:root {
  --bg: #f7faf8;
  --surface: #ffffff;
  --surface-muted: #eef6f1;
  --text: #17251f;
  --subtext: #61706a;
  --primary: #1f8a5b;
  --primary-dark: #14613f;
  --primary-soft: #e0f3e9;
  --accent: #b7791f;
  --accent-soft: #fff4dc;
  --ink: #22313f;
  --border: #dce9e0;
  --shadow: 0 18px 46px rgba(35, 83, 55, 0.11);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: Arial, "Noto Sans KR", sans-serif;
  line-height: 1.6;
}

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

/* Navigation */
.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 10;
  background: rgba(247, 250, 248, 0.92);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
  padding: 16px 0;
}

.logo {
  color: var(--primary-dark);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 1px;
}

.nav-links {
  display: flex;
  gap: 28px;
  padding: 0;
  margin: 0;
  color: var(--subtext);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  list-style: none;
}

.nav-links a {
  position: relative;
  display: inline-flex;
  padding: 8px 0;
}

.nav-links a::after {
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary-dark);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 38px;
  padding: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--text);
  border-radius: 2px;
}

.section {
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
  padding: 88px 0;
  scroll-margin-top: 86px;
}

.section.muted {
  width: 100%;
  padding-right: max(20px, calc((100% - 1120px) / 2));
  padding-left: max(20px, calc((100% - 1120px) / 2));
  background: var(--surface-muted);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Hero */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 70px;
  align-items: center;
  min-height: 100vh;
  padding-top: 120px;
  padding-bottom: 80px;
}

.hero-content {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--primary-dark);
  font-size: 14px;
  font-weight: 800;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(32px, 4.8vw, 54px);
  line-height: 1.18;
}

.hero-text {
  max-width: 560px;
  margin: 26px 0 0;
  color: var(--subtext);
  font-size: 20px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  color: var(--primary-dark);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-weight: 800;
  box-shadow: 0 8px 20px rgba(35, 83, 55, 0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn.primary {
  color: #ffffff;
  background: var(--primary);
  border-color: var(--primary);
}

.btn:hover,
.showcase-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 40px rgba(35, 83, 55, 0.16);
}

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 460px;
}

.profile-frame {
  display: grid;
  place-items: center;
  width: min(390px, 100%);
  aspect-ratio: 4 / 5;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.84), rgba(224, 243, 233, 0.72)),
    var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 24px 60px rgba(31, 138, 91, 0.12);
}

.profile-frame span {
  display: grid;
  place-items: center;
  width: 148px;
  height: 148px;
  color: var(--primary-dark);
  background: var(--primary-soft);
  border: 1px solid rgba(31, 138, 91, 0.2);
  border-radius: 50%;
  font-size: 44px;
  font-weight: 800;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 30px;
}

.section-heading h2,
.projects-heading h2 {
  margin: 0;
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1.25;
}

.about-grid,
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.skills-grid {
  grid-template-columns: repeat(4, 1fr);
}

.card,
.skill-card,
.contact-card,
.detail-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.card,
.skill-card,
.detail-card {
  padding: 26px;
}

.card h3,
.skill-card h3,
.detail-card h3 {
  margin: 0 0 12px;
  font-size: 21px;
}

.card p,
.detail-card p,
.detail-card li {
  color: var(--subtext);
}

.card p,
.detail-card p {
  margin: 0;
}

.tags,
.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tags span,
.project-meta span {
  padding: 7px 11px;
  color: var(--primary-dark);
  background: var(--primary-soft);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 800;
}

.projects-section {
  background: linear-gradient(180deg, #f6f8f5 0%, #edf4ee 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.projects-inner {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 96px 0;
}

.projects-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 30px;
}

.projects-heading > p {
  max-width: 430px;
  margin: 0 0 4px;
  color: var(--subtext);
}

.project-showcase {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.showcase-card {
  display: flex;
  flex-direction: column;
  min-height: 520px;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.showcase-card:hover {
  border-color: rgba(47, 158, 101, 0.55);
}

.showcase-visual {
  height: 285px;
  overflow: hidden;
  background: var(--ink);
}

.showcase-visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.25s ease;
}

.showcase-card:hover .showcase-visual img {
  transform: scale(1.03);
}

.placeholder-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(34, 49, 63, 0.08), rgba(183, 121, 31, 0.16)),
    repeating-linear-gradient(45deg, #ffffff 0 16px, #f4ead9 16px 18px);
}

