/* =========================================================
   TOKENS
========================================================= */
:root{
  --bg: #F3F2EE;
  --surface: #FFFFFF;
  --ink: #1A1D1B;
  --ink-soft: #4B534E;
  --muted: #6F776F;
  --line: #DAD8D0;
  --accent: #1F5F5B;
  --accent-ink: #F3F2EE;
  --gold: #A9822E;

  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --max: 1180px;
  --gutter: clamp(20px, 5vw, 64px);
  --radius: 3px;
  --dur: 220ms;
  --ease: cubic-bezier(.4,0,.2,1);
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

body{
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3{
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.15;
  margin: 0;
  color: var(--ink);
}

p{ margin: 0 0 1em; color: var(--ink-soft); max-width: 62ch; }

a{ color: inherit; text-decoration: none; }

ul{ margin: 0; padding: 0; list-style: none; }

img{ max-width: 100%; display: block; }

.sr-only{
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.skip-link{
  position: absolute; left: -999px; top: 0;
  background: var(--ink); color: var(--bg);
  padding: 10px 16px; z-index: 200;
}
.skip-link:focus{ left: 16px; top: 16px; }

:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* =========================================================
   LAYOUT HELPERS
========================================================= */
.section-inner, .header-inner, .footer-inner{
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.section{ padding: clamp(64px, 10vw, 120px) 0; }
.section-alt{ background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.section-head{
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: clamp(32px, 5vw, 56px);
}

.index-mark{
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--gold);
  letter-spacing: 0.02em;
}

.section-head h2{
  font-size: clamp(1.6rem, 3vw, 2.1rem);
}

/* =========================================================
   BUTTONS
========================================================= */
.btn{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 500;
  border: 1px solid transparent;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
  cursor: pointer;
}
.btn-primary{
  background: var(--accent);
  color: var(--accent-ink);
}
.btn-primary:hover{ background: #174b47; }
.btn-primary:active{ transform: translateY(1px); }

.btn-ghost{
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-ghost:hover{ background: var(--ink); color: var(--bg); }

.btn-nav{ padding: 9px 18px; font-size: 0.85rem; }

/* =========================================================
   HEADER / NAV
========================================================= */
.site-header{
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(243,242,238,0.9);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
}

.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
  gap: 24px;
}

.brand{
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 600;
  white-space: nowrap;
}

.main-nav ul{
  display: flex;
  gap: clamp(14px, 2vw, 28px);
}

.main-nav a{
  font-size: 0.92rem;
  color: var(--ink-soft);
  padding: 4px 2px;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.main-nav a:hover, .main-nav a:focus-visible{
  color: var(--ink);
  border-bottom-color: var(--gold);
}

.nav-toggle{
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
}
.nav-toggle-bar{
  display: block;
  height: 1.5px;
  width: 18px;
  margin: 0 auto;
  background: var(--ink);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1){ transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2){ opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3){ transform: translateY(-6.5px) rotate(-45deg); }

@media (max-width: 900px){
  .main-nav{
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--dur) var(--ease);
  }
  .main-nav.is-open{ max-height: 480px; }
  .main-nav ul{
    flex-direction: column;
    padding: 8px var(--gutter) 20px;
    gap: 4px;
  }
  .main-nav a{ display: block; padding: 10px 0; border-bottom: 1px solid var(--line); }
  .btn-nav{ display: none; }
  .nav-toggle{ display: flex; }
}

/* =========================================================
   HERO
========================================================= */
.hero{ padding: clamp(56px, 9vw, 96px) 0 clamp(48px, 7vw, 80px); }

.hero-inner{
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(24px, 5vw, 64px);
  align-items: center;
}

.eyebrow-plain{
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--accent);
  margin: 0 0 18px;
}

.hero-name{
  font-size: clamp(2.6rem, 7vw, 4.4rem);
  letter-spacing: -0.01em;
}

.hero-role{
  font-family: var(--sans);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--ink-soft);
  margin: 10px 0 28px;
}

.hero-headline{
  font-family: var(--serif);
  font-size: clamp(1.25rem, 2.4vw, 1.6rem);
  font-style: italic;
  color: var(--ink);
  max-width: 30ch;
  margin-bottom: 18px;
}

