:root {
  --ink: #14211f;
  --ink-soft: #344b47;
  --muted: #64736f;
  --paper: #f3f1e9;
  --surface: #fffdf8;
  --line: #d7d5ca;
  --teal: #0b756b;
  --teal-dark: #07584f;
  --mint: #d9eee8;
  --gold: #d8a23b;
  --night: #112622;
  --night-soft: #19332e;
  --radius: 20px;
  --shadow: 0 18px 50px rgba(20, 33, 31, .09);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--paper); color: var(--ink); }
a { color: inherit; text-underline-offset: 4px; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--gold); outline-offset: 4px; }
.container { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 30; top: -80px; left: 16px; padding: 12px 18px; background: var(--night); color: white; }
.skip-link:focus { top: 16px; }

/* Aurora neural: organic light flows and six independent curved node paths. */
.signal-field { position: fixed; z-index: 0; inset: 0; overflow: hidden; pointer-events: none; background: linear-gradient(145deg, #eef1e8, #dceee7 36%, #f4e7d2 72%, #e5f0eb); background-size: 180% 180%; animation: aurora-base 16s ease-in-out infinite; }
.signal-field::before { position: absolute; inset: -35%; border-radius: 38% 62% 47% 53% / 58% 42% 61% 39%; background: conic-gradient(from 210deg at 62% 45%, transparent 0 20%, rgba(11, 117, 107, .3) 31%, transparent 43% 54%, rgba(216, 162, 59, .24) 65%, transparent 76% 84%, rgba(37, 139, 132, .18) 92%, transparent); content: ""; filter: blur(38px); animation: aurora-turn 15s cubic-bezier(.45, .05, .3, 1) infinite; }
.signal-field::after { position: absolute; width: min(72vw, 880px); aspect-ratio: 1; top: -35vw; right: -10vw; border: 1px solid rgba(11, 117, 107, .25); border-radius: 44% 56% 63% 37% / 51% 42% 58% 49%; content: ""; box-shadow: 0 0 0 90px rgba(11, 117, 107, .055), 0 0 90px 170px rgba(216, 162, 59, .07); animation: aurora-orbit 13s cubic-bezier(.65, 0, .35, 1) infinite; }
.signal-field span { position: absolute; display: block; width: 16px; height: 16px; border: 4px solid rgba(255, 253, 248, .88); border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 1px rgba(11, 117, 107, .3), 0 0 42px 12px rgba(11, 117, 107, .25); }
.signal-field span::after { position: absolute; width: clamp(120px, 18vw, 260px); height: 1px; top: 3px; left: 10px; background: linear-gradient(90deg, rgba(11, 117, 107, .32), transparent); content: ""; transform-origin: left center; animation: beam-sweep 7s ease-in-out infinite alternate; }
.signal-field span:nth-child(1) { top: 17%; left: 8%; animation: aurora-node-a 14s cubic-bezier(.55, .05, .25, 1) infinite; }
.signal-field span:nth-child(2) { top: 38%; right: 12%; background: var(--gold); box-shadow: 0 0 0 1px rgba(216, 162, 59, .45), 0 0 42px 12px rgba(216, 162, 59, .25); animation: aurora-node-b 17s cubic-bezier(.45, 0, .3, 1) infinite; }
.signal-field span:nth-child(2)::after { left: auto; right: 10px; background: linear-gradient(90deg, transparent, rgba(216, 162, 59, .35)); transform-origin: right center; }
.signal-field span:nth-child(3) { bottom: 19%; left: 23%; animation: aurora-node-c 19s cubic-bezier(.4, .05, .2, 1) infinite; }
.signal-field span:nth-child(4) { right: 28%; bottom: 8%; background: var(--mint); animation: aurora-node-d 13s cubic-bezier(.65, 0, .3, 1) infinite; }
.signal-field span:nth-child(5) { top: 62%; right: 7%; background: var(--gold); animation: aurora-node-e 16s cubic-bezier(.5, .05, .25, 1) infinite; }
.signal-field span:nth-child(6) { top: 74%; left: 57%; animation: aurora-node-f 21s cubic-bezier(.4, 0, .2, 1) infinite; }
body > header, body > main, body > footer { position: relative; z-index: 1; }

