/* =====================================================================
   Sue Nopachinda — personal site
   Palette carried over from the original design:
     deep teal  #064256   (nav, cards)
     mid teal   #13586e   (page background)
     mint       #7AC0B7   (body / menu text)
     gold       #CDBB7A   (headings, active, accents)
     salmon     #c97b6a   (hover)
     rule       #3c8a9d
   ===================================================================== */

:root {
  --bg: #0f4658;
  --bg-2: #13586e;
  --nav: #064256;
  --card: #073a4b;
  --card-2: #06303f;
  --mint: #9fd6cd;
  --mint-dim: #7AC0B7;
  --gold: #CDBB7A;
  --salmon: #d98d7c;
  --rule: #2f7387;
  --text: #d7ebe7;
  --text-dim: #9db9b6;
  --white: #f3faf8;
  --shadow: 0 10px 40px rgba(0, 20, 28, 0.35);
  --radius: 16px;
  --radius-sm: 10px;
  --maxw: 1180px;
  --nav-h: 68px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); }

body {
  margin: 0;
  font-family: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg-2);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: "Poppins", "Montserrat", sans-serif;
  color: var(--white);
  font-weight: 600;
  line-height: 1.25;
  margin: 0;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.accent { color: var(--gold); }

/* ---- eyebrow / section heading ---- */
.section { padding: 90px 0; position: relative; }
.section:nth-child(even) { background: var(--bg); }
.eyebrow {
  color: var(--gold);
  font-size: 13px;
  letter-spacing: 3px;
  text-transform: uppercase;
  font-weight: 600;
  margin: 0 0 10px;
}
.section-title {
  font-size: clamp(28px, 4vw, 40px);
  margin-bottom: 8px;
}
.section-head { margin-bottom: 46px; max-width: 720px; }
.section-head p { color: var(--text-dim); margin: 12px 0 0; }

/* ---- buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: var(--gold);
  color: #2a2410;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.4px;
  padding: 13px 26px;
  border-radius: 40px;
  border: 1.5px solid var(--gold);
  cursor: pointer;
  transition: all 0.28s var(--ease);
  font-family: inherit;
}
.btn:hover { background: transparent; color: var(--gold); transform: translateY(-2px); }
.btn--ghost {
  background: transparent;
  color: var(--mint);
  border-color: var(--rule);
}
.btn--ghost:hover { color: var(--gold); border-color: var(--gold); background: transparent; }

/* =====================================================================
   NAVBAR
   ===================================================================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  display: flex;
  align-items: center;
  background: rgba(6, 66, 86, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: background 0.3s ease, border-color 0.3s ease;
}
.nav.scrolled {
  background: rgba(5, 52, 68, 0.94);
  border-bottom-color: var(--rule);
}
.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  font-family: "Poppins", sans-serif;
  font-weight: 600;
  font-size: 18px;
  color: var(--white);
  letter-spacing: 0.3px;
}
.brand img { height: 46px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin: 0; padding: 0;
}
.nav-links a {
  position: relative;
  color: var(--mint-dim);
  font-size: 14px;
  font-weight: 500;
  padding: 9px 14px;
  border-radius: 8px;
  transition: color 0.22s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.nav-links a .ext { width: 12px; opacity: 0.6; }
.nav-links a:hover { color: var(--gold); }
.nav-links a.active { color: var(--gold); }
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 2px;
  height: 2px;
  background: var(--gold);
  border-radius: 2px;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--mint);
  cursor: pointer;
  padding: 6px;
  width: 42px; height: 42px;
}
.nav-toggle svg { width: 26px; height: 26px; }

/* =====================================================================
   HERO / HOME
   ===================================================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-h) + 40px) 0 60px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  width: 620px; height: 620px;
  right: -180px; top: -160px;
  background: radial-gradient(circle, rgba(205,187,122,0.14), transparent 62%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 60px;
  align-items: center;
}
.hero-photo {
  position: relative;
  justify-self: center;
}
.hero-photo img {
  width: 280px; height: 280px;
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid #CB8272;
  box-shadow: var(--shadow);
}
.hero-name {
  font-size: clamp(38px, 6vw, 62px);
  margin-bottom: 4px;
}
.hero-role {
  color: var(--gold);
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-size: 14px;
  margin: 0 0 20px;
}
.hero-bio {
  font-size: 18px;
  max-width: 560px;
  color: var(--text);
  margin: 0 0 30px;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}

