/* ── RESET & VARIABLES ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:     #f5f3ef;
  --bg2:    #edeae4;
  --ink:    #1a1816;
  --ink2:   #6b6560;
  --accent: #c8a96e;
  --line:   #d8d3cb;
  --white:  #faf9f7;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
  overflow-x: hidden;
}


/* ══════════════════════════════════════
   NAV
══════════════════════════════════════ */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 60px;
  background: var(--bg);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}
nav.scrolled { border-color: var(--line); }

.nav-logo {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 300;
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  color: var(--ink);
  text-decoration: none;
}
.nav-logo span { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 40px;
  list-style: none;
}
.nav-links a {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink2);
  text-decoration: none;
  position: relative;
  transition: color 0.2s;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width 0.3s;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { width: 100%; }


/* ══════════════════════════════════════
   PAGES
══════════════════════════════════════ */
.page {
  min-height: 100vh;
  display: none;
  opacity: 0;
  transition: opacity 0.4s ease;
}
.page.active {
  display: block;
  opacity: 1;
}


/* ══════════════════════════════════════
   HOME
══════════════════════════════════════ */
#home {
  display: none;
  align-items: center;
  justify-content: center;
  padding: 120px 60px 80px;
  min-height: 100vh;
  position: relative;
  overflow: hidden;
}
#home.active { display: flex; }

.home-bg-text {
  position: absolute;
  bottom: -20px;
  right: -20px;
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(80px, 18vw, 240px);
  font-weight: 300;
  color: transparent;
  -webkit-text-stroke: 1px var(--line);
  line-height: 1;
  user-select: none;
  pointer-events: none;
}

.home-content {
  max-width: 900px;
  width: 100%;
  position: relative;
}

.home-eyebrow {
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.home-eyebrow::before {
  content: '';
  width: 40px;
  height: 1px;
  background: var(--accent);
}

.home-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(52px, 8vw, 110px);
  font-weight: 300;
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin-bottom: 36px;
}
.home-title em {
  font-style: italic;
  color: var(--ink2);
}

.home-desc {
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--ink2);
  max-width: 440px;
  margin-bottom: 60px;
}

.home-cta {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--ink);
  border-top: none;
  border-left: none;
  border-right: none;
  padding-bottom: 6px;
  background: none;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}
.home-cta:hover { color: var(--accent); border-color: var(--accent); }
.home-cta svg { transition: transform 0.2s; }
.home-cta:hover svg { transform: translateX(5px); }

.home-scroll-line {
  position: absolute;
  bottom: 40px;
  left: 60px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink2);
}
.home-scroll-line::before {
  content: '';
  width: 1px;
  height: 50px;
  background: var(--line);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; }
  50%       { opacity: 1; }
}


/* ══════════════════════════════════════
   SHARED SECTION HEADER
══════════════════════════════════════ */
.section-header {
  display: flex;
  align-items: baseline;
  gap: 24px;
  margin-bottom: 80px;
}
.section-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.85rem;
  color: var(--accent);
  letter-spacing: 0.1em;
}
.section-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 300;
  letter-spacing: -0.01em;
  line-height: 1;
}
.section-line {
  flex: 1;
  height: 1px;
  background: var(--line);
  margin-left: 16px;
}


/* ══════════════════════════════════════
   ABOUT
══════════════════════════════════════ */
#about { padding: 140px 60px 100px; }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  max-width: 1100px;
}

.about-text p {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--ink2);
  margin-bottom: 24px;
}
.about-text p strong {
  color: var(--ink);
  font-weight: 400;
}

.about-facts {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.about-fact {
  border-top: 1px solid var(--line);
  padding-top: 24px;
}
.about-fact-label {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.about-fact-value {
  font-size: 1.05rem;
  color: var(--ink);
  font-weight: 300;
}


/* ══════════════════════════════════════
   PROJECTS
══════════════════════════════════════ */
#projects { padding: 140px 60px 100px; background: var(--white); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 2px;
  max-width: 1200px;
}

.project-card {
  background: var(--bg);
  padding: 48px 40px;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: background 0.3s;
}
.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 0;
  background: var(--accent);
  transition: height 0.4s ease;
}
.project-card:hover { background: var(--bg2); }
.project-card:hover::before { height: 100%; }

.project-tag {
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.project-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.7rem;
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 16px;
}
.project-desc {
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--ink2);
  margin-bottom: 32px;
}
.project-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.project-tool {
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink2);
  border: 1px solid var(--line);
  padding: 4px 10px;
  border-radius: 2px;
}


/* ══════════════════════════════════════
   ARCHITECTURE
══════════════════════════════════════ */
#architecture { padding: 140px 60px 100px; }

.arch-intro {
  max-width: 600px;
  margin-bottom: 80px;
}
.arch-intro p {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--ink2);
}

.arch-list {
  display: flex;
  flex-direction: column;
  max-width: 900px;
}
.arch-item {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  align-items: start;
  gap: 40px;
  padding: 36px 0;
  border-bottom: 1px solid var(--line);
  cursor: default;
}
.arch-item:first-child { border-top: 1px solid var(--line); }

.arch-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.85rem;
  color: var(--accent);
  padding-top: 4px;
}
.arch-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.4rem;
  font-weight: 400;
  margin-bottom: 8px;
}
.arch-detail {
  font-size: 0.82rem;
  color: var(--ink2);
  line-height: 1.6;
}
.arch-year {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--ink2);
  padding-top: 6px;
}


/* ══════════════════════════════════════
   CONSTRUCTION
══════════════════════════════════════ */
#construction { padding: 140px 60px 100px; background: var(--white); }

