.px-1 { padding-right: 0.25rem !important; padding-left: 0.25rem !important; }
.px-3 { padding-right: 1rem !important; padding-left: 1rem !important; }
.py-2 { padding-top: 0.5rem !important; padding-bottom: 0.5rem !important; }
.py-3 { padding-top: 1rem !important; padding-bottom: 1rem !important; }
.pb-0 { padding-bottom: 0px !important; }
.fst-italic { font-style: italic !important; }
.text-center { text-align: center !important; }
.text-white-50 { --bs-text-opacity: 1; color: rgba(255, 255, 255, 0.5) !important; }
.rounded-circle { border-radius: 50% !important; }
@media (min-width: 1200px) {
.d-xl-none { display: none !important; }
}
[data-aos][data-aos][data-aos-delay="100"], body[data-aos-delay="100"] [data-aos] { transition-delay: 0s; }
[data-aos][data-aos][data-aos-delay="100"].aos-animate, body[data-aos-delay="100"] [data-aos].aos-animate { transition-delay: 0.1s; }
[data-aos][data-aos][data-aos-delay="200"], body[data-aos-delay="200"] [data-aos] { transition-delay: 0s; }
[data-aos][data-aos][data-aos-delay="200"].aos-animate, body[data-aos-delay="200"] [data-aos].aos-animate { transition-delay: 0.2s; }
[data-aos][data-aos][data-aos-duration="600"], body[data-aos-duration="600"] [data-aos] { transition-duration: 0.6s; }
[data-aos] { pointer-events: none; }
[data-aos].aos-animate { pointer-events: auto; }
[data-aos][data-aos][data-aos-easing="ease-in-out"], body[data-aos-easing="ease-in-out"] [data-aos] { transition-timing-function: ease-in-out; }
@media screen {
html:not(.no-js) [data-aos^="fade"][data-aos^="fade"] { opacity: 0; transition-property: opacity, transform, -webkit-transform; }
html:not(.no-js) [data-aos^="fade"][data-aos^="fade"].aos-animate { opacity: 1; transform: none; }
html:not(.no-js) [data-aos="fade-up"] { transform: translate3d(0px, 100px, 0px); }
}
:root { --default-font: "Roboto",  system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"; --heading-font: "Raleway",  sans-serif; --nav-font: "Poppins",  sans-serif; }
:root { --background-color: #ffffff; --default-color: #272829; --heading-color: #050d18; --accent-color: #149ddd; --surface-color: #ffffff; --contrast-color: #ffffff; }
:root { --nav-color: #a8a9b4; --nav-hover-color: #ffffff; --nav-mobile-background-color: #040b14; --nav-dropdown-background-color: #040b14; --nav-dropdown-color: #a8a9b4; --nav-dropdown-hover-color: #ffffff; }
.light-background { --background-color: #f4fafd; --surface-color: #ffffff; }
.dark-background { --background-color: #040b14; --default-color: #ffffff; --heading-color: #ffffff; --surface-color: #151f2b; --contrast-color: #ffffff; }
body { color: var(--default-color); background-color: var(--background-color); font-family: var(--default-font); }
a { color: var(--accent-color); text-decoration: none; transition: 0.3s; }
a:hover { color: color-mix(in srgb, var(--accent-color), transparent 25%); text-decoration: none; }
h1, h2, h3, h4, h5, h6 { color: var(--heading-color); font-family: var(--heading-font); }
.mobile-topbar .header-toggle { color: var(--contrast-color); visibility: hidden; opacity: 0; background-color: var(--accent-color); font-size: 22px; display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 50%; cursor: pointer; position: fixed; top: 15px; right: 15px; z-index: 9999; transition: background-color 0.3s; }
.mobile-topbar .header-toggle:hover {color: var(--contrast-color); background-color: color-mix(in srgb, var(--accent-color) 90%, white 15%);}
.mobile-topbar .header-toggle.active {
  visibility: visible;
  opacity: 1;
}
.header { color: var(--default-color); background-color: var(--background-color); position: fixed; top: 0px; left: 0px; bottom: 0px; padding: 0px 15px; width: 300px; transition: 0.3s ease-in-out; overflow-y: auto; z-index: 997; border-right: 1px solid color-mix(in srgb, var(--default-color), transparent 90%); }
.header .profile-img img { margin: 15px auto; display: block; width: 120px; border: 8px solid color-mix(in srgb, var(--default-color), transparent 85%); align-items: center; justify-content: center; }
.header .logo { line-height: 1; margin-bottom: 15px; }
.header .logo h1,
.header .logo .sitename { font-size: 24px; margin: 0px; font-weight: 700; color: var(--heading-color); }
.header .social-links { margin: 0px 0px 20px; }
.header .social-links a { font-size: 16px; display: inline-flex; align-items: center; justify-content: center; background: color-mix(in srgb, var(--default-color), transparent 90%); color: var(--default-color); margin: 0px 2px; border-radius: 50%; text-align: center; width: 40px; height: 40px; transition: 0.3s; }
.header .social-links a:hover {color: var(--contrast-color); background: var(--accent-color); transform: translateY(-1px) 0.3s ease;}
@media (min-width: 1200px) {
.header ~ main, .header ~ #footer { margin-left: 300px; }
}
@media (min-width: 1200px) {
.header ~ main, .header ~ #footer {margin-left: 300px; transition: margin-left 0.3s ease; }
.header.hidden {transform: translateX(-100%) 0.3s ease; }
.header.hidden ~ main, .header.hidden ~ #footer {margin-left: 0;}
}
@media (max-width: 1199px) {
  .header {
    position: fixed; 
    top: 0;
    left: 0;
    width: 300px; 
    height: 100%;
    z-index: 1000; 
    transition: left 0.3s ease;
  }
  .header.hidden {
    left: -100%;
  }
}
.header .header-toggle { color: var(--contrast-color); background-color: var(--accent-color); font-size: 22px; display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 50%; cursor: pointer; position: fixed; top: 15px; right: 15px; z-index: 9999; transition: background-color 0.3s; }
.header .header-toggle:hover {color: var(--contrast-color); background-color: color-mix(in srgb, var(--accent-color) 90%, white 15%);}
.mobile-nav-toggle {display: none;}
.navmenu {padding: 0;z-index: 9997;}
.navmenu ul {list-style: none; padding: 0 0 20px 0;margin: 0;}
.navmenu a,
.navmenu a:focus {color: var(--nav-color); padding: 15px 10px; font-family: var(--nav-font); font-size: 16px; font-weight: 400; display: flex;
align-items: center;
white-space: nowrap;
transition: 0.3s;
width: 100%;
position: relative;
}

