:root {
  --page: #ffffff;
  --surface: #ffffff;
  --soft: #e8f5fb;
  --section-about: #f3f8fb;
  --section-experience: #ffffff;
  --section-beyond: #f1f8fc;
  --section-contact: #ffffff;
  --ink: #1b1f23;
  --muted: #66727c;
  --line: #d9e8ef;
  --blue: #477fb4;
  --sky: #72c6ed;
  --sky-soft: #dff4fd;
  --teal: #9dd4e7;
  --navy: #1b1f23;
  --shadow: 0 22px 65px rgba(54, 112, 153, 0.14);
  --radius-xl: 34px;
  --radius-lg: 24px;
  --radius-md: 16px;
  --serif: "Noto Serif SC", "DM Serif Display", serif;
  --sans: "Noto Sans SC", "Inter", sans-serif;
}
[lang="en"] {
  --serif: "DM Serif Display", "Noto Serif SC", serif;
  --sans: "Inter", "Noto Sans SC", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 78% 8%, rgba(114, 198, 237, .11), transparent 23rem),
    var(--page);
  font-family: var(--sans);
  line-height: 1.75;
}
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 3px solid var(--sky); outline-offset: 4px; }
img { display: block; width: 100%; }
img {
  -webkit-user-drag: none;
  -webkit-touch-callout: none;
  user-select: none;
  pointer-events: none;
}

.site-header {
  position: fixed;
  z-index: 50;
  top: 0;
  left: 0;
  width: 100%;
  height: 72px;
  padding: 0 max(32px, calc((100vw - 1180px) / 2));
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { position: relative; font-family: var(--serif); font-size: 22px; font-weight: 700; }
.brand::after {
  content: ""; position: absolute; right: -9px; bottom: 5px; width: 5px; height: 5px;
  border-radius: 50%; background: var(--sky);
}
.desktop-nav { display: flex; gap: 42px; font-size: 14px; color: #4d5660; }
.desktop-nav a { position: relative; }
.desktop-nav a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -6px;
  height: 2px; background: var(--blue); transition: right .25s ease;
}
.desktop-nav a:hover::after, .desktop-nav a:focus-visible::after { right: 0; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.language-toggle {
  border: 0; border-radius: 999px; padding: 4px; background: var(--soft); cursor: pointer; display: flex;
}
.language-toggle span { padding: 5px 10px; border-radius: 999px; font: 600 12px/1 var(--sans); color: #778b9a; }
.language-toggle span.active { background: white; color: var(--blue); box-shadow: 0 3px 12px rgba(65,103,177,.16); }
.menu-toggle, .mobile-nav { display: none; }

.section-shell {
  width: min(1180px, calc(100% - 32px));
  margin-inline: auto;
}
.section-label {
  display: flex; gap: 18px; align-items: center; margin-bottom: 48px; color: #718696; font-size: 13px; letter-spacing: .15em;
}
.section-label::after { content: ""; height: 1px; flex: 1; background: var(--line); }
.section-label.dark::after { background: rgba(255,255,255,.14); }
h1, h2, h3, p { margin-top: 0; }
h1, h2 { font-family: var(--serif); letter-spacing: -.03em; line-height: 1.2; }
h2 { font-size: clamp(38px, 5vw, 66px); }
.eyebrow, .card-category, .modal-category { color: var(--blue); font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.button {
  min-height: 48px; padding: 0 24px; border: 1px solid transparent; border-radius: 999px;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; cursor: pointer; font-weight: 600; transition: .25s ease;
}
.button.primary { color: white; background: linear-gradient(135deg, var(--blue), #559ccc); box-shadow: 0 10px 24px rgba(71,127,180,.2); }
.button.primary:hover { background: var(--ink); transform: translateY(-2px); box-shadow: 0 14px 30px rgba(27,31,35,.16); }
.button.secondary { background: white; border-color: var(--line); }
.button.secondary:hover { border-color: var(--blue); color: var(--blue); transform: translateY(-2px); }

.hero {
  min-height: 100svh; padding: 150px 0 80px; background: transparent; display: grid; grid-template-columns: .95fr 1.05fr; gap: 7vw; align-items: center;
}
.hero-copy { position: relative; z-index: 4; }
.hero h1 { margin: 18px 0 24px; font-size: clamp(58px, 7vw, 94px); }
.hero h1 span { display: block; font-size: .55em; font-weight: 600; }
.hero h1 strong { position: relative; isolation: isolate; display: inline-block; }