@keyframes aurora-base { 0%, 100% { background-position: 0% 20%; } 35% { background-position: 80% 0%; } 68% { background-position: 100% 85%; } }
@keyframes aurora-turn { 0% { transform: rotate(-12deg) scale(.92) skewX(-4deg); } 28% { transform: rotate(18deg) scale(1.08) skewY(5deg); } 57% { transform: rotate(48deg) scale(.98) skewX(7deg); } 78% { transform: rotate(20deg) scale(1.13) skewY(-4deg); } 100% { transform: rotate(-12deg) scale(.92) skewX(-4deg); } }
@keyframes aurora-orbit { 0%, 100% { transform: translate3d(2vw, -1vw, 0) rotate(-8deg) scale(.9); border-radius: 44% 56% 63% 37% / 51% 42% 58% 49%; } 24% { transform: translate3d(-7vw, 6vw, 0) rotate(16deg) scale(1.08); } 52% { transform: translate3d(-2vw, 12vw, 0) rotate(38deg) scale(.96); border-radius: 61% 39% 42% 58% / 37% 63% 45% 55%; } 76% { transform: translate3d(5vw, 5vw, 0) rotate(12deg) scale(1.13); } }
@keyframes beam-sweep { 0% { opacity: .18; transform: rotate(-24deg) scaleX(.55); } 45% { opacity: .5; transform: rotate(18deg) scaleX(1.15); } 100% { opacity: .24; transform: rotate(54deg) scaleX(.78); } }
@keyframes aurora-node-a { 0%, 100% { transform: translate3d(0, 0, 0) scale(.8); } 22% { transform: translate3d(18vw, 5vh, 0) scale(1.4); } 51% { transform: translate3d(24vw, 24vh, 0) scale(.9); } 76% { transform: translate3d(5vw, 17vh, 0) scale(1.2); } }
@keyframes aurora-node-b { 0%, 100% { transform: translate3d(0, 0, 0) scale(1); } 26% { transform: translate3d(-9vw, 18vh, 0) scale(.7); } 48% { transform: translate3d(-27vw, 8vh, 0) scale(1.35); } 73% { transform: translate3d(-18vw, -12vh, 0) scale(.9); } }
@keyframes aurora-node-c { 0%, 100% { transform: translate3d(0, 0, 0) scale(.75); } 18% { transform: translate3d(13vw, -14vh, 0) scale(1.25); } 46% { transform: translate3d(31vw, -4vh, 0) scale(.85); } 72% { transform: translate3d(20vw, 16vh, 0) scale(1.5); } }
@keyframes aurora-node-d { 0%, 100% { transform: translate3d(0, 0, 0) scale(1.2); } 30% { transform: translate3d(-14vw, -18vh, 0) scale(.65); } 58% { transform: translate3d(-28vw, -7vh, 0) scale(1.1); } 82% { transform: translate3d(-8vw, 9vh, 0) scale(.85); } }
@keyframes aurora-node-e { 0%, 100% { transform: translate3d(0, 0, 0) scale(.85); } 25% { transform: translate3d(-16vw, 10vh, 0) scale(1.45); } 55% { transform: translate3d(-34vw, -8vh, 0) scale(.7); } 80% { transform: translate3d(-12vw, -20vh, 0) scale(1.15); } }
@keyframes aurora-node-f { 0%, 100% { transform: translate3d(0, 0, 0) scale(1); } 20% { transform: translate3d(14vw, -20vh, 0) scale(.7); } 49% { transform: translate3d(30vw, -9vh, 0) scale(1.35); } 74% { transform: translate3d(22vw, 15vh, 0) scale(.8); } }