.placeholder-visual span {
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(34, 49, 63, 0.14);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 800;
}

.showcase-content {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 28px;
}

.project-label {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.showcase-content h3 {
  margin: 0 0 12px;
  color: var(--ink);
  font-size: 28px;
  line-height: 1.2;
}

.showcase-content p {
  margin: 0;
  color: var(--subtext);
}

.project-meta {
  margin-top: auto;
  padding-top: 24px;
}

.detail-hero {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 72px 0 42px;
}

.back-link {
  display: inline-flex;
  margin-bottom: 24px;
  color: var(--primary-dark);
  font-weight: 800;
}

.detail-hero h1 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(38px, 7vw, 68px);
  line-height: 1.08;
}

.detail-lead {
  max-width: 760px;
  margin: 22px 0 0;
  color: var(--subtext);
  font-size: 20px;
}

.detail-image {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.detail-image img {
  display: block;
  width: 100%;
  max-height: 560px;
  object-fit: cover;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  width: min(1120px, calc(100% - 40px));
  margin: 34px auto 88px;
}

.detail-card ul {
  padding-left: 20px;
  margin: 0;
}

.project-detail-hero {
  padding-bottom: 34px;
}

.hero-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 30px;
}

.hero-summary div,
.trouble-card,
.learned-box {
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 12px 30px rgba(35, 83, 55, 0.08);
}

.hero-summary strong,
.trouble-card strong,
.learned-box strong,
.stack-group p,
.feature-number {
  display: block;
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.hero-summary span {
  display: block;
  margin-top: 6px;
  color: var(--ink);
  font-weight: 800;
}

.live-site-link {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 18px;
  padding: 14px 20px;
  color: #111820;
  text-align: center;
  text-decoration: none;
  background: var(--primary);
  border-radius: 8px;
  box-shadow: 0 22px 58px rgba(0, 0, 0, 0.24);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.live-site-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.32);
}

.live-site-link strong {
  font-size: clamp(20px, 3vw, 30px);
  font-weight: 900;
}

.project-main-image img {
  max-height: 620px;
  object-fit: contain;
  background: #ffffff;
}

.detail-section {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 76px 0;
}

.muted-detail {
  width: 100%;
  padding-right: max(20px, calc((100% - 1120px) / 2));
  padding-left: max(20px, calc((100% - 1120px) / 2));
  background: var(--surface-muted);
}

.overview-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 18px;
}

.stack-group + .stack-group {
  margin-top: 18px;
}

.stack-group p {
  margin: 0 0 9px;
}

.feature-list {
  display: grid;
  gap: 22px;
}

.feature-item {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.25fr);
  gap: 26px;
  align-items: center;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.feature-item h3 {
  margin: 4px 0 12px;
  color: var(--ink);
  font-size: 24px;
  line-height: 1.28;
}

.feature-item p {
  margin: 0;
  color: var(--subtext);
}

.feature-item img {
  display: block;
  width: 100%;
  max-height: 360px;
  object-fit: contain;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.visual-feature-list {
  gap: 28px;
}

.visual-feature-item {
  grid-template-columns: minmax(0, 1.65fr) minmax(260px, 0.75fr);
  align-items: stretch;
  padding: 20px;
}

.feature-shot {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.feature-shot img {
  max-height: 520px;
  flex: 1;
  object-fit: contain;
}

.feature-side-note {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 24px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.feature-side-note strong {
  display: block;
  margin: 22px 0 10px;
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.feature-side-note h3 {
  margin: 4px 0 8px;
  color: var(--ink);
  font-size: 26px;
  line-height: 1.25;
}

.feature-summary {
  margin: 0;
  color: var(--ink);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.45;
}

.feature-side-note p {
  margin: 0;
  color: var(--subtext);
}

.architecture-grid,
.trouble-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.trouble-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.trouble-card p,
.learned-box p {
  margin: 8px 0 0;
  color: var(--subtext);
}

.troubleshooting-section {
  padding-top: 18px;
}

.learned-box {
  margin-top: 18px;
  background: var(--accent-soft);
  border-color: rgba(183, 121, 31, 0.25);
}

.contact-card {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  padding: 26px;
}

.contact-card a {
  color: var(--primary-dark);
  font-weight: 800;
}

.footer {
  padding: 30px 20px;
  color: var(--subtext);
  text-align: center;
}

@media (max-width: 900px) {
  .about-grid,
  .skills-grid,
  .project-showcase,
  .detail-grid,
  .hero-summary,
  .overview-grid,
  .architecture-grid,
  .trouble-grid {
    grid-template-columns: 1fr;
  }