.hero h1 strong::after {
  content: ""; position: absolute; z-index: -1; right: -8px; bottom: 8px; left: 8px; height: 15px;
  border-radius: 999px; background: var(--sky-soft); transform: rotate(-1deg);
}
.hero-position { max-width: 600px; margin-bottom: 16px; font-size: clamp(18px, 1.8vw, 22px); font-weight: 600; line-height: 1.55; white-space: nowrap; }
[lang="en"] .hero-position { max-width: 590px; white-space: normal; }
.hero-intro { max-width: 600px; color: var(--muted); }
.hero-actions { display: flex; gap: 12px; margin-top: 34px; }
.cv-menu { position: relative; }
.cv-trigger { padding-right: 18px; }
.cv-chevron {
  width: 18px; height: 18px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(255,255,255,.14); transition: transform .25s cubic-bezier(.2,.75,.25,1), background-color .25s ease;
}
.cv-chevron::before {
  content: ""; width: 5px; height: 5px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor;
  transform: translateY(-1px) rotate(45deg);
}
.cv-trigger:hover .cv-chevron { background: rgba(255,255,255,.2); }
.cv-menu.open .cv-chevron { transform: rotate(180deg); }
.cv-options {
  position: absolute; z-index: 10; top: calc(100% + 10px); left: 0; min-width: 210px; padding: 0;
  border: 1px solid var(--line); border-radius: 16px; background: white; box-shadow: var(--shadow);
  overflow: hidden; opacity: 0; visibility: hidden; transform: translateY(-8px); transition: .2s ease;
}
.cv-menu.open .cv-options { opacity: 1; visibility: visible; transform: translateY(0); }
.cv-options a { min-height: 62px; padding: 0 18px; display: flex; align-items: center; gap: 12px; font-size: 15px; }
.cv-options a + a { border-top: 1px solid var(--line); }
.cv-options a:hover { background: var(--soft); }
.cv-option-icon { width: 24px; flex: 0 0 24px; font-size: 18px; line-height: 1; text-align: center; }
.cv-globe { font-size: 19px; }

.photo-stack {
  position: relative; width: 100%; aspect-ratio: .95; border: 0; background: none; cursor: pointer;
  isolation: isolate;
}
.photo-card {
  position: absolute; inset: 7% 12%; overflow: hidden; border: 8px solid rgba(255,255,255,.9); border-radius: 32px;
  background: white; box-shadow: var(--shadow); transition: transform .55s cubic-bezier(.2,.75,.25,1), opacity .4s ease, box-shadow .35s ease;
}
.photo-card img { height: 100%; object-fit: cover; }
.photo-main { z-index: 4; transform: rotate(.8deg); }
.photo-main img {
  position: absolute;
  inset: 0;
  height: 100%;
  object-fit: cover;
  object-position: 50% 18%;
  transition: opacity 1s ease, transform 1s cubic-bezier(.2,.75,.25,1);
}
.photo-main-primary { opacity: 1; }
.photo-main-alternate { opacity: 0; transform: scale(1.018); }
.photo-team { z-index: 1; transform: translate(-1.8%, -1.6%) rotate(-2.2deg) scale(.995); }
.photo-hosting { z-index: 3; transform: translate(1.8%, -1.6%) rotate(2.2deg) scale(.995); }
.photo-hosting img { object-position: 50% 56%; }
.photo-life { z-index: 2; transform: translate(0, 1.8%) rotate(0deg) scale(.995); }
.photo-life img { object-position: 59% 58%; }
.photo-hint {
  position: absolute; z-index: 8; right: 7%; bottom: 4%; padding: 8px 13px; border-radius: 999px;
  color: var(--blue); background: rgba(255,255,255,.92); box-shadow: 0 10px 30px rgba(65,103,177,.16); font-size: 12px; font-weight: 600;
  transition: transform .25s ease, color .25s ease, background .25s ease;
}
.photo-stack:hover .photo-main { transform: translateY(-4px) rotate(.8deg); box-shadow: 0 30px 76px rgba(54,112,153,.2); }
.photo-main:hover .photo-main-primary, .photo-stack.expanded .photo-main-primary { opacity: .18; transform: scale(1.012); }
.photo-main:hover .photo-main-alternate, .photo-stack.expanded .photo-main-alternate { opacity: 1; transform: scale(1); }
.photo-stack:not(.expanded):hover .photo-team { transform: translate(-2.6%, -2.1%) rotate(-3deg) scale(.998); }
.photo-stack:not(.expanded):hover .photo-hosting { transform: translate(2.6%, -2.1%) rotate(3deg) scale(.998); }
.photo-stack:not(.expanded):hover .photo-life { transform: translate(0, 2.6%) rotate(0deg) scale(.998); }