.hero-support{ max-width: 46ch; margin-bottom: 32px; }

.hero-actions{ display: flex; gap: 14px; flex-wrap: wrap; }

.hero-visual{ display: flex; justify-content: center; }
.hero-svg{ width: 100%; max-width: 380px; height: auto; }
.grid-lines line{ stroke: var(--line); stroke-width: 1; }
.data-line{
  fill: none;
  stroke: var(--accent);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.node{ fill: var(--bg); stroke: var(--accent); stroke-width: 2; }
.node-accent{ fill: var(--gold); stroke: var(--gold); }

/* choreographed hero entrance (single moment, not repeated) */
.hero-copy > *{
  opacity: 0;
  transform: translateY(10px);
  animation: rise 640ms var(--ease) forwards;
}
.hero-copy > *:nth-child(1){ animation-delay: 40ms; }
.hero-copy > *:nth-child(2){ animation-delay: 120ms; }
.hero-copy > *:nth-child(3){ animation-delay: 200ms; }
.hero-copy > *:nth-child(4){ animation-delay: 280ms; }
.hero-copy > *:nth-child(5){ animation-delay: 360ms; }
.hero-copy > *:nth-child(6){ animation-delay: 440ms; }
.hero-visual{
  opacity: 0;
  animation: rise 800ms var(--ease) forwards;
  animation-delay: 260ms;
}
@keyframes rise{
  to{ opacity: 1; transform: translateY(0); }
}

@media (max-width: 860px){
  .hero-inner{ grid-template-columns: 1fr; }
  .hero-visual{ order: -1; max-width: 260px; margin: 0 auto; }
}

/* =========================================================
   SCROLL REVEAL (restrained: section heads + rows only)
========================================================= */
.reveal{
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 520ms var(--ease), transform 520ms var(--ease);
}
.reveal.is-visible{ opacity: 1; transform: translateY(0); }

/* =========================================================
   ABOUT
========================================================= */
.about-grid{
  display: grid;
  grid-template-columns: 0.7fr 1.6fr;
  gap: clamp(24px, 5vw, 64px);
}
.about-content p{ max-width: 60ch; }

.profile-card{
  margin-top: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 520px;
}
.profile-row{ display: flex; flex-direction: column; gap: 3px; }
.profile-label{
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--gold);
  text-transform: none;
}
.profile-value{ color: var(--ink); font-size: 0.95rem; }

@media (max-width: 760px){
  .about-grid{ grid-template-columns: 1fr; }
}

/* =========================================================
   SERVICES
========================================================= */
.service-list{ border-top: 1px solid var(--line); }

.service-row{
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 24px;
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}

.service-num{
  font-family: var(--mono);
  color: var(--muted);
  font-size: 0.9rem;
  padding-top: 4px;
}

.service-body h3{ font-size: 1.35rem; margin-bottom: 8px; }
.service-body p{ margin-bottom: 16px; }

.tag-list{ display: flex; flex-wrap: wrap; gap: 8px 10px; }
.tag-list li{
  font-size: 0.82rem;
  color: var(--ink-soft);
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: 20px;
}

@media (max-width: 600px){
  .service-row{ grid-template-columns: 1fr; gap: 8px; }
}

/* =========================================================
   PROJECTS
========================================================= */
.project-filter{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}
.filter-btn{
  font-family: var(--sans);
  font-size: 0.85rem;
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.filter-btn:hover{ border-color: var(--accent); color: var(--ink); }
.filter-btn.is-active{ background: var(--ink); border-color: var(--ink); color: var(--bg); }

.project-grid{
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.project-card{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.project-card:hover{ border-color: var(--accent); }

.project-thumb{
  aspect-ratio: 4 / 3;
  background:
    repeating-linear-gradient(135deg, var(--bg) 0 12px, #ECEAE3 12px 24px);
  position: relative;
  overflow: hidden;
}
.project-thumb::after{
  content: attr(data-cat);
  position: absolute;
  bottom: 12px; left: 12px;
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--ink-soft);
  background: rgba(243,242,238,0.85);
  padding: 4px 9px;
  border-radius: 3px;
}
.project-card:hover .project-thumb{ filter: saturate(1.05); }