.navmenu a::after {
content: '';
position: absolute;
left: 40px;
bottom: 8px;
width: 2rem;
height: 1px;
background: color-mix(in srgb, var(--accent-color), transparent 20%);
transform: scaleX(0);
transform-origin: left;
transition: transform 0.25s ease;
}

.navmenu a.active::after {
transform: scaleX(1);
}

.navmenu a .navicon,
.navmenu a:focus .navicon {
font-size: 20px;
margin-right: 10px;
}

.navmenu a .toggle-dropdown,
.navmenu a:focus .toggle-dropdown {
font-size: 12px;
line-height: 0;
margin-left: auto;
width: 30px;
height: 30px;
display: flex;
align-items: center;
justify-content: center;
border-radius: 50%;
transition: 0.3s;
flex-shrink: 0;
background-color: color-mix(in srgb, var(--accent-color), transparent 90%);
}

.navmenu a .toggle-dropdown:hover,
.navmenu a:focus .toggle-dropdown:hover {
background-color: var(--accent-color);
color: var(--contrast-color);
}

.navmenu a:hover,
.navmenu .active,
.navmenu .active:focus {
color: var(--nav-hover-color);
}

.navmenu a:hover .navicon,
.navmenu .active .navicon,
.navmenu .active:focus .navicon {
color: var(--accent-color);
}

.navmenu .active .toggle-dropdown,
.navmenu .active:focus .toggle-dropdown {
background-color: var(--accent-color);
color: var(--contrast-color);
transform: rotate(180deg);
}

.navmenu .dropdown {
display: block;
}

.navmenu .dropdown a,
.navmenu .dropdown a:focus {
color: --nav-dropdown-color;
}

.navmenu .dropdown a:hover,
.navmenu .dropdown .active,
.navmenu .dropdown .active:focus {
color: var(--nav-dropdown-hover-color);
}

.navmenu .dropdown ul {
position: static;
display: none;
z-index: 99;
padding: 5px 10px;
margin: 5px 10px;
background-color: var(--nav-dropdown-background-color);
border: 1px solid color-mix(in srgb, var(--default-color), transparent 90%);
box-shadow: none;
transition: all 0.5s ease-in-out;
}

.navmenu .dropdown ul ul {
background-color: rgba(33, 37, 41, 0.1);
}

.navmenu .dropdown>.dropdown-active {
display: block;
background-color: rgba(33, 37, 41, 0.03);
}

.footer { color: var(--default-color); background-color: var(--background-color); font-size: 14px; padding: 40px 0px; position: relative; border-top: 1px solid color-mix(in srgb, var(--default-color), transparent 90%); }
.footer .copyright p { margin-bottom: 0px; }
.footer .footer-note {
  color: color-mix(in srgb, var(--default-color), transparent 45%);
  font-size: 0.78rem;
  margin: 0 0 0.55rem;
}
@media screen and (max-width: 768px) {
[data-aos-delay] { transition-delay: 0 !important; }
}
section, .section { color: var(--default-color); background-color: var(--background-color); padding: 80px 1rem; overflow: clip; }
@media (min-width: 1200px) {
  .index-page .main > section.section:not(#home) {
    box-sizing: border-box;
    padding-left: clamp(2rem, 3vw, 3rem);
    padding-right: clamp(2rem, 3vw, 3rem);
  }

  .index-page #about > .container:not(.section-title) {
    margin-top: clamp(1rem, 3vh, 1.75rem);
  }

  .index-page #resume {
    box-sizing: border-box;
  }

  .index-page #footer {
    padding-top: 34px;
    padding-bottom: 34px;
  }
}
@media (min-width: 2000px) {
  .index-page .main > section.section:not(#home) > .container {
    max-width: 1500px;
  }

  .index-page #about .about-copy {
    padding-left: 5rem;
  }
}
@media (min-width: 2600px) {
  .index-page .main > section.section:not(#home) > .container {
    max-width: 1600px;
  }

  .index-page #about .about-copy {
    padding-left: 6rem;
  }
}
.section-title { padding-bottom: 40px; position: relative; }
.section-title h2 { font-size: 32px; font-weight: 700; margin-bottom: 20px; padding-bottom: 20px; position: relative; display: inline-block; }
.section-title h2::after {
    content: '';
    position: absolute;
    display: block;
    width: 90%;
    height: 3px;
    background: var(--accent-color);
    bottom: 0;
    left: 0;
}
.section-title p { margin-bottom: 0px; }
.hero { width: 100%; min-height: 100vh; position: relative; padding: 80px 0px; display: flex; align-items: center; justify-content: center; }
.hero img {transition: 0.3s ease; position: absolute; top: -1.5rem; left:2rem; justify-content: center; display: block; width: 100%; height: 100%; object-fit: cover; z-index: 1; background: linear-gradient(135deg, rgb(15, 23, 42) 0%, rgb(30, 41, 59) 100%); }
@media (max-width: 1200px) {
.hero img { object-position: 75% 50%; display: none; }
}
.hero p { margin: 5px 0px 0px; font-size: 1.5rem; }
.hero p span { letter-spacing: 1px; border-bottom: 2px solid var(--accent-color); }
.hero .social-links { margin-top: 25px; }
.hero .social-links a { font-size: 24px; display: inline-block; color: color-mix(in srgb, var(--default-color), transparent 50%); line-height: 1; margin-right: 20px; transition: 0.3s; }
@media (max-width: 768px) {
.hero p { font-size: 20px; }
}
.about .content h2 { font-weight: 700; font-size: 24px; }
.about .about-identity {
  margin-bottom: 2rem;
}
.about .about-profile-image {
  display: block;
  filter: brightness(0.99) contrast(1.06);
  margin-inline: auto;
  width: min(100%, 340px);
}
.about .about-layout {
  align-items: flex-start;
}
@media (min-width: 1600px) {
  .about .about-layout {
    align-items: center;
  }
}
.about .content .about-name {
  font-size: 1.85rem;
  line-height: 1.15;
  margin-bottom: 0.65rem;
}
.about .content .about-name::after {
  content: '';
  display: block;
  width: 4rem;
  height: 1px;
  margin-top: 0.7rem;
  background: color-mix(in srgb, var(--accent-color), transparent 45%);
}
.about .about-role {
  color: var(--accent-color);
  font-size: 1.08rem;
  font-weight: 600;
  margin-bottom: 0.15rem;
}
.about .about-affiliation {
  color: color-mix(in srgb, var(--default-color), transparent 35%);
  font-size: 0.96rem;
  margin-bottom: 0;
}
.about .about-intro,
.about .about-bio {
  line-height: 1.75;
}
.about .about-intro {
  font-size: 1.03rem;
  margin-bottom: 2rem;
}
.about .about-bio {
  margin-bottom: 0;
}
.about .about-contact {
  border-top: 1px solid color-mix(in srgb, var(--default-color), transparent 86%);
  margin-top: 1.75rem;
  max-width: 760px;
  padding-top: 1.15rem;
}
.about .about-contact-label {
  color: color-mix(in srgb, var(--default-color), transparent 42%);
  font-family: var(--mono-font);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  margin-bottom: 0.7rem;
  text-transform: uppercase;
}
.about .about-contact-links {
  display: grid;
  gap: 0.65rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.about .about-contact-link {
  align-items: center;
  background: color-mix(in srgb, var(--surface-color), var(--accent-color) 2%);
  border: 1px solid color-mix(in srgb, var(--default-color), transparent 88%);
  border-radius: 12px;
  color: var(--default-color);
  display: flex;
  gap: 0.7rem;
  min-width: 0;
  padding: 0.72rem 0.8rem;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.about .about-contact-link:hover {
  border-color: color-mix(in srgb, var(--accent-color), transparent 48%);
  transform: translateY(-1px);
}
.about .about-contact-link > i:first-child {
  color: var(--accent-color);
  flex: 0 0 auto;
  font-size: 1rem;
}
.about .about-contact-link span {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  min-width: 0;
}
.about .about-contact-link strong {
  font-size: 0.82rem;
  font-weight: 650;
  line-height: 1.3;
}
.about .about-contact-link small {
  color: color-mix(in srgb, var(--default-color), transparent 42%);
  font-size: 0.7rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.about .about-contact-arrow {
  color: color-mix(in srgb, var(--default-color), transparent 58%);
  flex: 0 0 auto;
  font-size: 0.72rem;
}
@media (max-width: 575px) {
  .about .about-profile-image {
    width: min(70vw, 250px);
  }