/* social */
.social { display: flex; gap: 12px; list-style: none; margin: 0; padding: 0; }
.social a {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border: 1.5px solid var(--rule);
  border-radius: 50%;
  transition: all 0.26s var(--ease);
}
.social a:hover { border-color: var(--gold); transform: translateY(-3px); }
.social img { width: 19px; height: 19px; }

/* =====================================================================
   ABOUT
   ===================================================================== */
.about-top {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 50px;
  align-items: center;
  margin-bottom: 70px;
}
.about-img img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.about-text h3 { font-size: 26px; margin-bottom: 16px; }
.about-text p { margin: 0 0 16px; }
.about-text ul { margin: 0 0 16px; padding-left: 20px; }
.about-text li { margin-bottom: 8px; }
.about-text li::marker { color: var(--gold); }

.skill-block { margin-top: 46px; }
.skill-block > h3 {
  color: var(--gold);
  font-size: 22px;
  margin-bottom: 24px;
}
.skill-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.skill-card {
  background: rgba(6, 66, 86, 0.55);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: transform 0.28s var(--ease), border-color 0.28s ease;
}
.skill-card:hover { transform: translateY(-6px); border-color: var(--gold); }
.skill-card img { width: 56px; height: 56px; margin: 0 auto 14px; }
.skill-card h4 { font-size: 18px; margin-bottom: 12px; color: var(--white); }
.skill-card dl { margin: 0; }
.skill-card dt {
  font-style: italic;
  color: var(--text-dim);
  font-size: 14px;
  padding: 3px 0;
}

/* =====================================================================
   FILTER TABS
   ===================================================================== */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
}
.filter-btn {
  background: transparent;
  border: 1.5px solid var(--rule);
  color: var(--mint-dim);
  padding: 9px 20px;
  border-radius: 30px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.24s var(--ease);
}
.filter-btn:hover { color: var(--gold); border-color: var(--gold); }
.filter-btn.active { background: var(--gold); color: #2a2410; border-color: var(--gold); }

/* =====================================================================
   GALLERY GRID  (art & tinkering)
   ===================================================================== */
.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.work {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  background: var(--card);
  aspect-ratio: 1 / 1;
  box-shadow: var(--shadow);
}
.work img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}
.work:hover img { transform: scale(1.07); }
.work-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 22px;
  background: linear-gradient(to top, rgba(3, 30, 40, 0.92) 0%, rgba(3, 30, 40, 0.35) 45%, transparent 75%);
  opacity: 0;
  transition: opacity 0.35s ease;
}
.work:hover .work-overlay { opacity: 1; }
.work-overlay .cat {
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 4px;
}
.work-overlay h4 { font-size: 20px; }
.work-overlay .hint {
  margin-top: 8px;
  font-size: 13px;
  color: var(--mint);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.work-overlay .hint svg { width: 14px; height: 14px; }
.work.hide { display: none; }

/* =====================================================================
   PROJECTS
   ===================================================================== */
.projects {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
}
.project {
  display: flex;
  flex-direction: column;
  background: rgba(6, 66, 86, 0.5);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.28s var(--ease), border-color 0.28s ease;
}
.project:hover { transform: translateY(-6px); border-color: var(--gold); }
.project-thumb { aspect-ratio: 16 / 9; overflow: hidden; background: var(--card-2); }
.project-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s var(--ease); }
.project:hover .project-thumb img { transform: scale(1.05); }
.project-body { padding: 24px 26px 28px; flex: 1; display: flex; flex-direction: column; }
.project-tech {
  color: var(--text-dim);
  font-style: italic;
  font-size: 13px;
  text-transform: capitalize;
  margin: 0 0 8px;
}
.project h4 {
  font-size: 20px;
  margin-bottom: 18px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.project h4 svg { width: 16px; height: 16px; margin-top: 5px; flex-shrink: 0; color: var(--gold); }
.project-cta {
  margin-top: auto;
  color: var(--gold);
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.project-cta svg { width: 15px; height: 15px; transition: transform 0.24s ease; }
.project:hover .project-cta svg { transform: translateX(4px); }

