:root {
  --ink: #071214;
  --ink-soft: #132326;
  --text: #eff8f6;
  --muted: #a8bbb7;
  --paper: #f4f1ea;
  --paper-strong: #ffffff;
  --body: #243235;
  --teal: #24b6ad;
  --teal-dark: #0d716d;
  --amber: #d6a351;
  --clay: #bc6e50;
  --line: rgba(7, 18, 20, 0.12);
  --shadow: 0 24px 60px rgba(7, 18, 20, 0.22);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--body);
  background: var(--paper);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

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

.site-header {
  position: fixed;
  z-index: 20;
  top: -1px; /* Extends 1px above top edge to prevent sub-pixel white gaps on scroll */
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 17px clamp(20px, 5vw, 72px) 16px; /* Offset padding-top by 1px to balance top: -1px */
  color: var(--text);
  background: rgba(7, 18, 20, 0); /* Explicit transparent base for background transition */
  border-bottom: 1px solid transparent; /* Pre-defined transparent border to prevent layout-popping glitches */
  backdrop-filter: blur(0px); /* Pre-defined filter base for smooth blurring transition */
  -webkit-backdrop-filter: blur(0px);
  box-shadow: 0 10px 30px rgba(3, 11, 12, 0); /* Pre-defined transparent shadow base */
  transition: background 180ms ease, border-color 180ms ease, backdrop-filter 180ms ease, box-shadow 180ms ease;
  transform: translate3d(0, 0, 0); /* Forces GPU compositing layer to eliminate scrolling glitches */
  backface-visibility: hidden;
  will-change: transform, background, backdrop-filter, border-color, box-shadow;
}

.site-header.is-scrolled,
.site-header.is-open {
  background: rgba(7, 18, 20, 0.88);
  border-bottom-color: rgba(36, 182, 173, 0.15); /* Smoothly transitions color instead of adding new border */
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 10px 30px rgba(3, 11, 12, 0.3); /* Adds a subtle dark shadow for depth and separation */
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.08);
  color: var(--teal);
  font-size: 0.82rem;
  letter-spacing: 0;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 34px);
  font-size: 0.94rem;
  font-weight: 700;
}

.site-nav a {
  color: rgba(239, 248, 246, 0.82);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--paper-strong);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.08);
  padding: 10px;
}

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

.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: var(--text);
  background: var(--ink); /* Fallback dark background to prevent light body color from bleeding on scroll */
  isolation: isolate;
  padding-top: 100px;
  padding-bottom: 50px;
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media {
  z-index: -2;
  background-image: url("assets/hero-workspace.png");
  background-size: cover;
  background-position: center right;
  transform: scale(1.02);
}

.hero-overlay {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(7, 18, 20, 0.96) 0%, rgba(7, 18, 20, 0.82) 36%, rgba(7, 18, 20, 0.26) 72%),
    linear-gradient(180deg, rgba(7, 18, 20, 0.28) 0%, rgba(7, 18, 20, 0.7) 100%);
}

.hero-content {
  width: min(650px, calc(100% - 40px));
  margin-left: clamp(20px, 7vw, 96px);
  padding: clamp(30px, 5vw, 48px);
  background: rgba(7, 18, 20, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-left: 4px solid var(--teal);
  border-radius: 12px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 
    0 24px 60px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  font-size: clamp(1.85rem, 4.2vw, 2.85rem);
  line-height: 1.2;
  letter-spacing: -0.010em;
}

.hero-copy {
  max-width: 610px;
  margin: 26px 0 0;
  color: rgba(239, 248, 246, 0.82);
  font-size: clamp(1.02rem, 2vw, 1.25rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 20px;
  border: 1px solid transparent;
  font-weight: 800;
}

.button.primary {
  background: var(--teal);
  color: #031314;
}

.button.primary:hover,
.button.primary:focus-visible {
  background: #5bd4cb;
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.24);
  color: var(--paper-strong);
  background: rgba(255, 255, 255, 0.06);
}

.button.secondary:hover,
.button.secondary:focus-visible {
  border-color: var(--paper-strong);
}

.summary-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}

.summary-item {
  min-height: 128px;
  padding: 30px clamp(22px, 5vw, 54px);
  background: #fffbf3;
}

.summary-item strong,
.summary-item span {
  display: block;
}

.summary-item strong {
  color: var(--ink);
  font-size: 0.86rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.summary-item span {
  margin-top: 10px;
  color: var(--body);
  font-weight: 700;
}

.section {
  padding: clamp(74px, 9vw, 128px) clamp(20px, 6vw, 86px);
}

.section-heading {
  max-width: 850px;
  margin-bottom: 42px;
}

.section-heading h2,
.contact-content h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(2rem, 5vw, 4.2rem);
  line-height: 1;
  letter-spacing: 0;
}

/* Projects Section */
.work-section {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.section-subtitle {
  margin-top: 12px;
  color: var(--body);
  font-size: 1.15rem;
  max-width: 680px;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
  margin-top: 48px;
}

.project-card {
  display: flex;
  flex-direction: column;
  background: var(--paper-strong);
  padding: 30px;
  border: 1px solid var(--line);
  box-shadow: 0 8px 30px rgba(7, 18, 20, 0.04);
  transition: transform 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
  min-height: 280px;
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--teal);
  box-shadow: 0 16px 40px rgba(7, 18, 20, 0.09);
}