.project-body{ padding: 22px 22px 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.project-cat{ font-family: var(--mono); font-size: 0.72rem; color: var(--gold); }
.project-body h3{ font-size: 1.15rem; }
.project-body p{ font-size: 0.92rem; margin-bottom: 4px; }
.project-tools{ font-size: 0.8rem; color: var(--muted); margin-bottom: 6px; }
.project-link{
  margin-top: auto;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: fit-content;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}
.project-link:hover{ border-color: var(--accent); }

/* =========================================================
   SKILLS
========================================================= */
.skills-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: clamp(28px, 4vw, 40px);
}
.skill-group h3{
  font-size: 1.05rem;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}
.chip-list{ display: flex; flex-wrap: wrap; gap: 8px 10px; }
.chip-list li{
  font-size: 0.85rem;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 6px 13px;
  border-radius: var(--radius);
}
.section-alt .chip-list li{ background: var(--bg); }

/* =========================================================
   TIMELINE (experience + education)
========================================================= */
.timeline{
  position: relative;
  padding-left: 28px;
  border-left: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 40px;
}
.timeline-item{ position: relative; }
.timeline-marker{
  position: absolute;
  left: -33px;
  top: 4px;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--accent);
}
.timeline-tag{
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--gold);
  display: block;
  margin-bottom: 6px;
}
.timeline-content h3{ font-size: 1.2rem; margin-bottom: 8px; }
.plain-list{ margin-top: 12px; display: flex; flex-direction: column; gap: 8px; }
.plain-list li{
  font-size: 0.92rem;
  color: var(--ink-soft);
  padding-left: 16px;
  position: relative;
}
.plain-list li::before{
  content: "—";
  position: absolute; left: 0; color: var(--muted);
}

/* =========================================================
   WHY WORK WITH ME
========================================================= */
.quality-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: clamp(28px, 4vw, 40px);
}
.quality-icon{ width: 34px; height: 34px; color: var(--accent); margin-bottom: 14px; }
.quality-item h3{ font-size: 1.1rem; margin-bottom: 8px; }
.quality-item p{ font-size: 0.92rem; }

/* =========================================================
   PROCESS
========================================================= */
.process-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: clamp(24px, 4vw, 32px);
}
.process-step{ border-top: 2px solid var(--ink); padding-top: 16px; }
.process-num{ font-family: var(--mono); color: var(--gold); font-size: 0.85rem; }
.process-step h3{ font-size: 1.1rem; margin: 8px 0; }
.process-step p{ font-size: 0.92rem; }

/* =========================================================
   CONTACT
========================================================= */
.contact-grid{
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(32px, 6vw, 72px);
  align-items: start;
}
.contact-section h2{ font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: 18px; max-width: 14ch; }
.contact-text{ max-width: 46ch; margin-bottom: 28px; }

.contact-list{ display: flex; flex-direction: column; gap: 0; border-top: 1px solid var(--line); }
.contact-list li{
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}
.contact-label{ font-family: var(--mono); font-size: 0.78rem; color: var(--muted); }
.contact-value{ font-size: 0.92rem; }
.contact-placeholder{ color: var(--muted); font-style: italic; }

.contact-row{
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.contact-icon-btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  background: var(--accent);
  color: var(--accent-ink);
  flex-shrink: 0;
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.contact-icon-btn:hover{
  background: #174b47;
  transform: translateY(-1px);
}


@media (max-width: 760px){
  .contact-grid{ grid-template-columns: 1fr; }
}

/* =========================================================
   FOOTER
========================================================= */
.site-footer{ border-top: 1px solid var(--line); padding: 40px 0; }
.footer-inner{
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  align-items: baseline;
  justify-content: space-between;
}
.footer-name{ font-family: var(--serif); font-size: 1.1rem; margin: 0; }
.footer-role{ font-size: 0.85rem; color: var(--muted); margin: 2px 0 0; }
.footer-tags{ font-family: var(--mono); font-size: 0.78rem; color: var(--muted); margin: 0; }
.footer-copy{ font-size: 0.8rem; color: var(--muted); margin: 0; }