.photo-stack:hover .photo-hint { color: white; background: var(--blue); transform: translateY(-2px); }
.photo-stack.expanded:hover .photo-main { transform: translate(-8%, 3%) rotate(1deg) scale(.76); }
.photo-stack.expanded .photo-main { transform: translate(-8%, 3%) rotate(1deg) scale(.76); }
.photo-stack.expanded .photo-team { transform: translate(-34%, -13%) rotate(-8deg) scale(.7); }
.photo-stack.expanded .photo-hosting { transform: translate(48%, -18%) rotate(8deg) scale(.67); }
.photo-stack.expanded .photo-life { transform: translate(45%, 28%) rotate(5deg) scale(.61); }

.about, .experience, .contact { padding: 110px 0; }
.about {
  padding-top: 110px; padding-bottom: 110px; background: var(--section-about);
  box-shadow: 0 0 0 100vmax var(--section-about); clip-path: inset(0 -100vmax);
}
.about-copy h2 { position: relative; }
.about-copy h2::after {
  content: ""; display: block; width: 56px; height: 5px; margin-top: 24px;
  border-radius: 999px; background: linear-gradient(90deg, var(--blue), var(--sky));
}
.about-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: 7vw; }
.about-copy h2 { font-size: clamp(38px, 4.4vw, 61px); }
.about-text { max-width: 610px; margin-top: 34px; color: var(--muted); display: grid; gap: 26px; }
.about-note {
  padding: 0;
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  column-gap: 12px;
  align-items: baseline;
}
.about-note-index {
  color: var(--blue);
  font: 700 15px/1.4 "Inter", var(--sans);
  letter-spacing: .04em;
}
.about-note > div {
  min-width: 0;
}
.about-note h3 {
  margin: 0 0 6px;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -.01em;
}
.about-note p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}
.dual-timeline {
  position: relative; min-height: 510px; display: grid;
  grid-template-columns: minmax(0, 1fr) 48px minmax(0, 1fr);
  grid-template-rows: 62px repeat(4, 1fr); column-gap: 18px; row-gap: 8px;
}
.timeline-head { align-self: start; }
.timeline-head small { color: var(--blue); font: 700 10px/1.2 "Inter", sans-serif; letter-spacing: .14em; }
.timeline-head h3 { margin: 4px 0 0; font-size: 18px; }
.timeline-head-education { grid-column: 1; grid-row: 1; text-align: right; }
.timeline-head-internship { grid-column: 3; grid-row: 1; }
.timeline-axis {
  position: relative; z-index: 1; grid-column: 2; grid-row: 1 / -1; justify-self: center; width: 2px;
  margin: 12px 0; border-radius: 999px; background: linear-gradient(#cbddea, var(--sky), #cbddea);
}
.timeline-card {
  position: relative; z-index: 2; align-self: center; min-height: 96px; padding: 14px 16px;
  border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.92); box-shadow: 0 12px 32px rgba(65,103,177,.07);
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.timeline-card:hover { transform: translateY(-3px); border-color: #c6e5f2; box-shadow: 0 17px 36px rgba(65,103,177,.11); }
.timeline-card::before {
  content: ""; position: absolute; top: 50%; width: 20px; height: 1px; background: #c6d7e5;
}
.timeline-card::after {
  content: ""; position: absolute; top: calc(50% - 5px); width: 10px; height: 10px;
  border: 3px solid white; border-radius: 50%; background: var(--sky); box-shadow: 0 0 0 2px #b7ddea;
}
.timeline-left { grid-column: 1; text-align: right; }
.timeline-left::before { right: -20px; }
.timeline-left::after { right: -47px; }
.timeline-right { grid-column: 3; }
.timeline-right::before { left: -20px; }
.timeline-right::after { left: -47px; }
.timeline-row-1 { grid-row: 2; }
.timeline-row-2 { grid-row: 3; }
.timeline-row-3 { grid-row: 4; }
.timeline-row-4 { grid-row: 5; }
.timeline-card-copy { min-width: 0; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; }
.timeline-left .timeline-card-copy { align-items: flex-end; }
.timeline-logo {
  width: 52px; height: 52px; flex: 0 0 52px; padding: 5px; overflow: hidden;
  border: 1px solid var(--line); border-radius: 12px; background: white; box-shadow: 0 7px 18px rgba(65,103,177,.1);
  display: grid; place-items: center;
}
.timeline-logo img { width: 100%; height: 100%; object-fit: contain; }