.const-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  max-width: 1100px;
  margin-bottom: 80px;
}
.const-block h3 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: 20px;
}
.const-block p {
  font-size: 0.88rem;
  line-height: 1.9;
  color: var(--ink2);
}

.skills-bar-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 600px;
  margin-top: 60px;
}
.skill-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.skill-label-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.skill-label { color: var(--ink); }
.skill-pct   { color: var(--accent); }
.skill-track {
  height: 1px;
  background: var(--line);
  position: relative;
}
.skill-fill {
  position: absolute;
  top: -1px; left: 0;
  height: 3px;
  width: 0;                     /* JS animates this to data-pct% */
  background: var(--accent);
  transition: width 1s ease;
}


/* ══════════════════════════════════════
   RESUME
══════════════════════════════════════ */
#resume { padding: 140px 60px 100px; }

.resume-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  max-width: 1100px;
}
.resume-section-title {
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 32px;
}
.resume-entries {
  display: flex;
  flex-direction: column;
  gap: 36px;
}
.resume-entry {
  border-left: 1px solid var(--line);
  padding-left: 24px;
  position: relative;
}
.resume-entry::before {
  content: '';
  position: absolute;
  left: -4px; top: 6px;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
}
.resume-entry-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.2rem;
  font-weight: 400;
  margin-bottom: 4px;
}
.resume-entry-org {
  font-size: 0.78rem;
  color: var(--ink2);
  margin-bottom: 6px;
}
.resume-entry-project {
  font-size: 0.75rem;
  font-style: italic;
  color: var(--ink);
  margin-bottom: 6px;
}
.resume-entry-date {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 12px;
}
.resume-entry-desc {
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--ink2);
}
.resume-download {
  margin-top: 60px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  border: 1px solid var(--line);
  padding: 16px 32px;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.resume-download:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(200,169,110,0.04);
}


/* ══════════════════════════════════════
   CONTACT
══════════════════════════════════════ */
#contact { padding: 140px 60px 100px; background: var(--white); }

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  max-width: 1000px;
}
.contact-tagline {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 300;
  line-height: 1.2;
  margin-bottom: 40px;
}
.contact-tagline em { font-style: italic; color: var(--ink2); }

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.contact-link-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-top: 1px solid var(--line);
  padding-top: 20px;
}
.contact-link-label {
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
}
.contact-link-value {
  font-size: 0.95rem;
  color: var(--ink);
  text-decoration: none;
  transition: color 0.2s;
}
.contact-link-value:hover { color: var(--accent); }

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.form-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.form-label {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink2);
}
.form-input,
.form-textarea {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--line);
  padding: 12px 0;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
  resize: none;
}
.form-input:focus,
.form-textarea:focus { border-color: var(--accent); }
.form-input::placeholder,
.form-textarea::placeholder { color: var(--line); }

.form-submit {
  align-self: flex-start;
  background: var(--ink);
  color: var(--bg);
  border: none;
  padding: 16px 40px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.form-submit:hover { background: var(--accent); color: var(--white); }


/* ══════════════════════════════════════
   FOOTER
══════════════════════════════════════ */
footer {
  padding: 32px 60px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg);
}
.footer-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.9rem;
  color: var(--ink2);
}
.footer-copy {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--ink2);
}


/* ══════════════════════════════════════
   FADE-IN ANIMATION
══════════════════════════════════════ */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: none;
}


/* ══════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════ */
@media (max-width: 768px) {
  nav { padding: 20px 24px; }
  .nav-links { gap: 20px; }

  #home,
  #about,
  #projects,
  #architecture,
  #construction,
  #resume,
  #contact      { padding-left: 24px; padding-right: 24px; }

  .about-grid,
  .const-grid,
  .resume-cols,
  .contact-layout { grid-template-columns: 1fr; gap: 40px; }

  .home-scroll-line { left: 24px; }
  .arch-item { grid-template-columns: 50px 1fr; }
  .arch-year { display: none; }
}

/* ══════════════════════════════════════
   ENGINEERING
══════════════════════════════════════ */
#engineering { padding: 140px 60px 100px; }

.eng-list {
  display: flex;
  flex-direction: column;
  max-width: 960px;
}

.eng-item {
  padding: 48px 0;
  border-bottom: 1px solid var(--line);
}
.eng-item:first-child { border-top: 1px solid var(--line); }

.eng-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}
.eng-left {
  display: flex;
  align-items: flex-start;
  gap: 28px;
}
.eng-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.85rem;
  color: var(--accent);
  padding-top: 4px;
  min-width: 28px;
}
.eng-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.5rem;
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 6px;
}
.eng-meta {
  font-size: 0.78rem;
  color: var(--ink2);
}
.eng-link {
  color: var(--accent);
  text-decoration: none;
  transition: opacity 0.2s;
}
.eng-link:hover { opacity: 0.7; }

.eng-date {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--ink2);
  white-space: nowrap;
  padding-top: 4px;
}

.eng-body {
  margin-bottom: 24px;
  padding-left: 56px;
}
.eng-body p {
  font-size: 0.88rem;
  line-height: 1.85;
  color: var(--ink2);
  margin-bottom: 12px;
}
.eng-body p:last-child { margin-bottom: 0; }

.eng-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-left: 56px;
}
.eng-tag {
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink2);
  border: 1px solid var(--line);
  padding: 4px 10px;
  border-radius: 2px;
  transition: border-color 0.2s, color 0.2s;
}
.eng-tag:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* resume project line */
.resume-entry-project {
  font-size: 0.75rem;
  font-style: italic;
  color: var(--ink);
  margin-bottom: 6px;
}

@media (max-width: 768px) {
  #engineering { padding-left: 24px; padding-right: 24px; }
  .eng-header { flex-direction: column; gap: 8px; }
  .eng-body, .eng-tags { padding-left: 0; }
}