  .about .about-contact-links {
    grid-template-columns: 1fr;
  }
}
.resume .resume-title {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  margin-top: 1rem;
  /* border-bottom: 1px solid var(--border-color); */
}
.resume .resume-item {
  padding: 0 0 20px 20px;
  margin-top: -2px;
  border-left: 2px solid var(--accent-color);
  position: relative;
}
.resume .resume-item::before {
  content: "";
  position: absolute;
  left: -9px;
  top: 0;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid var(--accent-color);
  background: var(--background-color);
}
.resume .resume-item h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--heading-color);
}
.resume .resume-item h5 {
  font-size: 0.9rem;
  background: #efefef;
  padding: 5px 15px;
  display: inline-block;
  font-weight: 600;
  margin-bottom: 10px;
  border-radius: 5px;
  /* color: var(--secondary-color); */
}
.resume .resume-item ul { padding-left: 20px; }
.resume .resume-item ul li { padding-bottom: 10px; }
.resume .resume-item:last-child { padding-bottom: 0px; }
.portfolio .portfolio-filters { padding: 0px; margin: 0px auto 20px; list-style: none; text-align: center; }
.portfolio .portfolio-filters li { cursor: pointer; display: inline-block; padding: 0px; font-size: 14px; font-weight: 400; margin: 0px 10px 10px; line-height: 1; text-transform: uppercase; transition: 0.3s ease-in-out; }
.portfolio .portfolio-filters li:hover, .portfolio .portfolio-filters li.filter-active { color: var(--accent-color); }
.portfolio .portfolio-filters li:first-child { margin-left: 0px; }
.portfolio .portfolio-filters li:last-child { margin-right: 0px; }
@media (max-width: 575px) {
.portfolio .portfolio-filters li { font-size: 14px; margin: 0px 5px; }
}

a.testimonial-link,
a.testimonial-link:hover {
  text-decoration: none;
  color: inherit;
}

.testimonials .testimonial-item {
  display: flex;
  flex-direction: column;
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  background: var(--surface-color);
  transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
  height: 100%;
  min-height: 0;
  text-align: left;
  box-sizing: border-box;
  isolation: isolate;
}

.testimonials .testimonial-item:hover {
  transform: translateY(-5px);
  border-color: rgba(20, 157, 221, 0.22);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.14);
  z-index: 10;
}

.testimonials .testimonial-item .testimonial-content {
  position: relative;
  z-index: 2;
  min-height: 5.4rem;
  padding: 0.9rem 1.05rem 1rem;
  background: var(--surface-color);
  box-sizing: border-box;
  flex: 1 0 auto;
}

.testimonials .testimonial-item .testimonial-content h6 {
  color: var(--heading-color);
  padding: 0;
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.35;
  min-height: 2.6em;
  font-style: normal;
  font-weight: 500;
  letter-spacing: 0;
  text-wrap: balance;
  overflow-wrap: anywhere;
}

.testimonials .portfolio-blog-content {
  margin-top: 0.8rem;
}

.testimonials .portfolio-blog-subheading {
  margin: 0 0 1.25rem;
  color: #0f172a;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0;
}

.testimonials .portfolio-blog-list-shell {
  position: relative;
  z-index: 1;
  margin-inline: 0;
  overflow: visible;
}

.testimonials .portfolio-blog-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
}

.testimonials .portfolio-blog-preview-item {
  margin: 0;
  padding: 0.9rem 0;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.testimonials .portfolio-blog-preview-item:first-child {
  padding-top: 0;
}

.testimonials .portfolio-blog-preview-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.testimonials .portfolio-blog-preview-link {
  display: grid;
  grid-template-columns: minmax(168px, 280px) minmax(0, 1fr);
  gap: 1.05rem;
  align-items: stretch;
  color: inherit;
  text-decoration: none;
}

.testimonials .portfolio-blog-preview-link:hover {
  color: inherit;
}

.testimonials .portfolio-blog-preview-cover {
  position: relative;
  min-height: 112px;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: 0.48rem;
  background: #111827;
}

.testimonials .portfolio-blog-preview-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(17, 24, 39, 0), rgba(17, 24, 39, 0.1));
  pointer-events: none;
}

.testimonials .portfolio-blog-preview-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.28s ease, filter 0.28s ease;
}

.testimonials .portfolio-blog-preview-link:hover .portfolio-blog-preview-cover img {
  transform: translateY(-1px);
  filter: saturate(1.04) contrast(1.02);
}

.testimonials .portfolio-blog-preview-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 860px;
  min-width: 0;
}

