/* ============================================================
   CHRIS PORTFOLIO — Design System v2
   Dark mode, Neon Lime #BFF549, Sharp edges, Premium feel
   ============================================================ */

:root {
  --bg: #0A0A0A;
  --bg-surface: #111111;
  --bg-card: #161616;
  --accent: #BFF549;
  --accent-dim: rgba(191, 245, 73, 0.12);
  --accent-glow: rgba(191, 245, 73, 0.25);
  --white: #FFFFFF;
  --muted: rgba(255, 255, 255, 0.55);
  --subtle: rgba(255, 255, 255, 0.25);
  --border: rgba(255, 255, 255, 0.07);
  --border-bright: rgba(191, 245, 73, 0.2);

  --heading: 'Space Grotesk', system-ui, sans-serif;
  --body: 'Inter', system-ui, sans-serif;
  --mono: 'JetBrains Mono', monospace;

  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 16px;
  --sp-4: 24px;
  --sp-5: 32px;
  --sp-6: 48px;
  --sp-7: 64px;
  --sp-8: 96px;
  --sp-9: 128px;

  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --dur-fast: 0.18s;
  --dur-mid: 0.35s;
  --dur-slow: 0.7s;
}

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: var(--bg);
  color: var(--white);
  font-family: var(--body);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Grain overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='256' height='256' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 200px 200px;
}

::selection {
  background: var(--accent);
  color: #000;
}

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

h1,
h2,
h3,
h4 {
  font-family: var(--heading);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

h1 {
  font-size: clamp(52px, 8vw, 88px);
}

h2 {
  font-size: clamp(36px, 5vw, 60px);
}

h3 {
  font-size: clamp(22px, 3vw, 34px);
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--sp-4);
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

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

/* ================================
   NAVBAR
   ================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-5);
  padding: 14px var(--sp-6);
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: background var(--dur-base) var(--ease),
    border-color var(--dur-base) var(--ease);
}

.nav-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 1px;
  width: 0%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
  transition: width 0.1s linear;
}

.nav-logo {
  font-family: var(--heading);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.05em;
  color: var(--white);
}

.nav-logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: var(--sp-5);
  list-style: none;
}

.nav-links a {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color var(--dur-fast) var(--ease);
}

.nav-links a:hover {
  color: var(--accent);
}

.nav-cta {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--accent);
  color: #000;
  padding: 9px var(--sp-3);
  border: none;
  cursor: pointer;
  transition: transform var(--dur-fast) var(--spring), box-shadow var(--dur-fast);
}

.nav-cta:hover {
  transform: scale(1.04);
  box-shadow: 0 0 20px var(--accent-glow);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  transition: all var(--dur-fast) var(--ease);
}


/* ================================
   HERO
   ================================ */
.hero {
  position: relative;
  width: 100%;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(191, 245, 73, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(191, 245, 73, 0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 60%, transparent 100%);
}

.trail-dot {
  position: absolute;
  top: -12px;
  left: -12px;
  width: 24px;
  height: 24px;
  background: var(--accent);
  border-radius: 50%;
  filter: blur(5px);
  pointer-events: none;
  z-index: 5;
  will-change: transform, opacity;
  mix-blend-mode: screen;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 960px;
}

.hero-eyebrow {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin-bottom: var(--sp-4);
}

.hero-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: blink 2s ease-in-out infinite;
}

@keyframes blink {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.2;
  }
}

.hero h1 {
  margin-bottom: var(--sp-4);
}

.hero h1 .accent {
  color: var(--accent);
}

.hero-sub {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  color: var(--muted);
  max-width: 560px;
  line-height: 1.75;
  margin-bottom: var(--sp-6);
}

.hero-btns {
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
}

.btn-primary {
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--accent);
  color: #000;
  padding: 14px 32px;
  border: none;
  cursor: pointer;
  transition: transform var(--dur-fast) var(--spring), box-shadow var(--dur-fast);
}

.btn-primary:hover {
  transform: scale(1.04);
  box-shadow: 0 0 24px var(--accent-glow);
}

.btn-ghost {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: transparent;
  color: var(--muted);
  padding: 14px 32px;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ================================
   MARQUEE TICKER
   ================================ */
.marquee {
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface);
  padding: var(--sp-4) 0;
  white-space: nowrap;
  display: flex;
}

.marquee-track {
  display: inline-flex;
  animation: marquee-scroll 28s linear infinite;
}

.marquee-item {
  font-family: var(--heading);
  font-size: clamp(18px, 2vw, 22px);
  text-transform: uppercase;
  color: var(--accent);
  letter-spacing: -0.01em;
  padding: 0 var(--sp-7);
  display: flex;
  align-items: center;
  gap: var(--sp-7);
}

.marquee-item::after {
  content: '✦';
  font-size: 0.8rem;
  color: var(--subtle);
}

@keyframes marquee-scroll {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(-50%);
  }
}