.public-header { position: sticky; z-index: 10; top: 0; border-bottom: 1px solid rgba(215, 213, 202, .88); background: rgba(243, 241, 233, .9); backdrop-filter: blur(16px); }
.public-header__inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 22px; }
.brand { flex: 0 0 auto; font-size: 1.35rem; font-weight: 900; letter-spacing: -.06em; text-decoration: none; }
.brand span, .eyebrow { color: var(--teal); }
.portfolio-menu { margin-left: auto; }
.portfolio-menu summary { display: none; cursor: pointer; font-weight: 800; }
.portfolio-menu summary::-webkit-details-marker { display: none; }
.portfolio-menu nav { display: flex; align-items: center; gap: clamp(10px, 1.35vw, 20px); }
.portfolio-menu nav a { color: var(--ink-soft); font-size: .8rem; font-weight: 760; text-decoration: none; white-space: nowrap; }
.portfolio-menu nav a:hover { color: var(--teal); }
.portfolio-menu .private-link { padding: 7px 11px; border: 1px solid var(--line); border-radius: 999px; }

.portfolio-hero { position: relative; overflow: hidden; padding: clamp(84px, 13vw, 160px) 0 88px; }
.portfolio-hero__inner { max-width: 850px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(250px, .6fr); gap: clamp(40px, 8vw, 100px); align-items: end; }
.eyebrow { margin: 0 0 14px; font-size: .76rem; font-weight: 900; letter-spacing: .15em; text-transform: uppercase; }
h1, h2, h3, p { overflow-wrap: anywhere; }
.portfolio-hero h1 { max-width: 900px; margin: 0; font-size: clamp(3.7rem, 10vw, 8.8rem); letter-spacing: -.085em; line-height: .86; }
.hero-role { max-width: 820px; margin: 34px 0 18px; font-size: clamp(1.45rem, 3vw, 2.45rem); font-weight: 760; letter-spacing: -.035em; line-height: 1.15; }
.lead { max-width: 690px; color: var(--ink-soft); font-size: 1.1rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; padding: 10px 18px; border: 1px solid var(--ink); border-radius: 999px; font-weight: 800; text-decoration: none; }
.button--primary { border-color: var(--teal); background: var(--teal); color: white; }
.button--primary:hover { background: var(--teal-dark); }
.button--quiet { background: rgba(255, 253, 248, .58); }
.hero-aside { padding: 24px 0 4px; border-top: 1px solid var(--line); }
.hero-aside strong { display: block; margin-bottom: 10px; }
.hero-aside p { margin: 0; color: var(--muted); }

.proof { border-block: 1px solid var(--line); background: rgba(255, 253, 248, .78); backdrop-filter: blur(12px); }
.proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.proof-item { min-height: 150px; padding: 30px 24px; border-left: 1px solid var(--line); }
.proof-item:last-child { border-right: 1px solid var(--line); }
.proof-item strong { display: block; color: var(--teal); font-size: clamp(1.6rem, 3vw, 2.55rem); letter-spacing: -.05em; line-height: 1; }
.proof-item span { display: block; margin-top: 12px; color: var(--muted); font-size: .9rem; }

.portfolio-section { padding: 96px 0; scroll-margin-top: 76px; }
.portfolio-section--surface { border-block: 1px solid var(--line); background: rgba(255, 253, 248, .86); backdrop-filter: blur(14px); }
.portfolio-section--dark { background: rgba(17, 38, 34, .97); color: white; }
.portfolio-section--leisure { border-block: 1px solid #cbbf9f; background: rgba(232, 223, 201, .92); backdrop-filter: blur(14px); }
.section-heading { display: grid; grid-template-columns: .65fr 1.35fr; gap: 40px; align-items: end; margin-bottom: 54px; }
.section-heading h2 { max-width: 820px; margin: 0; font-size: clamp(2.6rem, 6vw, 5.4rem); letter-spacing: -.075em; line-height: .96; }
.section-heading p:last-child { max-width: 620px; margin: 0; color: var(--muted); }
.portfolio-section--dark .eyebrow { color: #82d5c9; }
.portfolio-section--dark .section-heading p:last-child { color: #b9cbc7; }
.portfolio-section--leisure .eyebrow { color: #8a5a08; }
.portfolio-section--leisure .section-heading p:last-child { color: #665d4d; }