.timeline-logo-seal img { width: 42px; height: 42px; }
.timeline-logo-word { padding: 7px 4px; }
.timeline-logo-word img { width: 100%; height: auto; max-height: 38px; }
.timeline-card time { margin-bottom: 5px; color: var(--blue); font: 600 11px/1.5 "Inter", sans-serif; }
.timeline-card strong { font-size: 16px; line-height: 1.5; }
.timeline-card span { color: var(--muted); font-size: 13px; line-height: 1.6; }
.tag-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 34px; }
.tag-list span { padding: 8px 16px; border: 1px solid var(--line); border-radius: 999px; color: #536579; font-size: 13px; }
.tag-list span:nth-child(-n+3) { color: white; border-color: var(--blue); background: var(--blue); }
.tag-list span { transition: transform .2s ease, border-color .2s ease, background .2s ease; }
.tag-list span:hover { transform: translateY(-2px); border-color: var(--sky); background: white; }
.tag-list span:nth-child(-n+3):hover { color: white; background: #559ccc; }

.section-heading { display: flex; justify-content: space-between; gap: 60px; align-items: end; margin-bottom: 50px; }
.section-heading h2 { margin-bottom: 0; }
.section-heading p { max-width: 560px; margin-bottom: 6px; color: var(--muted); }
.experience {
  background: var(--section-experience);
  box-shadow: 0 0 0 100vmax var(--section-experience); clip-path: inset(0 -100vmax);
}
.experience-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.experience-card {
  position: relative; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); box-shadow: 0 16px 50px rgba(65,103,177,.07);
  overflow: hidden; transition: transform .28s ease, border-color .28s ease, box-shadow .28s ease;
}
.experience-card::before {
  content: ""; position: absolute; top: 0; right: 28px; left: 28px; height: 3px;
  border-radius: 0 0 999px 999px; background: linear-gradient(90deg, var(--blue), var(--sky));
  opacity: 0; transform: scaleX(.7); transition: opacity .28s ease, transform .28s ease;
}
.experience-card:hover { transform: translateY(-6px); border-color: #c8e5f1; box-shadow: 0 24px 58px rgba(54,112,153,.13); }
.experience-card:hover::before { opacity: 1; transform: scaleX(1); }
.experience-card-top { min-height: 92px; margin-bottom: 28px; display: flex; align-items: center; gap: 18px; }
.app-visual {
  width: 88px; height: 88px; flex: 0 0 88px; overflow: hidden; border: 1px solid #cddde8; border-radius: 20px;
  display: grid; place-items: center; background: radial-gradient(circle at 30% 20%, #fff 0, var(--soft) 72%, #cbddea 100%);
  box-shadow: 0 12px 28px rgba(65,103,177,.13); transition: transform .3s ease, box-shadow .3s ease;
}
.experience-card:hover .app-visual { transform: rotate(-2deg) scale(1.03); box-shadow: 0 15px 32px rgba(65,103,177,.18); }
.app-transsion { background: radial-gradient(circle at 30% 20%, #fff 0, var(--soft) 58%, #cbddea 100%); }
.app-visual img { width: 100%; height: 100%; border-radius: 19px; object-fit: cover; box-shadow: none; }
.card-meta { min-width: 0; }
.card-index { color: #9aadc0; font: 500 11px/1 "Inter", sans-serif; letter-spacing: .15em; }
.card-category { margin: 9px 0 0; line-height: 1.5; }
.experience-card h3 { margin: 7px 0 8px; font-family: var(--serif); font-size: 25px; }
.experience-card > p:not(.card-category) { color: var(--muted); }
.experience-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 22px; }
.experience-tags span {
  padding: 5px 10px; border: 1px solid #cadce8; border-radius: 999px; color: #536579; background: #f8fbfd; font-size: 11px;
}
.experience-metrics {
  margin-top: 20px; padding: 17px 15px; border: 1px solid rgba(114,198,237,.2); border-radius: 16px; background: linear-gradient(135deg, var(--soft), #f7fcfe);
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px;
}
.experience-metrics div + div { border-left: 1px solid #bfd4e3; padding-left: 12px; }
.experience-metrics strong { display: block; color: var(--ink); font: 700 18px/1.35 "Inter", var(--sans); }
.experience-metrics span { display: block; margin-top: 4px; color: var(--muted); font-size: 10px; line-height: 1.5; }