.project-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.project-category {
  color: var(--clay);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.72rem;
}

.project-link {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--teal-dark);
  border-bottom: 1px solid transparent;
  transition: color 150ms ease, border-color 150ms ease;
}

.project-link:hover {
  color: var(--teal);
  border-color: var(--teal);
}

.project-card h3 {
  margin: 0 0 12px;
  color: var(--ink);
  font-size: 1.35rem;
  line-height: 1.25;
}

.project-desc {
  margin: 0 0 24px;
  color: var(--body);
  font-size: 0.96rem;
  line-height: 1.6;
  flex-grow: 1;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.project-tags span {
  padding: 4px 8px;
  background: rgba(36, 182, 173, 0.08);
  border: 1px solid rgba(36, 182, 173, 0.15);
  color: var(--teal-dark);
  font-size: 0.76rem;
  font-weight: 700;
  border-radius: 2px;
}

.services-section {
  background: #e8f3f0;
}

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

.service-card {
  min-height: 258px;
  padding: 28px;
  background: var(--paper-strong);
  border: 1px solid rgba(13, 113, 109, 0.14);
  box-shadow: 0 12px 30px rgba(13, 113, 109, 0.08);
}

.service-number {
  color: var(--clay);
  font-weight: 900;
}

.service-card h3,
.skill-column h3,
.timeline-item h3 {
  margin: 18px 0 10px;
  color: var(--ink);
  font-size: 1.25rem;
  line-height: 1.2;
}

.service-card p,
.timeline-item p,
.contact-content p {
  margin: 0;
  color: #536467;
}

.skills-section {
  background: var(--paper);
}

.skills-layout {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}

.skill-column {
  padding-top: 22px;
  border-top: 2px solid var(--ink);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.skill-tags span {
  padding: 9px 12px;
  background: #fffaf0;
  border: 1px solid rgba(7, 18, 20, 0.1);
  color: var(--ink-soft);
  font-size: 0.93rem;
  font-weight: 700;
}

.experience-section {
  background: var(--ink);
}

.experience-section .section-heading h2 {
  color: var(--text);
}

.timeline {
  display: grid;
  gap: 1px;
  background: rgba(255, 255, 255, 0.12);
}

.timeline-item {
  display: grid;
  grid-template-columns: 140px minmax(0, 0.8fr) minmax(0, 1fr);
  gap: 26px;
  align-items: start;
  padding: 28px;
  background: #0b1a1d;
}

.timeline-item span {
  color: var(--amber);
  font-weight: 900;
}

.timeline-item h3 {
  margin: 0;
  color: var(--text);
}

.timeline-item p {
  color: rgba(239, 248, 246, 0.68);
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.7fr);
  gap: clamp(34px, 6vw, 90px);
  padding: clamp(74px, 9vw, 126px) clamp(20px, 6vw, 86px);
  background: #fffbf3;
}

.contact-content p:last-child {
  max-width: 640px;
  margin-top: 20px;
  font-size: 1.06rem;
}

.contact-actions {
  display: grid;
  gap: 14px;
}

.contact-link {
  display: grid;
  gap: 4px;
  padding: 20px;
  border-left: 4px solid var(--teal-dark);
  background: var(--paper-strong);
  box-shadow: 0 10px 28px rgba(7, 18, 20, 0.08);
}

.contact-link span {
  color: var(--clay);
  font-size: 0.82rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.contact-link strong {
  color: var(--ink);
  font-size: 1rem;
  overflow-wrap: anywhere;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(20px, 6vw, 86px);
  background: var(--ink);
  color: rgba(239, 248, 246, 0.76);
  font-weight: 700;
}

.site-footer a {
  color: var(--teal);
}

@media (max-width: 920px) {
  .summary-band,
  .projects-grid,
  .service-grid,
  .skills-layout,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .site-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    display: none;
    padding: 16px 20px 24px;
    background: rgba(7, 18, 20, 0.94);
    border-bottom: 1px solid rgba(36, 182, 173, 0.15);
  }

  .site-nav.is-open {
    display: grid;
  }

  .menu-toggle {
    display: block;
  }
}

@media (max-width: 640px) {
  .site-header {
    min-height: 66px;
    padding: 15px 18px 14px;
  }

  .brand span:last-child {
    max-width: 150px;
    line-height: 1.1;
  }

  .hero {
    min-height: 88vh;
  }

  .hero-media {
    background-position: 58% center;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(7, 18, 20, 0.96) 0%, rgba(7, 18, 20, 0.78) 58%, rgba(7, 18, 20, 0.46) 100%),
      linear-gradient(180deg, rgba(7, 18, 20, 0.1) 0%, rgba(7, 18, 20, 0.76) 100%);
  }

  .hero-content {
    width: calc(100% - 32px);
    margin-left: 16px;
    padding: 30px 22px;
  }

  .button {
    width: 100%;
  }

  .summary-item,
  .project-feature,
  .service-card,
  .timeline-item,
  .contact-link {
    padding: 22px;
  }

  .site-footer {
    display: grid;
  }
}