  .feature-item {
    grid-template-columns: 1fr;
  }

  .visual-feature-item {
    grid-template-columns: 1fr;
  }

  .feature-side-note {
    padding: 20px;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 46px;
    min-height: auto;
    padding-top: 120px;
  }

  .hero-visual {
    min-height: 360px;
    justify-content: flex-start;
  }

  .profile-frame {
    width: min(330px, 100%);
  }

  .projects-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .showcase-card {
    min-height: auto;
  }
}

@media (max-width: 680px) {
  /* Responsive */
  .nav {
    width: min(100% - 28px, 1120px);
  }

  .menu-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 70px;
    right: 14px;
    left: 14px;
    display: none;
    flex-direction: column;
    gap: 0;
    padding: 12px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    display: block;
    padding: 12px;
  }

  .nav-links a::after {
    display: none;
  }

  .section {
    width: min(100% - 28px, 1120px);
    padding: 64px 0;
  }

  .section.muted {
    padding-right: 14px;
    padding-left: 14px;
  }

  .hero {
    gap: 34px;
    padding-top: 108px;
    padding-bottom: 58px;
  }

  .hero-text,
  .detail-lead {
    font-size: 18px;
  }

  .hero-actions {
    width: 100%;
  }

  .hero-actions .btn {
    flex: 1 1 150px;
  }

  .hero-visual {
    min-height: 300px;
  }

  .profile-frame span {
    width: 120px;
    height: 120px;
    font-size: 36px;
  }

  .projects-inner {
    width: min(100% - 28px, 1120px);
    padding: 70px 0;
  }

  .detail-section {
    width: min(100% - 28px, 1120px);
    padding: 58px 0;
  }

  .muted-detail {
    width: 100%;
    padding-right: 14px;
    padding-left: 14px;
  }

  .showcase-visual {
    height: 220px;
  }

  .showcase-content {
    padding: 24px;
  }

  .contact-card {
    flex-direction: column;
  }
}

/* Portfolio Page */
.portfolio-page {
  color: #17251f;
  background: #f7faf8;
}

.portfolio-page .section {
  width: min(1200px, calc(100% - 40px));
  padding: 112px 0;
}

.portfolio-page .section.muted {
  width: 100%;
  padding-right: max(20px, calc((100% - 1200px) / 2));
  padding-left: max(20px, calc((100% - 1200px) / 2));
}

.portfolio-page .site-header {
  position: fixed;
  right: 0;
  left: 0;
}

.portfolio-page .hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 72px;
  min-height: 100vh;
  padding-top: 126px;
  padding-bottom: 90px;
}

.hero-copy h1 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(42px, 6vw, 72px);
  line-height: 1.12;
}

.hero-copy .hero-text {
  max-width: 560px;
}

.portfolio-page .hero-visual {
  min-height: 480px;
}

.portfolio-page .profile-frame {
  position: relative;
  width: min(410px, 100%);
  overflow: hidden;
}

.portfolio-page .profile-frame p {
  position: absolute;
  right: 22px;
  bottom: 18px;
  margin: 0;
  color: var(--subtext);
  font-size: 13px;
  font-weight: 800;
}

.about-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.28fr);
  gap: 56px;
  align-items: center;
}

.about-photo {
  display: grid;
  place-items: center;
  min-height: 360px;
  color: var(--primary-dark);
  background: var(--primary-soft);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.about-photo span {
  font-weight: 800;
}

.about-copy h3 {
  margin: 0 0 18px;
  color: var(--ink);
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.25;
}

.about-copy p {
  max-width: 720px;
  margin: 0;
  color: var(--subtext);
  font-size: 18px;
}

.about-copy p + p {
  margin-top: 14px;
}

.profile-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 42px;
}

.profile-grid article,
.skill-category,
.contact-list article {
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 14px 34px rgba(35, 83, 55, 0.08);
}

.profile-grid span,
.contact-list span {
  display: block;
  margin-bottom: 8px;
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.profile-grid strong,
.contact-list a,
.contact-list p {
  margin: 0;
  color: var(--ink);
  font-weight: 800;
  overflow-wrap: anywhere;
}

.skill-category-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.skill-category h3 {
  margin: 0 0 18px;
  color: var(--ink);
  font-size: 21px;
}