.card-footer { margin-top: 26px; padding-top: 20px; border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.card-footer time { color: var(--muted); font: 500 12px/1 "Inter", sans-serif; }
.case-open {
  min-height: 34px; padding: 0 2px 0 0; border: 0; background: none; color: var(--blue); cursor: pointer;
  display: inline-flex; align-items: center; gap: 9px; font-weight: 600; transition: color .25s ease;
}
.case-open-icon {
  position: relative; width: 26px; height: 26px; flex: 0 0 26px; border-radius: 50%;
  color: var(--blue); background: var(--soft); transition: color .25s ease, background-color .25s ease, transform .25s cubic-bezier(.2,.75,.25,1);
}
.case-open-icon::before {
  content: ""; position: absolute; top: 12px; left: 8px; width: 10px; height: 1.5px; border-radius: 999px;
  background: currentColor; transform: rotate(-45deg);
}
.case-open-icon::after {
  content: ""; position: absolute; top: 7px; right: 7px; width: 6px; height: 6px;
  border-top: 1.5px solid currentColor; border-right: 1.5px solid currentColor;
}
.case-open:hover, .case-open:focus-visible { color: var(--ink); }
.case-open:hover .case-open-icon, .case-open:focus-visible .case-open-icon {
  color: white; background: var(--blue); transform: translate(2px, -2px);
}
.case-open:active .case-open-icon { transform: translate(1px, -1px) scale(.94); }

.beyond { padding: 110px 0; color: var(--ink); background: var(--section-beyond); }
.beyond .section-label { color: #718696; }
.beyond .section-label.dark::after { background: var(--line); }
.beyond-heading { margin-bottom: 48px; }
.beyond-heading h2 { max-width: 760px; margin-bottom: 0; }
.beyond-heading p { max-width: 560px; margin: 0 0 6px; color: #566773; }
.photo-wall { display: grid; grid-template-columns: repeat(6, 1fr); grid-auto-rows: 240px; gap: 12px; }
.wall-card {
  position: relative; isolation: isolate; grid-column: span 2; overflow: hidden; border-radius: 20px;
  background: #2c3540; cursor: pointer; box-shadow: 0 12px 34px rgba(54,112,153,.09);
  transition: transform .35s cubic-bezier(.2,.75,.25,1), box-shadow .35s ease;
}
.wall-card:nth-child(4), .wall-card:nth-child(5) { grid-column: span 3; }
.wall-card::after {
  content: ""; position: absolute; z-index: 1; inset: 0; pointer-events: none;
  background: linear-gradient(to top, rgba(9,17,25,.88) 0%, rgba(9,17,25,.5) 38%, rgba(9,17,25,.08) 72%, transparent 100%);
  transition: background .35s ease;
}
.wall-card img {
  height: 100%; object-fit: cover; filter: brightness(.9) saturate(.92);
  transition: transform .6s cubic-bezier(.2,.75,.25,1), filter .4s ease;
}
.wall-card > div {
  position: absolute; z-index: 2; inset: 0; padding: 28px 30px; display: flex; flex-direction: column; justify-content: flex-end;
  transform: translateY(43px); transition: transform .35s cubic-bezier(.2,.75,.25,1);
}
.wall-card h3 {
  margin: 0; color: #f7fafc; font-family: var(--serif); font-size: clamp(23px, 2vw, 28px); line-height: 1.25;
  text-shadow: 0 2px 12px rgba(0,0,0,.34);
}
.wall-card p {
  max-width: 46ch; margin: 9px 0 0; color: #eef5f8; font-size: 13px; line-height: 1.65; opacity: 0;
  text-shadow: 0 1px 8px rgba(0,0,0,.32); transition: opacity .3s ease;
}
.wall-volunteer p, .wall-friends p { max-width: none; white-space: nowrap; }
.wall-card:hover, .wall-card:focus-visible, .wall-card.active { transform: translateY(-3px); box-shadow: 0 20px 48px rgba(42,85,115,.18); }
.wall-card:hover::after, .wall-card:focus-visible::after, .wall-card.active::after {
  background: linear-gradient(to top, rgba(9,17,25,.94) 0%, rgba(9,17,25,.62) 44%, rgba(9,17,25,.14) 76%, transparent 100%);
}
.wall-card:hover img, .wall-card:focus-visible img, .wall-card.active img { transform: scale(1.045); filter: brightness(.76) saturate(.88); }
.wall-card:hover > div, .wall-card:focus-visible > div, .wall-card.active > div { transform: translateY(0); }
.wall-card:hover p, .wall-card:focus-visible p, .wall-card.active p { opacity: 1; }
.wall-card:focus-visible { outline-color: var(--blue); outline-offset: 5px; }
.wall-hosting img { object-position: center 65%; }