.cases { display: grid; gap: 28px; }
.case-study { display: grid; grid-template-columns: 1.05fr .95fr; min-height: 430px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255, 253, 248, .94); box-shadow: var(--shadow); }
.case-study__copy { padding: clamp(28px, 5vw, 58px); }
.case-index { margin: 0 0 28px; color: var(--teal); font-size: .76rem; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
.case-study h3 { margin: 0 0 18px; font-size: clamp(2rem, 4vw, 3.5rem); letter-spacing: -.06em; line-height: 1; }
.case-summary { color: var(--ink-soft); font-size: 1.08rem; }
.case-study dl { display: grid; gap: 16px; margin: 30px 0 0; }
.case-study dl div { padding-top: 12px; border-top: 1px solid var(--line); }
dt { color: var(--muted); font-size: .73rem; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
dd { margin: 4px 0 0; }
.case-study__visual { display: flex; flex-direction: column; justify-content: space-between; padding: clamp(28px, 5vw, 54px); background: var(--night); color: white; }
.case-study:nth-child(even) .case-study__visual { order: -1; background: var(--teal-dark); }
.visual-label { color: #a9c9c3; font-size: .72rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.flow { display: grid; gap: 10px; margin-block: 32px; }
.flow span { padding: 13px 15px; border: 1px solid rgba(255, 255, 255, .22); border-radius: 10px; background: rgba(255, 255, 255, .05); }
.flow span + span::before { display: block; margin: -25px 0 14px 8px; color: #7fd4c7; content: "↓"; }
.stack { color: #b9cbc7; font-size: .84rem; }

.project-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.project-card { min-height: 300px; display: flex; flex-direction: column; padding: 30px; border: 1px solid rgba(255, 255, 255, .16); border-radius: 16px; background: var(--night-soft); }
.project-status { margin: 0 0 22px; color: #83d9cd; font-size: .72rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.project-card h3 { margin: 0 0 14px; font-size: 1.7rem; letter-spacing: -.04em; }
.project-card p { color: #c1d0cc; }
.project-card .stack { margin-top: auto; padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, .14); }
.portfolio-section--leisure .project-card { border-color: #cbbf9f; background: rgba(255, 253, 248, .72); color: var(--ink); }
.portfolio-section--leisure .project-card p { color: var(--ink-soft); }
.portfolio-section--leisure .project-status { color: #8a5a08; }
.portfolio-section--leisure .project-card .stack { border-color: #cbbf9f; color: var(--muted); }

.profile-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(40px, 8vw, 110px); }
.profile-copy h2 { margin: 0 0 28px; font-size: clamp(2.5rem, 5vw, 4.8rem); letter-spacing: -.07em; line-height: .98; }
.profile-copy p:not(.eyebrow) { color: var(--ink-soft); font-size: 1.08rem; }
.principles { display: grid; border-top: 1px solid var(--line); }
.principle { display: grid; grid-template-columns: 48px 1fr; gap: 14px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.principle b { color: var(--teal); }
.principle strong { display: block; }
.principle span { color: var(--muted); font-size: .92rem; }

.timeline { display: grid; border-top: 1px solid var(--line); }
.timeline article { display: grid; grid-template-columns: .5fr .7fr 1.3fr; gap: 26px; padding: 26px 0; border-bottom: 1px solid var(--line); }
.timeline time { color: var(--muted); font-size: .86rem; }
.timeline h3 { margin: 0; font-size: 1.1rem; }
.timeline p { margin: 0; color: var(--ink-soft); }