.skill-chip-list {
  display: grid;
  gap: 10px;
}

.skill-chip-list span {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 10px 12px;
  color: var(--text);
  background: #f8fbf9;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-weight: 800;
}

.skill-chip-list i {
  display: block;
  width: 24px;
  height: 24px;
  background: var(--primary-soft);
  border: 1px solid rgba(31, 138, 91, 0.2);
  border-radius: 6px;
}

.portfolio-page .projects-section {
  background: #f7faf8;
  border: 0;
}

.portfolio-page .projects-heading {
  align-items: flex-end;
  margin-bottom: 34px;
}

.portfolio-page .projects-heading > p {
  max-width: 420px;
  color: var(--subtext);
}

.portfolio-page .project-showcase {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px;
}

.portfolio-page .showcase-card {
  min-height: auto;
}

.portfolio-page .showcase-visual {
  display: block;
  height: 330px;
  background: #ffffff;
}

.portfolio-page .showcase-visual img {
  object-fit: cover;
}

.view-project {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: flex-start;
  min-height: 42px;
  margin-top: 24px;
  padding: 0 16px;
  color: #ffffff;
  background: var(--primary);
  border-radius: 6px;
  font-size: 13px;
  font-weight: 800;
}

.contact-heading {
  text-align: center;
  margin-right: auto;
  margin-left: auto;
}

.contact-heading p:last-child {
  margin: 12px 0 0;
  color: var(--subtext);
}

.contact-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

@media (max-width: 980px) {
  .portfolio-page .hero,
  .about-layout,
  .portfolio-page .project-showcase {
    grid-template-columns: 1fr;
  }

  .profile-grid,
  .skill-category-grid,
  .contact-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .portfolio-page .hero-visual {
    justify-content: flex-start;
    min-height: 360px;
  }
}

@media (max-width: 680px) {
  .portfolio-page .section {
    width: min(100% - 28px, 1200px);
    padding: 78px 0;
  }

  .portfolio-page .section.muted {
    padding-right: 14px;
    padding-left: 14px;
  }

  .portfolio-page .hero {
    gap: 34px;
    padding-top: 108px;
  }

  .profile-grid,
  .skill-category-grid,
  .contact-list {
    grid-template-columns: 1fr;
  }

  .about-photo {
    min-height: 280px;
  }

  .portfolio-page .showcase-visual {
    height: 230px;
  }
}

/* Reference-Inspired Dark Portfolio Theme */
.portfolio-page {
  --bg: #0b0f14;
  --surface: #111820;
  --surface-muted: #0f151c;
  --text: #f5f7fa;
  --subtext: #aeb8c4;
  --primary: #f0b429;
  --primary-dark: #f7c948;
  --primary-soft: rgba(240, 180, 41, 0.13);
  --ink: #ffffff;
  --border: rgba(255, 255, 255, 0.1);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 82% 18%, rgba(240, 180, 41, 0.14), transparent 28%),
    radial-gradient(circle at 8% 38%, rgba(240, 180, 41, 0.08), transparent 24%),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    #0b0f14;
  background-size: auto, auto, 72px 72px, 72px 72px, auto;
}

.portfolio-page .site-header {
  background: rgba(11, 15, 20, 0.82);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.18);
}

.portfolio-page .logo {
  color: var(--primary);
  font-size: 22px;
}

.portfolio-page .nav-links {
  color: #d3dae2;
}

.portfolio-page .nav-links a:hover,
.portfolio-page .nav-links a.active {
  color: var(--primary);
}

.portfolio-page .nav-links a::after {
  background: var(--primary);
}

.portfolio-page .menu-toggle {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.12);
}

.portfolio-page .menu-toggle span {
  background: #ffffff;
}

.portfolio-page .hero {
  position: relative;
  min-height: 100vh;
}

.portfolio-page .hero-copy {
  padding-top: 40px;
}

.portfolio-page .eyebrow {
  color: var(--primary);
  letter-spacing: 0;
}

.portfolio-page .hero-copy h1 {
  color: #ffffff;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.16;
}

.portfolio-page .hero-copy h1 span {
  display: block;
}

.portfolio-page .hero-copy h1 span:last-child {
  white-space: nowrap;
}

.portfolio-page .hero-text {
  color: #c4cdd7;
}

.portfolio-page .btn {
  min-height: 50px;
  color: #f7c948;
  background: transparent;
  border-color: rgba(240, 180, 41, 0.56);
  box-shadow: none;
}