/* ================================
   ABOUT
   ================================ */
#about {
  padding: var(--sp-9) 0;
}

.about-inner {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.section-tag {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  margin-bottom: var(--sp-4);
}

.section-tag::before {
  content: '';
  display: block;
  width: 20px;
  height: 1px;
  background: var(--accent);
}

.about-inner h2 {
  font-size: clamp(42px, 7vw, 72px);
  letter-spacing: -0.04em;
  margin-bottom: var(--sp-6);
  line-height: 1.05;
}

.about-inner p {
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  color: var(--muted);
  line-height: 1.8;
  margin: 0 auto var(--sp-4);
  max-width: 700px;
}

.skills-row {
  display: flex;
  justify-content: center;
  gap: var(--sp-8);
  flex-wrap: wrap;
  margin-top: var(--sp-8);
  padding-top: var(--sp-6);
  border-top: 1px solid var(--border);
}

.skill-item {
  text-align: center;
  cursor: default;
}

.skill-label {
  font-family: var(--heading);
  font-size: clamp(52px, 8vw, 88px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  -webkit-text-stroke: 1px var(--accent);
  color: transparent;
  transition: color var(--dur-mid) var(--ease), text-shadow var(--dur-mid) var(--ease);
  display: block;
  margin-bottom: var(--sp-2);
}

.skill-item:hover .skill-label {
  color: var(--accent);
  text-shadow: 0 0 40px var(--accent-glow);
}

.skill-desc {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
}


/* ================================
   SERVICES
   ================================ */
#services {
  padding: var(--sp-9) 0;
}

.services-head {
  margin-bottom: var(--sp-7);
}



.services-head h2 .accent {
  color: var(--accent);
}

.services-list {
  border-top: 1px solid var(--border);
}

.services-list:hover .service-row {
  opacity: 0.35;
}

.service-row {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  align-items: center;
  gap: var(--sp-4);
  padding: var(--sp-5) 0;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: opacity var(--dur-mid) var(--ease), padding var(--dur-mid) var(--ease);
  overflow: hidden;
}

.services-list .service-row:hover {
  opacity: 1;
  padding: var(--sp-6) 0;
}

.service-num {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--subtle);
  transition: color var(--dur-fast);
}

.service-row:hover .service-num {
  color: var(--accent);
}

.service-name {
  font-family: var(--heading);
  font-size: clamp(28px, 4vw, 56px);
  font-weight: 700;
  letter-spacing: -0.03em;
  transition: transform var(--dur-mid) var(--ease), color var(--dur-fast);
}

.service-row:hover .service-name {
  transform: translateX(16px);
  color: var(--accent);
}

.service-meta {
  text-align: right;
  opacity: 0;
  transform: translateX(16px);
  transition: opacity var(--dur-mid) var(--ease), transform var(--dur-mid) var(--ease);
}

.service-row:hover .service-meta {
  opacity: 1;
  transform: translateX(0);
}

.service-meta p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.6;
  max-width: 320px;
  margin-bottom: var(--sp-3);
}

.service-tags {
  display: flex;
  gap: var(--sp-2);
  flex-wrap: wrap;
  justify-content: flex-end;
}

.service-tag {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--subtle);
  padding: 3px 8px;
  border: 1px solid var(--border);
}


/* ================================
   PHILOSOPHY / MANIFESTO
   ================================ */
.manifesto {
  padding: var(--sp-9) 0;
  text-align: center;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.manifesto-inner {
  max-width: 860px;
  margin: 0 auto;
}

.manifesto p.small {
  font-size: 1.1rem;
  color: var(--muted);
  margin-bottom: var(--sp-5);
  line-height: 1.75;
}

.manifesto h2 {
  font-size: clamp(28px, 4.5vw, 52px);
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.manifesto h2 .accent {
  color: var(--accent);
  font-style: italic;
}


/* ================================
   WORK / PROJECTS
   ================================ */
#work {
  padding: var(--sp-9) 0;
}

.work-head {
  margin-bottom: var(--sp-7);
}

.work-head h2 .accent {
  color: var(--accent);
}



.work-item {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: var(--sp-7);
  align-items: center;
  padding: var(--sp-7) 0;
  border-top: 1px solid var(--border);
}

.work-item:last-child {
  border-bottom: 1px solid var(--border);
}

.work-meta-row {
  display: flex;
  gap: var(--sp-4);
  margin-bottom: var(--sp-4);
}

.work-meta-row span {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--subtle);
}

.work-item h3 {
  font-size: clamp(26px, 3.5vw, 42px);
  margin-bottom: var(--sp-3);
}

.work-item p {
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: var(--sp-4);
  max-width: 46ch;
}

.work-link {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  transition: gap var(--dur-fast) var(--ease);
}

.work-link:hover {
  gap: var(--sp-3);
}

.work-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: transform var(--dur-mid) var(--ease), box-shadow var(--dur-mid) var(--ease), border-color var(--dur-mid) var(--ease);
  border-radius: 4px;
}