.skill-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.skill-card { padding: 26px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255, 253, 248, .82); }
.skill-card h3 { margin: 0 0 14px; font-size: 1rem; }
.skill-card p { margin: 0; color: var(--muted); }
.education-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 64px; }
.education-card { padding-top: 20px; border-top: 3px solid var(--teal); }
.education-card h3 { margin: 0 0 8px; }
.education-card p { margin: 5px 0; color: var(--muted); }

.contact-section { padding: 100px 0; background: var(--teal); color: white; }
.contact-inner { display: grid; grid-template-columns: 1.35fr .65fr; gap: 50px; align-items: end; }
.contact-section .eyebrow { color: #c8f0e9; }
.contact-section h2 { max-width: 850px; margin: 0; font-size: clamp(2.8rem, 7vw, 6.5rem); letter-spacing: -.075em; line-height: .94; }
.contact-section p { max-width: 650px; }
.contact-links { display: grid; gap: 10px; font-style: normal; }
.contact-links a { font-size: 1.1rem; font-weight: 800; }
.contact-links span { color: #d2eee9; }

.public-footer { padding: 28px 0; border-top: 1px solid var(--line); background: rgba(243, 241, 233, .9); color: var(--muted); font-size: .86rem; backdrop-filter: blur(12px); }
.public-footer__inner { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }

@media (max-width: 980px) {
  .portfolio-menu nav { gap: 9px; }
  .portfolio-menu nav a { font-size: .74rem; }
  .hero-grid, .section-heading, .profile-grid, .contact-inner { grid-template-columns: 1fr; }
  .proof-grid { grid-template-columns: repeat(2, 1fr); }
  .proof-item:nth-child(3), .proof-item:nth-child(4) { border-top: 1px solid var(--line); }
  .case-study { grid-template-columns: 1fr; }
  .case-study:nth-child(even) .case-study__visual { order: initial; }
  .skill-grid { grid-template-columns: repeat(2, 1fr); }
  .education-grid { grid-template-columns: 1fr; }
  .timeline article { grid-template-columns: .55fr 1fr; }
  .timeline article p { grid-column: 2; }
}

@media (max-width: 760px) {
  .portfolio-menu summary { display: block; }
  .portfolio-menu nav { display: none; position: absolute; top: 68px; right: 14px; width: min(310px, calc(100vw - 28px)); padding: 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); box-shadow: var(--shadow); }
  .portfolio-menu[open] nav { display: grid; }
  .portfolio-menu nav a { padding: 7px; font-size: .86rem; }
  .portfolio-menu .private-link { border: 0; border-radius: 0; }
}

@media (max-width: 560px) {
  .container { width: min(100% - 28px, 1180px); }
  .public-header__inner { min-height: 68px; }
  .portfolio-hero { padding-top: 78px; }
  .portfolio-hero h1 { font-size: clamp(3.2rem, 19vw, 5.4rem); }
  .proof-grid, .project-grid, .skill-grid { grid-template-columns: 1fr; }
  .proof-item { min-height: auto; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .proof-item:last-child { border-bottom: 0; }
  .portfolio-section { padding: 68px 0; }
  .section-heading { margin-bottom: 36px; }
  .case-study__copy, .case-study__visual { padding: 26px; }
  .timeline article { grid-template-columns: 1fr; gap: 8px; }
  .timeline article p { grid-column: 1; }
  .contact-section { padding: 70px 0; }
  .signal-field span::after { width: 90px; }
}

@media (max-width: 380px) {
  .portfolio-hero h1 { font-size: 3.05rem; }
  .hero-actions { align-items: stretch; }
  .hero-actions .button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .signal-field, .signal-field::before, .signal-field::after, .signal-field span, .signal-field span::after { animation: none !important; }
}