.wall-modeling img {
  object-position: center 36%;
  transform-origin: center 36%;
}
.wall-travel img { object-position: center 58%; }
.wall-volunteer img { object-position: center 20%; }
.wall-friends img {
  object-position: center 18%;
  transform-origin: center 18%;
}

.contact {
  padding-top: 110px; padding-bottom: 42px;
  background: var(--section-contact);
  box-shadow: 0 0 0 100vmax var(--section-contact); clip-path: inset(0 -100vmax);
}
.contact .section-label { margin-bottom: 16px; }
.contact h2 { margin-bottom: 24px; font-size: clamp(34px, 4.2vw, 54px); white-space: nowrap; }
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(48px, 6vw, 86px); align-items: start; }
.contact-copy { padding-top: 14px; }
.contact-copy > p { max-width: 390px; color: var(--muted); }
.contact-copy .contact-welcome {
  margin: 0 0 8px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(25px, 2.2vw, 34px);
  font-weight: 700;
  line-height: 1.35;
}
.contact-copy .contact-intro { margin: 0; font-size: 15px; line-height: 1.8; }
.contact-links { margin-top: 22px; }
.email-link {
  position: relative; display: inline-flex; align-items: center; gap: 11px; min-height: 48px;
  padding: 4px 0; color: var(--muted);
}
.email-icon {
  width: 44px; height: 44px; padding: 7px; border: 1px solid var(--line); border-radius: 13px;
  background: white; box-shadow: 0 12px 32px rgba(65,103,177,.12); display: grid; place-items: center;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.email-icon img { width: 100%; height: 100%; object-fit: contain; }
.email-label { font-size: 15px; transition: color .25s ease; }
.email-address {
  padding: 7px 13px; border-radius: 999px; background: var(--ink); color: white;
  font: 600 12px/1.5 "Inter", var(--sans); opacity: 0; visibility: hidden; transform: translateX(-8px);
  transition: opacity .25s ease, visibility .25s ease, transform .25s ease;
}
.email-link:hover .email-icon, .email-link:focus-visible .email-icon { transform: translateY(-3px) rotate(-2deg); border-color: var(--sky); box-shadow: 0 16px 38px rgba(65,103,177,.18); }
.email-link:hover .email-label, .email-link:focus-visible .email-label { color: var(--ink); }
.email-link:hover .email-address, .email-link:focus-visible .email-address { opacity: 1; visibility: visible; transform: translateX(0); }
.contact-form {
  padding: 20px; border-radius: 16px; background: #f3f8fb;
}
.contact-form-heading { margin-bottom: 16px; display: flex; align-items: baseline; justify-content: space-between; gap: 18px; }
.contact-form-heading h3 { margin: 0; font-family: var(--serif); font-size: 22px; line-height: 1.35; }
.contact-form-heading .reply-note { flex: 0 0 auto; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form label { display: block; margin-bottom: 12px; color: #506270; font-size: 12px; font-weight: 600; }
.contact-form input, .contact-form textarea {
  width: 100%; margin-top: 5px; padding: 10px 14px; border: 1px solid #bdd4e2; border-radius: 12px; outline: none; color: var(--ink); background: white;
  font-size: 14px; transition: border-color .25s ease, box-shadow .25s ease;
}
.contact-form input { min-height: 44px; }
.contact-form textarea { min-height: 126px; resize: vertical; }
.contact-form input::placeholder, .contact-form textarea::placeholder { color: #687b89; opacity: .82; }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(65,103,177,.13); }
.form-actions { min-height: 42px; margin-top: 2px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.reply-note { margin: 0; color: #627583; font-size: 11px; line-height: 1.5; }
.form-status { min-height: 16px; margin: 0; color: var(--blue); font-size: 11px; line-height: 1.5; }
.contact-form .button { min-height: 42px; padding-inline: 19px 15px; font-size: 13px; }
.contact-submit-icon {
  position: relative; width: 22px; height: 22px; flex: 0 0 22px; border-radius: 50%; background: rgba(255,255,255,.16);
  transition: transform .25s cubic-bezier(.2,.75,.25,1), background-color .25s ease;
}
.contact-submit-icon::before {