.work-item:hover .work-image {
  transform: translateY(-8px) scale(1.01);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.6), 0 0 0 1px var(--border-bright);
}

.work-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease), filter var(--dur-slow) var(--ease);
  filter: grayscale(15%) brightness(0.9);
}

.work-item:hover .work-image img {
  transform: scale(1.08);
  filter: grayscale(0%) brightness(1.1);
}


/* ================================
   CONTACT
   ================================ */
#contact {
  padding: var(--sp-9) 0;
  text-align: center;
}

#contact .section-tag {
  justify-content: center;
}

#contact h2 {
  margin-bottom: var(--sp-3);
}

#contact h2 .accent {
  color: var(--accent);
}

.contact-desc {
  font-size: 1.1rem;
  color: var(--muted);
  line-height: 1.75;
  max-width: 480px;
  margin: 0 auto var(--sp-6);
}

.contact-links {
  display: flex;
  justify-content: center;
  gap: var(--sp-4);
  flex-wrap: wrap;
}

.contact-link {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  padding: var(--sp-3) var(--sp-5);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  transition: all var(--dur-fast) var(--ease);
}

.contact-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}


/* ================================
   FOOTER
   ================================ */
.footer {
  padding: var(--sp-7) 0;
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--sp-6);
  margin-bottom: var(--sp-6);
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--muted);
  margin-top: var(--sp-2);
  max-width: 28ch;
  line-height: 1.6;
}

.footer-col h4 {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--subtle);
  margin-bottom: var(--sp-3);
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.footer-col ul li a {
  font-size: 0.9rem;
  color: var(--muted);
  transition: color var(--dur-fast);
}

.footer-col ul li a:hover {
  color: var(--accent);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--sp-4);
  border-top: 1px solid var(--border);
}

.footer-bottom p {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--subtle);
}

.footer-icon {
  cursor: pointer;
  display: inline-block;
  font-size: 1.8rem;
  line-height: 0;
  vertical-align: middle;
  transition: transform 0.2s;
  user-select: none;
}

.footer-icon:hover { transform: scale(1.3); }

.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  background: var(--accent);
  border-radius: 50%;
  margin-right: var(--sp-2);
  animation: blink 3s ease-in-out infinite;
}


/* ================================
   RESPONSIVE
   ================================ */
@media (max-width: 1024px) {
  .work-item {
    grid-template-columns: 1fr;
  }

  .work-image {
    order: -1;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-5);
  }

  .service-row {
    grid-template-columns: 56px 1fr;
  }

  .service-meta {
    display: none;
  }
}

@media (max-width: 768px) {

  #about,
  #services,
  #work,
  #contact {
    padding: var(--sp-8) 0;
  }

  .nav-links {
    display: none;
  }

  .nav-cta {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    transform: none;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: var(--sp-5) var(--sp-4);
    border-bottom: 1px solid var(--border);
    gap: var(--sp-3);
    z-index: 200;
  }

  .nav-links.open a {
    font-size: 0.85rem;
    padding: var(--sp-2) 0;
  }

  /* Hide trail dots on mobile */
  .trail-dot {
    display: none !important;
  }

  /* Skills: always filled on mobile (no hover) */
  .skill-label {
    color: var(--accent);
    -webkit-text-stroke: 0;
  }

  /* Services: show content directly on mobile (no hover) */
  .services-list:hover .service-row {
    opacity: 1;
  }

  .service-row {
    grid-template-columns: 40px 1fr;
    padding: var(--sp-4) 0;
    cursor: default;
  }

  .service-row:hover .service-name {
    transform: none;
    color: inherit;
  }

  .service-row:hover .service-num {
    color: var(--subtle);
  }

  .service-meta {
    display: block;
    grid-column: 1 / -1;
    opacity: 1;
    transform: none;
    text-align: left;
    padding-top: var(--sp-2);
  }

  .service-meta p {
    max-width: none;
  }

  .service-tags {
    justify-content: flex-start;
  }

  /* Work images: always show normal state */
  .work-image img {
    filter: none;
  }

  /* Language toggle: tighter on mobile */
  .lang-toggle {
    top: 10px;
    right: 56px;
  }

  .skills-row {
    gap: var(--sp-5);
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--sp-3);
    text-align: center;
  }
}

/* Language toggle */
.lang-toggle {
  position: fixed;
  top: 12px;
  right: 16px;
  z-index: 101;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 6px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: rgba(10, 10, 10, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.flag-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  line-height: 0;
  opacity: 0.3;
  filter: saturate(0);
  transition: opacity 0.2s, filter 0.2s, transform 0.15s;
}
.flag-btn.active {
  opacity: 0.9;
  filter: none;
}
.flag-btn:hover {
  opacity: 0.6;
  filter: saturate(0.5);
  transform: scale(1.1);
}
.flag-btn.active:hover {
  opacity: 1;
  transform: scale(1.06);
}
.flag-btn svg { display: block; }