/* =====================================================================
   DOCS
   ===================================================================== */
.docs-panel {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 40px;
  align-items: center;
  background: rgba(6, 66, 86, 0.5);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 44px 46px;
}
.docs-icon {
  width: 118px; height: 118px;
  border-radius: 50%;
  background: rgba(205, 187, 122, 0.12);
  border: 1.5px solid var(--gold);
  display: grid;
  place-items: center;
}
.docs-icon img { width: 58px; height: 58px; }
.docs-body p { margin: 0 0 20px; max-width: 620px; }
.docs-list {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 26px;
  max-width: 620px;
}
.docs-list li {
  position: relative;
  padding-left: 26px;
  color: var(--text);
  font-size: 15px;
}
.docs-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 9px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--gold);
}

@media (max-width: 760px) {
  .docs-panel { grid-template-columns: 1fr; gap: 26px; padding: 34px 26px; text-align: center; }
  .docs-icon { margin: 0 auto; }
  .docs-list { grid-template-columns: 1fr; text-align: left; max-width: none; }
  .docs-body p { text-align: left; }
}

/* =====================================================================
   CONTACT
   ===================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}
.contact-wrap { max-width: 640px; }
.contact-logo { text-align: center; }
.contact-logo img {
  width: 100%;
  max-width: 250px;
  margin: 0 auto 16px;
}
.contact-logo p {
  color: var(--gold);
  font-family: "Poppins", sans-serif;
  font-weight: 500;
  font-size: 17px;
  margin: 0;
}
@media (max-width: 820px) {
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-logo img { max-width: 200px; }
}
.contact-form ul { list-style: none; margin: 0 0 20px; padding: 0; }
.contact-form li { margin-bottom: 16px; }
.contact-form input,
.contact-form textarea {
  width: 100%;
  background: rgba(3, 30, 40, 0.5);
  border: 1.5px solid var(--rule);
  border-radius: var(--radius-sm);
  padding: 15px 18px;
  color: var(--text);
  font-family: inherit;
  font-size: 15px;
  transition: border-color 0.24s ease;
}
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: var(--text-dim); }
.contact-form input:focus,
.contact-form textarea:focus { outline: none; border-color: var(--gold); }
.contact-form textarea { min-height: 150px; resize: vertical; }

/* =====================================================================
   FOOTER
   ===================================================================== */
.footer {
  background: var(--nav);
  border-top: 1px solid var(--rule);
  padding: 40px 0;
  text-align: center;
}
.footer .social { justify-content: center; margin-bottom: 20px; }
.footer p { color: var(--text-dim); font-size: 14px; margin: 0; }

/* =====================================================================
   LIGHTBOX
   ===================================================================== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(3, 22, 30, 0.94);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 40px;
}
.lightbox.open { display: flex; }
.lightbox img {
  max-width: 92vw;
  max-height: 88vh;
  border-radius: 10px;
  box-shadow: var(--shadow);
}
.lightbox-close {
  position: absolute;
  top: 26px; right: 30px;
  background: none; border: none;
  color: var(--white);
  cursor: pointer;
  width: 44px; height: 44px;
}
.lightbox-close svg { width: 32px; height: 32px; }
.lightbox-nav {
  position: absolute;
  top: 50%; transform: translateY(-50%);
  background: rgba(6,66,86,0.7);
  border: 1px solid var(--rule);
  color: var(--white);
  cursor: pointer;
  width: 52px; height: 52px;
  border-radius: 50%;
  display: grid; place-items: center;
  transition: background 0.2s ease;
}
.lightbox-nav:hover { background: var(--gold); color: #2a2410; }
.lightbox-nav svg { width: 26px; height: 26px; }
.lightbox-prev { left: 24px; }
.lightbox-next { right: 24px; }