.portfolio-page .btn.primary {
  color: #111820;
  background: var(--primary);
  border-color: var(--primary);
}

.portfolio-page .btn:hover {
  box-shadow: 0 16px 34px rgba(240, 180, 41, 0.16);
}

.portfolio-page .hero-visual {
  align-items: flex-end;
}

.portfolio-page .profile-frame {
  width: min(430px, 100%);
  aspect-ratio: 0.82;
  background:
    linear-gradient(180deg, rgba(240, 180, 41, 0.18), rgba(240, 180, 41, 0.04)),
    #111820;
  border: 1px solid rgba(240, 180, 41, 0.28);
  box-shadow: 0 32px 90px rgba(0, 0, 0, 0.48);
}

.portfolio-page .profile-frame::before {
  position: absolute;
  inset: 22px;
  content: "";
  border: 1px solid rgba(240, 180, 41, 0.22);
  border-radius: 8px;
}

.portfolio-page .profile-frame span {
  position: relative;
  z-index: 1;
  color: #111820;
  background: var(--primary);
  border: 0;
}

.portfolio-page .profile-frame p {
  color: rgba(255, 255, 255, 0.56);
}

.portfolio-page .section-heading h2,
.portfolio-page .projects-heading h2 {
  color: #ffffff;
  font-size: clamp(34px, 5vw, 58px);
}

.portfolio-page .section-heading h2::after,
.portfolio-page .projects-heading h2::after {
  display: block;
  width: 58px;
  height: 4px;
  margin-top: 14px;
  content: "";
  background: var(--primary);
  border-radius: 999px;
}

.portfolio-page .contact-heading h2::after {
  margin-right: auto;
  margin-left: auto;
}

.portfolio-page .about-photo,
.portfolio-page .profile-grid article,
.portfolio-page .skill-category,
.portfolio-page .showcase-card,
.portfolio-page .contact-list article {
  background: rgba(17, 24, 32, 0.86);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
}

.portfolio-page .about-photo {
  color: var(--primary);
  background:
    linear-gradient(145deg, rgba(240, 180, 41, 0.16), rgba(255, 255, 255, 0.04)),
    #111820;
}

.portfolio-page .about-copy h3,
.portfolio-page .profile-grid strong,
.portfolio-page .skill-category h3,
.portfolio-page .showcase-content h3,
.portfolio-page .contact-list a,
.portfolio-page .contact-list p {
  color: #ffffff;
}

.portfolio-page .about-copy p,
.portfolio-page .projects-heading > p,
.portfolio-page .showcase-content p,
.portfolio-page .contact-heading p:last-child {
  color: #aeb8c4;
}

.portfolio-page .profile-grid span,
.portfolio-page .contact-list span,
.portfolio-page .project-label {
  color: var(--primary);
}

.portfolio-page .skill-chip-list span {
  color: #f5f7fa;
  background: rgba(255, 255, 255, 0.045);
  border-color: rgba(255, 255, 255, 0.09);
}

.portfolio-page .skill-chip-list i {
  background: var(--primary);
  border-color: var(--primary);
}

.portfolio-page .projects-section {
  background: transparent;
}

.portfolio-page .showcase-card {
  overflow: hidden;
}

.portfolio-page .showcase-visual {
  background: #0f151c;
}

.portfolio-page .project-meta span {
  color: #111820;
  background: var(--primary);
}

.portfolio-page .view-project {
  color: #111820;
  background: var(--primary);
}

.portfolio-page .footer {
  color: #8f9aa7;
  background: #090d12;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

@media (max-width: 900px) {
  .portfolio-page .hero-copy {
    padding-top: 0;
  }
}

@media (max-width: 680px) {
  .portfolio-page .nav-links {
    background: rgba(17, 24, 32, 0.98);
    border-color: rgba(255, 255, 255, 0.1);
  }

  .portfolio-page .hero-copy h1 {
    font-size: clamp(30px, 9vw, 42px);
  }
}

/* Project Detail Dark Theme */
.project-page {
  --bg: #0b0f14;
  --surface: #111820;
  --surface-muted: #0f151c;
  --text: #f5f7fa;
  --subtext: #aeb8c4;
  --primary: #f0b429;
  --primary-dark: #f7c948;
  --primary-soft: rgba(240, 180, 41, 0.13);
  --ink: #ffffff;
  --border: rgba(255, 255, 255, 0.1);
  --accent: #f0b429;
  --accent-soft: rgba(240, 180, 41, 0.13);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 86% 14%, rgba(240, 180, 41, 0.14), transparent 28%),
    radial-gradient(circle at 8% 42%, rgba(240, 180, 41, 0.08), transparent 24%),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    #0b0f14;
  background-size: auto, auto, 72px 72px, 72px 72px, auto;
}