.testimonials .portfolio-blog-preview-eyebrow {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.7rem;
  align-items: center;
  margin-bottom: 0.42rem;
  color: #6b7280;
  font-family: var(--mono-font);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.testimonials .portfolio-blog-preview-eyebrow span:first-child {
  color: #0d6f5a;
}

.testimonials .portfolio-blog-preview-title {
  margin: 0;
  color: #111827;
  font-size: 1.1rem;
  font-weight: 740;
  line-height: 1.3;
  letter-spacing: 0;
  text-wrap: balance;
}

.testimonials .portfolio-blog-preview-summary {
  display: -webkit-box;
  margin: 0.42rem 0 0;
  color: #4c5563;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  font-size: 0.9rem;
  font-weight: 400;
  line-height: 1.55;
}

.testimonials .portfolio-blog-preview-meta {
  margin-top: 0.58rem;
  color: #7b8491;
  font-size: 0.74rem;
  line-height: 1.35;
}

.testimonials .portfolio-blog-preview-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.7rem;
}

.testimonials .portfolio-blog-preview-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.22rem 0.48rem;
  border: 1px solid rgba(21, 156, 120, 0.22);
  border-radius: 999px;
  color: #0d6f5a;
  background: rgba(21, 156, 120, 0.07);
  font-size: 0.66rem;
  font-weight: 650;
  line-height: 1.2;
}

.testimonials .portfolio-blog-side-notes {
  margin-top: 1.4rem;
  padding: 1rem 1.1rem;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.74), rgba(248, 250, 252, 0.5));
}

.testimonials .portfolio-blog-side-notes-kicker {
  display: block;
  margin-bottom: 0.32rem;
  color: #149ddd;
  font-family: var(--mono-font);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.testimonials .portfolio-blog-side-notes p {
  margin: 0;
  color: #334155;
  font-size: 0.94rem;
  line-height: 1.65;
}

@media (max-width: 575px) {
  .testimonials .portfolio-blog-preview-link {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .testimonials .portfolio-blog-preview-cover {
    min-height: 0;
  }

  .testimonials .portfolio-blog-side-notes {
    padding-right: 3.8rem;
  }
}

.testimonials .blog-preview-card .polar_content h6 {
  display: -webkit-box;
  max-height: 2.7em;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}


.testimonials .testimonial-item .testimonial-img {
  width: 100%;
  overflow: hidden;
  position: relative;
  z-index: 2;
  aspect-ratio: 16 / 9;
  background: #0f172a;
}

.testimonials .testimonial-item .testimonial-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.02), rgba(15, 23, 42, 0.1));
  pointer-events: none;
  z-index: 1;
}

.testimonials .testimonial-item .testimonial-img img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.36s ease, filter 0.36s ease;
}

.testimonials .testimonial-item:hover .testimonial-img img {
  transform: scale(1.035);
  filter: saturate(1.04) contrast(1.02);
}

.testimonials .testimonial-item p {
  font-style: normal;
  margin: 0;
  padding: 0;
  background-color: transparent;
  position: static;
  border-radius: 0;
  box-shadow: none;
}

.testimonials .testimonial-item .quote-icon-left,
.testimonials .testimonial-item .quote-icon-right {
  display: none; 
}

#portfolio .portfolio-item {
    margin-bottom: 6px;
}
.portfolio-box {
  display: flex;
  flex-direction: column;
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  background: var(--surface-color);
  transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
  height: 100%;
  isolation: isolate;
}

.portfolio-box:hover {
  transform: translateY(-5px);
  border-color: rgba(20, 157, 221, 0.22);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.14);
  z-index: 10;
}

.loading-spinner {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 40px;
  height: 40px;
  display: none;
  margin-top: -20px; 
  margin-left: -20px; 
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  z-index: 10; 
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.aspect-ratio-box {
  width: 100%;
  padding-top: 62%;
  position: relative;
  overflow: hidden;
  background: #0f172a;
}

.aspect-ratio-box::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.02), rgba(15, 23, 42, 0.1));
  pointer-events: none;
  z-index: 1;
}

.aspect-ratio-box img,
.aspect-ratio-box video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.36s ease, filter 0.36s ease;
}

.portfolio-box:hover .aspect-ratio-box img,
.portfolio-box:hover .aspect-ratio-box video,
.portfolio-box.is-active .aspect-ratio-box img,
.portfolio-box.is-active .aspect-ratio-box video {
  transform: scale(1.035);
  filter: saturate(1.04) contrast(1.02);
}

.polar_content {
  position: relative;
  width: 100%;
  min-height: 7.4rem;
  padding: 0.9rem 1.05rem 1rem;
  box-sizing: border-box;
  background: var(--surface-color);
  flex: 1 0 auto;
  z-index: 2;
}

.polar_content h6 {
  color: var(--heading-color);
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.35;
  min-height: 2.6em;
  font-weight: 650;
  letter-spacing: 0;
  text-wrap: balance;
  overflow-wrap: anywhere;
}
.portfolio-box-caption {
  display: none;
}

.polar_content h6::after {
  content: none;
}
@keyframes blink {
  50% { opacity: 1; }
}

.portfolio-card-summary {
  color: #64748b;
  display: -webkit-box;
  font-size: 0.78rem;
  line-height: 1.35;
  margin: 0.45rem 0 0;
  max-height: 3.2em;
  opacity: 1;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  transform: none;
}

#portfolio .aspect-ratio-box {
  padding-top: 52%;
}

#portfolio .polar_content {
  min-height: 5.95rem;
  padding: 0.76rem 0.95rem 0.82rem;
}

#portfolio .polar_content h6 {
  font-size: 0.92rem;
  line-height: 1.25;
  min-height: 1.25em;
}

#portfolio .portfolio-card-summary {
  font-size: 0.76rem;
  line-height: 1.3;
  margin-top: 0.34rem;
  max-height: 3em;
}