  content: ""; position: absolute; top: 10px; left: 7px; width: 8px; height: 1.5px; border-radius: 999px;
  background: currentColor; transform: rotate(-45deg);
}
.contact-submit-icon::after {
  content: ""; position: absolute; top: 6px; right: 6px; width: 5px; height: 5px; border-top: 1.5px solid currentColor; border-right: 1.5px solid currentColor;
}
.contact-submit:hover .contact-submit-icon { transform: translate(2px, -2px); background: rgba(255,255,255,.24); }
.contact-submit:disabled { cursor: wait; opacity: .72; transform: none; }
.contact-submit:disabled .contact-submit-icon { transform: none; }
footer { margin-top: 22px; padding-top: 12px; border-top: 1px solid rgba(27,31,35,.13); color: var(--muted); font-size: 12px; text-align: center; }

.case-modal {
  width: min(880px, calc(100% - 32px)); max-height: calc(100dvh - 32px); padding: 34px 38px 32px; border: 0; border-radius: 28px;
  color: var(--ink); background: white; box-shadow: 0 30px 100px rgba(27,31,35,.3); overflow-x: hidden; overflow-y: auto;
}
.case-modal::backdrop { background: rgba(27,31,35,.62); backdrop-filter: blur(8px); }
.modal-close {
  position: absolute; top: 16px; right: 16px; width: 36px; height: 36px; border: 0; border-radius: 50%;
  color: var(--muted); background: var(--soft); cursor: pointer; font-size: 22px;
}
.modal-category { margin-bottom: 6px; }
.modal-title { max-width: calc(100% - 52px); margin: 0 0 2px; font-size: clamp(28px, 3.5vw, 38px); }
.modal-subtitle { margin-bottom: 0; color: var(--muted); }
.metric-grid {
  margin: 22px 0; padding: 18px 20px; border-radius: 18px; background: var(--soft);
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px;
}
.metric-grid strong { display: block; font: 700 22px/1.2 "Inter", sans-serif; }
.metric-grid span { display: block; margin-top: 4px; color: var(--muted); font-size: 11px; line-height: 1.4; }
.modal-list { margin: 0; padding-left: 20px; color: var(--muted); }
.modal-list li { margin: 7px 0; padding-left: 5px; line-height: 1.55; }
.modal-list li::marker { color: var(--blue); }
.modal-insight {
  margin: 22px 0 0; padding: 14px 16px; border-left: 3px solid var(--blue); border-radius: 0 14px 14px 0;
  color: #30485a; background: var(--soft); font-family: var(--sans); font-size: 15px; font-weight: 600; line-height: 1.65;
  white-space: normal; overflow-wrap: anywhere;
}

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .68s ease, transform .68s cubic-bezier(.2,.75,.25,1); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.experience-card:nth-child(2).reveal, .wall-card:nth-child(2).reveal, .wall-card:nth-child(4).reveal { transition-delay: .08s; }
.wall-card:nth-child(3).reveal, .wall-card:nth-child(5).reveal { transition-delay: .14s; }

@media (max-width: 900px) {
  .desktop-nav { display: none; }
  .menu-toggle { width: 34px; height: 34px; border: 0; background: transparent; display: grid; place-content: center; gap: 6px; }
  .menu-toggle span { width: 18px; height: 1.5px; background: var(--ink); transition: .25s ease; }
  .mobile-nav {
    position: absolute; top: 72px; right: 16px; width: 210px; padding: 12px; border: 1px solid var(--line); border-radius: 20px; background: white; box-shadow: var(--shadow);
    display: flex; flex-direction: column; opacity: 0; visibility: hidden; transform: translateY(-8px); transition: .2s ease;
  }
  .mobile-nav.open { opacity: 1; visibility: visible; transform: translateY(0); }
  .mobile-nav a { padding: 10px 12px; border-radius: 10px; }
  .mobile-nav a:hover { background: var(--soft); }
  .hero { min-height: auto; padding-top: 135px; grid-template-columns: 1fr; }
  .photo-stack { max-width: 640px; margin: 0 auto; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .contact h2 { white-space: normal; }
  .dual-timeline { margin-top: 40px; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 10px; }
  .photo-wall { grid-template-columns: 1fr 1fr; grid-auto-rows: 270px; }
  .wall-card, .wall-card:nth-child(4), .wall-card:nth-child(5) { grid-column: span 1; }
  .wall-friends { grid-column: span 2 !important; }
}

@media (max-width: 620px) {