.project-page .site-header {
  background: rgba(11, 15, 20, 0.84);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.18);
}

.project-page .logo,
.project-page .back-link,
.project-page .eyebrow,
.project-page .project-label {
  color: var(--primary);
}

.project-page .nav-links {
  color: #d3dae2;
}

.project-page .nav-links a:hover {
  color: var(--primary);
}

.project-page .nav-links a::after {
  background: var(--primary);
}

.project-page .menu-toggle {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.12);
}

.project-page .menu-toggle span {
  background: #ffffff;
}

.project-page .detail-hero {
  padding-top: 118px;
}

.project-page .detail-hero h1,
.project-page .section-heading h2,
.project-page .detail-card h3,
.project-page .feature-item h3,
.project-page .feature-side-note h3,
.project-page .showcase-content h3 {
  color: #ffffff;
}

.project-page .detail-hero h1 {
  font-size: clamp(44px, 7vw, 78px);
}

.project-page .detail-lead,
.project-page .detail-card p,
.project-page .detail-card li,
.project-page .feature-side-note p,
.project-page .feature-item p,
.project-page .trouble-card p,
.project-page .learned-box p,
.project-page .showcase-content p {
  color: var(--subtext);
}

.project-page .detail-image,
.project-page .detail-card,
.project-page .feature-item,
.project-page .feature-side-note,
.project-page .hero-summary div,
.project-page .trouble-card,
.project-page .learned-box,
.project-page .contact-card,
.project-page .showcase-card {
  background: rgba(17, 24, 32, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
}

.project-page .detail-image {
  background: #0f151c;
}

.project-page .detail-image img,
.project-page .feature-item img,
.project-page .feature-shot img,
.project-page .showcase-visual img {
  background: #ffffff;
}

.project-page .muted-detail {
  background: rgba(15, 21, 28, 0.72);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.project-page .hero-summary strong,
.project-page .trouble-card strong,
.project-page .learned-box strong,
.project-page .stack-group p,
.project-page .feature-number,
.project-page .feature-side-note strong {
  color: var(--primary);
}

.project-page .hero-summary span,
.project-page .feature-summary {
  color: #ffffff;
}

.project-page .tags span,
.project-page .project-meta span {
  color: #111820;
  background: var(--primary);
}

.project-page .learned-box {
  background: rgba(240, 180, 41, 0.12);
  border-color: rgba(240, 180, 41, 0.22);
}

.project-page .section-heading h2::after {
  display: block;
  width: 58px;
  height: 4px;
  margin-top: 14px;
  content: "";
  background: var(--primary);
  border-radius: 999px;
}

.full-gallery-section {
  padding-top: 70px;
}

.screen-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.screen-gallery figure {
  overflow: hidden;
  margin: 0;
  background: rgba(17, 24, 32, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.26);
  cursor: zoom-in;
}

.screen-gallery img {
  display: block;
  width: 100%;
  height: 360px;
  object-fit: contain;
  background: #ffffff;
  transition: transform 0.25s ease;
}

.screen-gallery figure:hover img {
  transform: scale(1.02);
}

.screen-gallery figcaption {
  padding: 14px 16px;
  color: #ffffff;
  font-size: 14px;
  font-weight: 800;
}

.screen-gallery .caption-nowrap {
  white-space: nowrap;
}

.screen-zoom-preview {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 34px;
  background: rgba(5, 9, 14, 0.76);
  backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.18s ease, visibility 0.18s ease;
}

.screen-zoom-preview.active {
  opacity: 1;
  visibility: visible;
}

.screen-zoom-preview img {
  max-width: min(94vw, 1280px);
  max-height: 88vh;
  object-fit: contain;
  background: #ffffff;
  border-radius: 8px;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.42);
}

.project-page .footer {
  color: #8f9aa7;
  background: #090d12;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

@media (max-width: 680px) {
  .project-page .nav-links {
    background: rgba(17, 24, 32, 0.98);
    border-color: rgba(255, 255, 255, 0.1);
  }

  .project-page .detail-hero {
    padding-top: 96px;
  }

  .screen-gallery {
    grid-template-columns: 1fr;
  }

  .screen-gallery img {
    height: 260px;
  }
}