.click-prompt {
  display: none;
}

.top-left .badge {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  padding: 0.42em 0.76em;
  border-radius: 999px;
  background-color: rgba(255, 255, 255, 0.9) !important;
  color: #0f172a !important;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.18);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.portfolio-filters li {
  color: var(--heading-color);
  padding: 8px 20px;
  border-radius: 30px;
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition-smooth);
}
.portfolio-filters li:hover,
.portfolio-filters li.filter-active {
  color: var(--primary-color);
}
.top-left {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 3;
}
.button_top { 
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #149ddd;
    border: none;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: 0.3s ease;
    overflow: hidden;
    position: fixed;      
    bottom: 15px;       
    right: 15px;
    }
.button_top:hover { 
    width: 140px;
    border-radius: 50px;
    transition: 0.3s ease;
    background-color: rgb(181, 160, 255);
    align-items: center;
    }
.button_top:hover .svgIcon { 
  transition: 0.3s ease;
    transform: translateY(-200%);
}
.button_top::before { 
    position: absolute;
    bottom: -20px;
    content: "Back to Top";
    color: white;
    font-size: 0px;
}
.button_top:hover::before { 
    font-size: 11px;
    opacity: 1;
    bottom: unset;
    transition: 0.3s ease;
}
.svgIcon { width: 10px; transition-duration: 0.3s; }
.svgIcon path { fill: white; }
#header { transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out; transform: translateX(0px); }
.portfolio-item .polaroid { border-radius: 15px; overflow: hidden; transition: transform 0.3s, box-shadow 0.3s; border: 1px solid rgb(226, 232, 240); }
.hero {
    min-height: 100vh;
    margin-left: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
    background-color: #0f172a; /* dark-bg */
}
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
        background: url('/assets/image_fx_.jpg') center/cover;
    background-attachment: fixed;
    opacity: 0.15;
    z-index: 1;
}
@media (max-width: 1200px) {
  .hero::before {
      background-attachment: scroll;
  }
}
.hero-content {
    position: relative;
    z-index: 2;
    max-width: 100wh;
    margin: 0 auto;
    padding: 2rem;
}
.hero h1 {
    font-size: clamp(2.5rem, 4vw, 4rem);
    font-weight: 700;
    margin-bottom: 1rem;
    color: #fff;
}

.hero .subtitle {
    font-size: 1.6rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
}

.hero .hero-subtitle-text {
    color: #06b6d4;
    font-weight: 600;
    border-bottom: 0;
}

.hero .lead {
    color: rgba(255, 255, 255, 0.7);
}
.hero .social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    justify-content: center;
}

.hero .social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: white;
    transition: all 0.3s ease;
}

.hero .social-links a:hover {
    background: #06b6d4;
    transform: translateY(-2px);
}

.scroll-down-arrow {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  color: rgba(255, 255, 255, 0.52);
  text-decoration: none;
  white-space: nowrap;
}

.scroll-down-label {
  font-family: var(--nav-font);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.09em;
  transition: color 0.3s ease;
}

.scroll-down-arrow i {
  font-size: 2rem;
  color: rgba(255, 255, 255, 0.6); 
  cursor: pointer;
  transition: color 0.3s ease;
  
  animation: bounce-glow 2.5s infinite ease-in-out;
}

.scroll-down-arrow:hover i {
  color: rgba(255, 255, 255, 1); 
  animation-play-state: paused; 
}

.scroll-down-arrow:hover .scroll-down-label {
  color: rgba(255, 255, 255, 0.88);
}

@keyframes bounce-glow {
  0%, 100% {
    transform: translateY(0);
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.3);
  }
  50% {
    transform: translateY(10px); 
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.8);
  }
}

/* Sidebar */
#header {
    transition: opacity 0.3s ease-in-out, left 0.3s ease-in-out;
    left: 0;
}

#header.hidden {
    opacity: 0;
    pointer-events: none;
    left: -300px;
}
/* Project Cards */
.portfolio-item .polaroid {
    border-radius: 15px;
    background-color: #fdfdfdbd;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e2e8f0; /* border-color */
}
.portfolio-item .polaroid:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}
.portfolio-details .portfolio-info {
  padding: 30px;
  box-shadow: 0px 0 30px rgba(0, 0, 0, 0.1);
}

.portfolio-details .portfolio-info h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid color-mix(in srgb, var(--default-color), transparent 85%);
}

.portfolio-details .portfolio-info ul {
  list-style: none;
  padding: 0;
  font-size: 15px;
}

.portfolio-details .portfolio-info ul li+li {
  margin-top: 10px;
}

.portfolio-details .portfolio-description {
  padding-top: 30px;
}

.portfolio-details .portfolio-description h2 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 20px;
}

.portfolio-details .portfolio-description p {
  padding: 0;
  color: color-mix(in srgb, var(--default-color), transparent 30%);
}

.progress-bar {
  height: 0.4rem;
  background: #6EA8FE;
  width: 0%;
  z-index: 9999;
}
.page-title {
  color: var(--default-color);
  background-color: var(--background-color);
  padding: 25px 0;
  position: relative;
}

.page-title h1 {
  font-size: 24px;
  font-weight: 700;
}

.page-title .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 14px;
  font-weight: 400;
}

.page-title .breadcrumbs ol li+li {
  padding-left: 10px;
}

.page-title .breadcrumbs ol li+li::before {
  content: "/";
  display: inline-block;
  padding-right: 10px;
  color: color-mix(in srgb, var(--default-color), transparent 70%);
}

.scroll-top {
  position: fixed;
  visibility: hidden;
  opacity: 0;
  right: 15px;
  bottom: -15px;
  z-index: 99999;
  background-color: var(--accent-color);
  width: 44px;
  height: 44px;
  border-radius: 50px;
  transition: all 0.4s;
}

.scroll-top i {
  font-size: 24px;
  color: var(--contrast-color);
  line-height: 0;
}

.scroll-top:hover {
  background-color: color-mix(in srgb, var(--accent-color), transparent 20%);
  color: var(--contrast-color);
}

.scroll-top.active {
  visibility: visible;
  opacity: 1;
  bottom: 15px;
}

.button_top { /* Changed from .button to .button_top */
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: #149ddd;
  border: none;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  /* box-shadow: 0px 0px 0px 4px rgba(180, 160, 255, 0.253); */
  cursor: pointer;
  transition-duration: 0.3s;
  overflow: hidden;
  position: fixed;      /* fixed position 으로 변경 */
  bottom: 15px;        /* bottom 위치 설정 (원하는 값으로 조정) */
  right: 15px;
}

.svgIcon {
  width: 10px;
  transition-duration: 0.3s;
}

.svgIcon path {
  fill: white;
}

.button_top:hover { /* Changed from .button:hover to .button_top:hover */
  width: 140px;
  border-radius: 50px;
  transition-duration: 0.3s;
  background-color: rgb(181, 160, 255);
  align-items: center;
}

.button_top:hover .svgIcon { /* Changed from .button:hover .svgIcon to .button_top:hover .svgIcon */
  transition-duration: 0.3s;
  transform: translateY(-200%);
}

.button_top::before { /* Changed from .button::before to .button_top::before */
  position: absolute;
  bottom: -20px;
  content: "Back to Top";
  color: white;
  font-size: 0px;
}