  .site-header { top: 0; width: 100%; height: 60px; padding: 0 14px; }
  .mobile-nav { top: 60px; right: 10px; }
  .brand { font-size: 18px; }
  .language-toggle span { padding: 5px 8px; }
  .section-shell { width: min(100% - 24px, 1180px); }
  .section-label { margin-bottom: 32px; }
  .hero { padding-top: 105px; gap: 38px; }
  .hero h1 { font-size: 58px; }
  .hero-position { font-size: 18px; }
  .hero-position { white-space: normal; }
  .hero-actions { flex-wrap: wrap; }
  .photo-stack { aspect-ratio: .9; }
  .photo-card { inset: 5% 8%; border-width: 5px; border-radius: 22px; }
  .photo-stack.expanded .photo-main { transform: translate(-7%, 6%) rotate(1deg) scale(.72); }
  .photo-stack.expanded .photo-team { transform: translate(-24%, -20%) rotate(-8deg) scale(.58); }
  .photo-stack.expanded .photo-hosting { transform: translate(32%, -20%) rotate(8deg) scale(.58); }
  .photo-stack.expanded .photo-life { transform: translate(28%, 31%) rotate(5deg) scale(.54); }
  .about, .experience { padding-top: 80px; padding-bottom: 80px; }
  .contact { padding-top: 80px; padding-bottom: 38px; }
  .about { padding-inline: 0; }
  .about-copy h2 { font-size: 36px; }
  .about-text { gap: 22px; }
  .about-note { grid-template-columns: max-content minmax(0, 1fr); column-gap: 10px; }
  .dual-timeline {
    min-height: auto; grid-template-columns: 20px 1fr; grid-template-rows: auto;
    gap: 16px 12px;
  }
  .timeline-head { display: none; }
  .timeline-axis {
    display: block; grid-column: 1; grid-row: 1 / 5; width: 2px; height: auto; margin: 0; justify-self: center;
  }
  .timeline-card, .timeline-left, .timeline-right {
    grid-column: 2; min-height: 96px; text-align: left; justify-content: flex-start;
  }
  .timeline-left .timeline-card-copy, .timeline-right .timeline-card-copy { align-items: flex-start; }
  .timeline-right .timeline-logo { order: -1; }
  .timeline-row-1 { grid-row: 1; }
  .timeline-row-2 { grid-row: 2; }
  .timeline-row-3 { grid-row: 3; }
  .timeline-row-4 { grid-row: 4; }
  .timeline-card::before, .timeline-left::before, .timeline-right::before { left: -12px; right: auto; width: 12px; }
  .timeline-card::after, .timeline-left::after, .timeline-right::after { left: -38px; right: auto; }
  .experience-grid, .field-row { grid-template-columns: 1fr; }
  .experience-card { padding: 20px; }
  .experience-card-top { min-height: 72px; margin-bottom: 22px; gap: 14px; }
  .app-visual { width: 68px; height: 68px; flex-basis: 68px; border-radius: 16px; }
  .app-visual img { border-radius: 15px; }
  .experience-metrics { gap: 6px; padding: 13px 10px; }
  .experience-metrics div + div { padding-left: 7px; }
  .experience-metrics strong { font-size: 15px; }
  .card-footer { align-items: flex-start; flex-direction: column; }
  .beyond { padding: 80px 0; }
  .photo-wall { grid-template-columns: 1fr; grid-auto-rows: 390px; }
  .wall-card, .wall-card:nth-child(4), .wall-card:nth-child(5), .wall-friends { grid-column: span 1 !important; }
  .wall-card > div { padding: 24px; transform: none; }
  .wall-card p { opacity: 1; }
  .wall-volunteer p, .wall-friends p { white-space: normal; }
  .contact h2 { margin-bottom: 22px; }
  .email-link { flex-wrap: wrap; }
  .email-address { opacity: 1; visibility: visible; transform: none; }
  .contact-form { padding: 18px 16px; }
  .contact-form-heading h3 { font-size: 22px; }
  .contact-form-heading { align-items: flex-start; flex-direction: column; gap: 3px; }
  .form-actions { align-items: flex-start; flex-direction: column; gap: 10px; }
  .contact-submit { align-self: flex-start; }
  .case-modal { width: calc(100% - 20px); max-height: calc(100dvh - 20px); padding: 30px 18px 20px; border-radius: 22px; }
  .modal-title { font-size: 27px; }
  .metric-grid { padding: 14px 10px; gap: 6px; }
  .metric-grid strong { font-size: 18px; }
  .metric-grid span { font-size: 10px; }
  .modal-list { padding-left: 17px; font-size: 14px; }
  .modal-insight { padding: 12px 14px; font-size: 14px; }
  footer { margin-top: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}