/* =====================================================================
   WORK DETAIL PAGE  (work.html)
   ===================================================================== */
.work-page { padding-top: var(--nav-h); }
.work-hero {
  position: relative;
  min-height: 56vh;
  display: flex;
  align-items: flex-end;
  background-size: cover;
  background-position: center;
}
.work-hero::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(4, 34, 45, 0.97) 6%, rgba(4, 34, 45, 0.55) 45%, rgba(4, 34, 45, 0.35) 100%);
}
.work-hero .container { position: relative; z-index: 1; padding-top: 70px; padding-bottom: 46px; }
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--mint);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 22px;
  transition: color 0.2s ease, gap 0.2s ease;
}
.back-link:hover { color: var(--gold); gap: 11px; }
.back-link svg { width: 16px; height: 16px; }
.work-hero .cat {
  color: var(--gold);
  font-size: 13px;
  letter-spacing: 3px;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 8px;
}
.work-hero h1 { font-size: clamp(30px, 5vw, 52px); }

.work-body {
  display: grid;
  grid-template-columns: 1.7fr 1fr;
  gap: 54px;
  padding: 66px 0;
}
.work-body .prose p { margin: 0 0 20px; font-size: 17px; }
.work-body .prose ol { margin: 0 0 20px; padding-left: 24px; }
.work-body .prose li { margin-bottom: 8px; }
.work-body .prose li::marker { color: var(--gold); font-weight: 600; }

.facts {
  align-self: start;
  position: sticky;
  top: calc(var(--nav-h) + 24px);
  background: rgba(6, 66, 86, 0.5);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 10px 26px;
}
.facts .row { padding: 18px 0; border-bottom: 1px solid rgba(47,115,135,0.5); }
.facts .row:last-child { border-bottom: none; }
.facts .label {
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 5px;
}
.facts .value { color: var(--text); font-size: 15px; }

.work-gallery { padding-bottom: 90px; }
.work-gallery h3 { color: var(--gold); font-size: 22px; margin-bottom: 26px; }
.wg-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.wg-grid .cell {
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  background: var(--card-2);
  aspect-ratio: 4 / 3;
  box-shadow: var(--shadow);
}
.wg-grid .cell img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s var(--ease); }
.wg-grid .cell:hover img { transform: scale(1.05); }

.work-more { border-top: 1px solid var(--rule); padding: 60px 0 90px; }
.work-more h3 { color: var(--gold); font-size: 20px; margin-bottom: 26px; }

@media (max-width: 860px) {
  .work-body { grid-template-columns: 1fr; gap: 32px; padding: 48px 0; }
  .facts { position: static; }
  .wg-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .wg-grid { grid-template-columns: 1fr; }
}

/* =====================================================================
   SCROLL REVEAL
   ===================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.in { opacity: 1; transform: none; }

/* =====================================================================
   RESPONSIVE
   ===================================================================== */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 34px; text-align: center; }
  .hero-photo img { width: 220px; height: 220px; }
  .hero-actions { justify-content: center; }
  .hero-bio { margin-left: auto; margin-right: auto; }
  .about-top { grid-template-columns: 1fr; gap: 32px; }
  .about-img { max-width: 420px; }
  .skill-grid { grid-template-columns: 1fr 1fr; }
  .projects { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed;
    top: var(--nav-h); left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(5, 52, 68, 0.99);
    border-bottom: 1px solid var(--rule);
    padding: 8px 16px 18px;
    transform: translateY(-140%);
    transition: transform 0.36s var(--ease);
    max-height: calc(100vh - var(--nav-h));
    overflow-y: auto;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: 14px 8px; font-size: 16px; border-radius: 8px; }
  .nav-links a.active::after { display: none; }
  .nav-links a.active { background: rgba(205,187,122,0.12); }
  .section { padding: 66px 0; }
  .gallery { grid-template-columns: repeat(2, 1fr); gap: 14px; }
}

@media (max-width: 480px) {
  .skill-grid { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr; }
  .container { padding: 0 18px; }
  .hero-bio { font-size: 16px; }
}

/* respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { transition-duration: 0.01ms !important; }
}