.button_top:hover::before { /* Changed from .button:hover::before to .button_top:hover::before */
  font-size: 11px;
  opacity: 1;
  bottom: unset;
  transition-duration: 0.3s;
}


.video-container {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 비율 */
  height: 0;
  overflow: hidden;
  max-width: 100%;
  background: #000;
  margin-bottom: 20px;
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* Typography and Hero refresh. Existing section and card layouts remain intact. */
:root {
  --default-font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --heading-font: "Manrope", "Inter", system-ui, sans-serif;
  --nav-font: "Inter", system-ui, sans-serif;
  --mono-font: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

body {
  font-family: var(--default-font);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

body.index-page [data-aos] {
  opacity: 1 !important;
  pointer-events: auto !important;
  transform: none !important;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--heading-font);
  letter-spacing: -0.03em;
}

.hero {
  justify-content: flex-start;
  padding: 6.5rem clamp(1.5rem, 8vw, 8rem);
  text-align: left;
  isolation: isolate;
  background:
    radial-gradient(circle at 76% 54%, rgba(255, 255, 255, 0.045), transparent 40%),
    radial-gradient(circle at 18% 32%, rgba(255, 255, 255, 0.025), transparent 34%),
    linear-gradient(115deg, #101011 0%, #101011 43%, #171719 100%);
}

.hero::before {
  inset: 0;
  background:
    linear-gradient(90deg, rgba(16, 16, 17, 0.98) 0%, rgba(16, 16, 17, 0.9) 34%, rgba(16, 16, 17, 0.3) 68%, rgba(15, 15, 16, 0.44) 100%),
    linear-gradient(180deg, rgba(16, 16, 17, 0.08), rgba(16, 16, 17, 0.08) 66%, rgba(12, 12, 13, 0.76) 100%);
  background-attachment: scroll;
  opacity: 1;
  pointer-events: none;
  z-index: 2;
}

.hero-wave-fallback .index-page .hero::before {
  background:
    linear-gradient(90deg, rgba(16, 16, 17, 0.98) 0%, rgba(16, 16, 17, 0.9) 36%, rgba(16, 16, 17, 0.2) 76%),
    linear-gradient(180deg, rgba(16, 16, 17, 0.08), rgba(16, 16, 17, 0.2) 68%, rgba(12, 12, 13, 0.78) 100%),
    url("/assets/hero-bg-3d-ai-candidate.png") center / cover no-repeat;
  background-color: #101011;
  background-blend-mode: normal, normal, luminosity;
}

.hero-wave-canvas {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: block;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0;
  filter: saturate(0.88);
  transition: opacity 0.8s ease;
}

.hero-wave-ready .hero-wave-canvas {
  opacity: 1;
}

.hero-intro-sweeping .hero-wave-canvas {
  z-index: 3;
}

.hero-content {
  width: min(100%, 820px);
  max-width: 820px;
  margin: 0;
  padding: 1.5rem 0;
  text-align: left;
  z-index: 4;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.75rem, 4.4vw, 3.85rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.055em;
  color: rgba(240, 241, 243, 0.88);
}

.hero hr {
  width: min(100%, 680px);
  height: 1px;
  margin: 1.45rem 0;
  border: 0;
  background: linear-gradient(
    90deg,
    rgba(105, 210, 230, 0.22),
    rgba(255, 255, 255, 0.1) 58%,
    transparent
  );
  transform-origin: left center;
}

.hero-wave-pending .hero .hero-content,
.hero-wave-active
  .hero:not(.hero-intro-sweeping):not(.hero-intro-visible)
  .hero-content {
  opacity: 0;
  pointer-events: none;
}

.hero-wave-active .hero.hero-intro-sweeping .hero-content {
  opacity: var(--hero-reveal-opacity, 0);
  pointer-events: none;
  -webkit-mask-image: none;
  mask-image: none;
}

.hero-wave-active .hero.hero-intro-visible .hero-content,
.hero-wave-fallback .hero .hero-content {
  opacity: 1;
  pointer-events: auto;
  -webkit-mask-image: none;
  mask-image: none;
}

.hero-wave-active .hero .hero-content:focus-within {
  opacity: 1;
  pointer-events: auto;
}

.hero .subtitle {
  margin: 0 0 1.1rem;
  font-size: clamp(1.12rem, 1.9vw, 1.55rem);
  line-height: 1.25;
}

.hero .hero-subtitle-text {
  color: rgba(105, 210, 230, 0.82);
}

.hero .lead {
  max-width: 780px;
  margin: 0;
  color: rgba(220, 223, 228, 0.58);
  font-size: clamp(0.94rem, 1.35vw, 1.05rem);
  line-height: 1.7;
}

.hero .lead .hero-lead-line {
  display: block;
  border-bottom: 0;
  letter-spacing: 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 0.72rem;
  align-items: center;
  margin-top: 1.95rem;
  transition:
    opacity 0.72s ease,
    transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.hero-action {
  position: relative;
  display: inline-flex;
  gap: 0.42rem;
  align-items: center;
  justify-content: center;
  min-width: 5.55rem;
  min-height: 2.32rem;
  padding: 0 0.94rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 0.38rem;
  color: rgba(232, 235, 239, 0.76);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.052), rgba(255, 255, 255, 0.022));
  font-family: var(--default-font);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.045);
  transition:
    border-color 0.25s ease,
    background-color 0.25s ease,
    box-shadow 0.25s ease,
    color 0.25s ease,
    transform 0.25s ease;
}

.hero-action i {
  color: currentColor;
  font-size: 0.82rem;
  line-height: 1;
  opacity: 0.68;
  transition: opacity 0.25s ease;
}

.hero-action--section {
  color: rgba(232, 235, 239, 0.72);
}

.hero-action--download {
  color: rgba(232, 235, 239, 0.72);
}

.hero-action:hover {
  color: rgba(255, 255, 255, 0.94);
  border-color: rgba(255, 255, 255, 0.32);
  background-color: rgba(255, 255, 255, 0.065);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 10px 28px rgba(0, 0, 0, 0.16);
  transform: translateY(-1px);
}

.hero-action:hover i {
  opacity: 0.92;
}

.hero-action--section:hover {
  color: rgba(255, 255, 255, 0.94);
}

.hero-action--download:hover {
  color: rgba(255, 255, 255, 0.94);
}

.hero-action:focus-visible {
  outline: 1px solid rgba(255, 255, 255, 0.64);
  outline-offset: 2px;
}

.hero .social-links {
  justify-content: flex-start;
  gap: 0.75rem;
  margin-top: 1.35rem;
  transition:
    opacity 0.72s ease,
    transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.hero .social-links a {
  width: 2.5rem;
  height: 2.5rem;
  margin-right: 0;
  font-size: 1rem;
  color: rgba(240, 242, 245, 0.76);
  border-color: rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.065);
}

.hero .social-links a:hover {
  color: #fff;
}

.scroll-down-arrow {
  right: auto;
  bottom: 1.15rem;
  left: 50%;
  gap: 0;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  transform: translateX(-50%);
  transition:
    opacity 0.52s ease,
    transform 0.68s cubic-bezier(0.22, 1, 0.36, 1);
}

.hero-wave-pending .hero .scroll-down-arrow,
.hero-wave-active .hero:not(.hero-cta-visible) .scroll-down-arrow {
  opacity: 0;
  pointer-events: none;
  transform: translateX(-50%) translateY(0.9rem);
}

.hero-wave-active
  .hero:not(.hero-cta-visible)
  .scroll-down-arrow:focus-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%);
}

.scroll-down-label {
  font-family: var(--mono-font);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.scroll-down-arrow i {
  font-size: 1.45rem;
}

.about .about-intro,
.about .about-bio {
  max-width: 760px;
}

.portfolio-section-heading {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  justify-content: space-between;
}

.portfolio-heading-copy {
  flex: 1 1 auto;
  min-width: 0;
}

.portfolio-section-heading h2 {
  margin-bottom: 0;
}

.portfolio-credibility {
  margin: 0.62rem 0 0;
  color: #475569;
  font-family: var(--heading-font);
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0;
  line-height: 1.45;
}

.portfolio .portfolio-section-heading .portfolio-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  justify-content: flex-end;
  margin: 0.35rem 0 0 auto;
}

.portfolio .portfolio-section-heading .portfolio-filters li {
  margin: 0;
  padding: 0.48rem 0.72rem;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 0.4rem;
  color: #64748b;
  background: rgba(255, 255, 255, 0.62);
  font-family: var(--heading-font);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.035em;
}

.portfolio .portfolio-section-heading .portfolio-filters li:hover {
  color: #0f172a;
  border-color: rgba(15, 23, 42, 0.28);
}

.portfolio .portfolio-section-heading .portfolio-filters li:focus-visible {
  outline: 2px solid rgba(20, 157, 221, 0.42);
  outline-offset: 2px;
}

.portfolio .portfolio-section-heading .portfolio-filters li.filter-active {
  color: #fff;
  border-color: #0f172a;
  background: #0f172a;
}

.portfolio-content {
  position: relative;
}

.portfolio-project-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
}

.portfolio-project-item {
  margin: 0;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.portfolio-project-item:first-child {
  padding-top: 0;
}

.portfolio-project-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.portfolio-project-link {
  position: relative;
  display: grid;
  grid-template-columns: minmax(220px, 360px) minmax(0, 1fr);
  gap: 1.2rem;
  align-items: stretch;
  color: inherit;
  text-decoration: none;
}

.portfolio-project-link:hover {
  color: inherit;
}

.portfolio-project-cover {
  position: relative;
  min-height: 132px;
  aspect-ratio: 16 / 9.4;
  overflow: hidden;
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: 0.5rem;
  background: #111827;
}

.portfolio-project-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.02), rgba(15, 23, 42, 0.14));
  pointer-events: none;
  z-index: 1;
}

.portfolio-project-cover img,
.portfolio-project-cover video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.32s ease, filter 0.32s ease;
}

.portfolio-project-link[href$="projects/instant_pose/"] .portfolio-project-cover img {
  object-position: right center;
}

.portfolio-project-link:hover .portfolio-project-cover img,
.portfolio-project-link:hover .portfolio-project-cover video,
.portfolio-project-link.is-active .portfolio-project-cover img,
.portfolio-project-link.is-active .portfolio-project-cover video {
  transform: scale(1.025);
  filter: saturate(1.04) contrast(1.02);
}

.portfolio-project-badge {
  position: absolute;
  top: 0.62rem;
  left: 0.62rem;
  z-index: 2;
  max-width: calc(100% - 1.24rem);
  padding: 0.32rem 0.58rem;
  border-radius: 999px;
  color: #0f172a;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.16);
  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1.15;
}

.portfolio-project-body {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  max-width: 880px;
  min-width: 0;
  padding-top: clamp(0.45rem, 0.9vw, 0.75rem);
}

.portfolio-project-eyebrow {
  display: flex;
  flex-wrap: wrap;
  gap: 0.28rem 0.62rem;
  align-items: center;
  margin-bottom: 0.38rem;
  color: #64748b;
  font-family: var(--default-font);
  font-size: 0.74rem;
  font-weight: 650;
  letter-spacing: 0;
  text-transform: none;
}

.portfolio-project-eyebrow span:first-child {
  color: #149ddd;
}

.portfolio-project-title {
  color: #111827;
  font-family: var(--heading-font);
  font-size: 1.18rem;
  font-weight: 720;
  line-height: 1.3;
  letter-spacing: 0;
  text-wrap: balance;
}

.portfolio-project-title i {
  margin-left: 0.35rem;
  font-size: 0.82em;
}

.portfolio-project-summary {
  display: -webkit-box;
  margin-top: 0.38rem;
  color: #526070;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  font-size: 0.9rem;
  font-weight: 400;
  line-height: 1.5;
}

.portfolio-project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.72rem;
}

.portfolio-project-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.22rem 0.48rem;
  border: 1px solid rgba(20, 157, 221, 0.2);
  border-radius: 999px;
  color: #0878ad;
  background: rgba(20, 157, 221, 0.065);
  font-size: 0.68rem;
  font-weight: 650;
  line-height: 1.2;
}

.portfolio-project-meta {
  display: inline-flex;
  gap: 0.28rem;
  align-items: center;
  margin-top: 0.68rem;
  color: #149ddd;
  font-size: 0.78rem;
  font-weight: 650;
  line-height: 1.35;
}

.portfolio-project-meta i {
  font-size: 0.82rem;
}

.portfolio-evidence {
  display: grid;
  gap: 0.8rem;
  margin-top: 2.4rem;
}

.portfolio-disclosure {
  overflow: hidden;
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: 0.65rem;
  background: rgba(255, 255, 255, 0.64);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.035);
}

.portfolio-disclosure summary {
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  min-height: 4.8rem;
  padding: 1rem 1.25rem;
  cursor: pointer;
  list-style: none;
}

.portfolio-disclosure summary::-webkit-details-marker {
  display: none;
}

.portfolio-disclosure summary strong {
  display: block;
  color: #0f172a;
  font-family: var(--heading-font);
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.portfolio-disclosure-kicker {
  display: block;
  margin-bottom: 0.12rem;
  color: #149ddd;
  font-family: var(--mono-font);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.portfolio-disclosure-meta {
  display: inline-flex;
  gap: 0.8rem;
  align-items: center;
  color: #64748b;
  font-size: 0.73rem;
  white-space: nowrap;
}

.portfolio-disclosure-meta i {
  color: #0f172a;
  font-size: 0.85rem;
  transition: transform 0.25s ease;
}

.portfolio-disclosure[open] .portfolio-disclosure-meta i {
  transform: rotate(180deg);
}

.portfolio-disclosure[open] summary {
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  background: rgba(255, 255, 255, 0.72);
}

.portfolio-disclosure-panel {
  padding: 0 1.25rem;
}

.portfolio-publication-list,
.portfolio-talk-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.portfolio-publication-list {
  counter-reset: publication;
}

.portfolio-publication {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem 2rem;
  position: relative;
  padding: 1.35rem 0 1.35rem 3rem;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  counter-increment: publication;
}

.portfolio-publication:last-child,
.portfolio-talk:last-child {
  border-bottom: 0;
}

.portfolio-publication::before {
  content: "0" counter(publication);
  position: absolute;
  top: 1.42rem;
  left: 0;
  color: #94a3b8;
  font-family: var(--mono-font);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
}

.portfolio-publication h3,
.portfolio-talk h3 {
  margin: 0;
  color: #0f172a;
  font-size: 0.94rem;
  line-height: 1.45;
  letter-spacing: -0.015em;
}

.portfolio-publication p,
.portfolio-talk p {
  margin: 0;
}

.portfolio-publication-authors {
  margin-top: 0.38rem !important;
  color: #475569;
  font-size: 0.75rem;
  line-height: 1.55;
}

.portfolio-publication-venue {
  margin-top: 0.15rem !important;
  color: #64748b;
  font-size: 0.73rem;
  line-height: 1.55;
}

.portfolio-paper-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.38rem;
  align-content: flex-start;
  justify-content: flex-end;
}

.portfolio-paper-link {
  display: inline-flex;
  gap: 0.35rem;
  align-items: center;
  padding: 0.38rem 0.55rem;
  border: 1px solid rgba(15, 23, 42, 0.14);
  border-radius: 0.35rem;
  color: #334155;
  font-family: var(--mono-font);
  font-size: 0.63rem;
  font-weight: 500;
  text-transform: uppercase;
}

.portfolio-paper-link:hover {
  color: #0678ae;
  border-color: rgba(20, 157, 221, 0.42);
  background: rgba(20, 157, 221, 0.06);
}

.portfolio-talk {
  display: grid;
  grid-template-columns: 6.5rem minmax(0, 1fr);
  gap: 1.5rem;
  padding: 1.2rem 0;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.portfolio-talk time {
  color: #149ddd;
  font-family: var(--mono-font);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.03em;
}

.portfolio-talk p {
  margin-top: 0.28rem;
  color: #64748b;
  font-size: 0.75rem;
  line-height: 1.55;
}

@media (max-width: 767px) {
  .hero {
    min-height: 100svh;
    padding: 6.5rem 1.25rem 5rem;
    align-items: center;
  }

  .hero-wave-canvas,
  .hero-intro-sweeping .hero-wave-canvas {
    z-index: 1;
    filter: none;
    transition: none;
  }

  .hero::before {
    inset: 0;
    background:
      linear-gradient(180deg, rgba(16, 16, 17, 0.34), rgba(16, 16, 17, 0.54) 58%, #101011 92%),
      linear-gradient(90deg, rgba(16, 16, 17, 0.76), rgba(16, 16, 17, 0.16));
    opacity: 1;
  }

  .hero-wave-fallback .index-page .hero::before {
    background:
      linear-gradient(180deg, rgba(16, 16, 17, 0.4), #101011 82%),
      url("/assets/hero-bg-3d-ai-candidate.png") 68% center / cover no-repeat;
  }

  .hero-content {
    padding: 0;
  }

  .hero h1 {
    font-size: clamp(2.35rem, 11.2vw, 3.1rem);
  }

  .hero .subtitle {
    max-width: none;
    font-size: clamp(0.88rem, 4.2vw, 1.05rem);
    letter-spacing: -0.03em;
    white-space: nowrap;
  }

  .hero .lead {
    font-size: clamp(0.88rem, 3.9vw, 0.98rem);
    line-height: 1.62;
  }

  .hero .lead .hero-lead-line {
    display: inline;
  }

  .hero .lead .hero-lead-line + .hero-lead-line::before {
    content: " ";
  }

  .hero-actions {
    flex-wrap: nowrap;
    gap: clamp(0.42rem, 1.8vw, 0.62rem);
  }

  .hero-action {
    flex: 0 0 auto;
    gap: 0.34rem;
    min-width: 4.75rem;
    min-height: 2.18rem;
    padding: 0 0.66rem;
    font-size: 0.72rem;
    white-space: nowrap;
  }

  .hero-action i {
    font-size: 0.76rem;
  }

  .hero-action--download {
    padding: 0 0.66rem;
  }

  .portfolio-section-heading {
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .portfolio .portfolio-section-heading .portfolio-filters {
    width: 100%;
    margin-top: 0;
  }

  .portfolio .portfolio-section-heading .portfolio-filters li {
    padding: 0.42rem 0.58rem;
    font-size: 0.61rem;
  }

  .portfolio-project-link {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .portfolio-project-body {
    padding-top: 0;
  }

  .portfolio-project-cover {
    min-height: 0;
  }

  .portfolio-project-title {
    font-size: 1.05rem;
  }

  .portfolio-project-summary {
    font-size: 0.86rem;
  }

  .portfolio-evidence {
    margin-top: 2.2rem;
  }

  .portfolio-disclosure summary {
    min-height: 4.35rem;
    padding: 0.9rem 1rem;
  }

  .portfolio-disclosure-panel {
    padding: 0 1rem;
  }

  .portfolio-publication {
    grid-template-columns: 1fr;
    gap: 0.8rem;
    padding: 1.2rem 0 1.2rem 2rem;
  }

  .portfolio-publication::before {
    top: 1.27rem;
  }

  .portfolio-paper-links {
    justify-content: flex-start;
  }

  .portfolio-talk {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-wave-canvas {
    display: none;
    transition: none;
  }

  .hero .hero-content {
    opacity: 1;
    pointer-events: auto;
    -webkit-mask-image: none;
    mask-image: none;
    transition: none;
  }

  .scroll-down-arrow i {
    animation: none;
  }
}