@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Unbounded:wght@400;700;900&display=swap');

:root {
  /* Colors */
  --c-bone: #F2EDE4;
  --c-ink: #0D0D0D;
  --c-red: #D9220F;
  --c-mid: #7A7167;

  /* Typography Scale */
  --f-display: clamp(52px, 8vw, 128px);
  --f-heading: clamp(40px, 6vw, 88px);
  --f-section: clamp(18px, 3vw, 36px);
  --f-card: clamp(14px, 1.5vw, 16px);
  --f-body: clamp(13px, 1.5vw, 15px);
  --f-label: clamp(10px, 1.2vw, 11px);

  /* Spacing */
  --nav-h: 56px;
  --pad: clamp(20px, 4vw, 64px);
  --max-w: 1280px;
  
  /* Borders */
  --rule: 1px solid var(--c-ink);
  --rule-mid: 1px solid #C8C2B8;
  
  /* Fonts */
  --font-display: 'Unbounded', sans-serif;
  --font-mono: 'DM Mono', monospace;
}

/* Reset */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--c-bone);
  color: var(--c-ink);
  font-family: var(--font-mono);
  font-size: var(--f-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

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

ul {
  list-style: none;
}

/* Typography Classes */
.t-display {
  font-family: var(--font-display);
  font-size: var(--f-display);
  font-weight: 900;
  line-height: 1;
  text-transform: uppercase;
}

.t-heading {
  font-family: var(--font-display);
  font-size: var(--f-heading);
  font-weight: 900;
  line-height: 1.1;
  text-transform: uppercase;
}

.t-section {
  font-family: var(--font-display);
  font-size: var(--f-section);
  font-weight: 700;
  line-height: 1.2;
}

.t-card {
  font-family: var(--font-display);
  font-size: var(--f-card);
  font-weight: 700;
}

.t-body {
  font-family: var(--font-mono);
  font-size: var(--f-body);
  font-weight: 400;
}

.t-label {
  font-family: var(--font-mono);
  font-size: var(--f-label);
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.t-secondary {
  color: var(--c-mid);
}

.t-red {
  color: var(--c-red);
}

/* Layout Utilities */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.grid {
  display: grid;
  gap: var(--pad);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-auto {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

@media (max-width: 1023px) {
  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }
}

/* Navigation System */
.nav-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-h);
  background-color: var(--c-bone);
  border-bottom: var(--rule);
  display: flex;
  z-index: 100;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  padding: 0 var(--pad);
  border-right: var(--rule);
}

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

.nav-links {
  display: flex;
  flex: 1;
  overflow-x: auto;
  scrollbar-width: none;
}

.nav-links::-webkit-scrollbar {
  display: none;
}

.nav-item {
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
  border-right: var(--rule);
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
}

.nav-item:hover {
  background-color: var(--c-ink);
  color: var(--c-bone);
}

.nav-item.active {
  background-color: var(--c-ink);
  color: var(--c-red);
}

/* Page Layout */
.page-wrap {
  padding-top: var(--nav-h);
  min-height: 100vh;
}

section {
  padding: var(--pad) 0;
  border-bottom: var(--rule);
}

section:last-child {
  border-bottom: none;
}

/* Interaction & Motion */
.hover-lift {
  transition: transform 0.2s, box-shadow 0.2s;
}

.hover-lift:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 0 var(--c-ink);
}

.btn {
  display: inline-block;
  padding: 1rem 2rem;
  border: var(--rule);
  background: transparent;
  color: var(--c-ink);
  font-family: var(--font-mono);
  font-size: var(--f-body);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.btn:hover {
  background-color: var(--c-ink);
  color: var(--c-bone);
}

.btn-fill {
  background-color: var(--c-ink);
  color: var(--c-bone);
}

.btn-fill:hover {
  background-color: var(--c-red);
  border-color: var(--c-red);
}

/* Hero Section */
.hero-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: calc(100vh - var(--nav-h));
}

.hero-left {
  padding: var(--pad);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: var(--rule);
}

.hero-right {
  background-color: var(--c-ink);
  color: var(--c-bone);
  padding: var(--pad);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

@media (max-width: 700px) {
  .hero-split {
    grid-template-columns: 1fr;
  }
  .hero-left {
    border-right: none;
    border-bottom: var(--rule);
    min-height: 50vh;
  }
}

/* Marquee */
.marquee-container {
  overflow: hidden;
  white-space: nowrap;
  border-top: var(--rule);
  border-bottom: var(--rule);
  padding: 1rem 0;
  background-color: var(--c-bone);
}

.marquee-content {
  display: inline-block;
  animation: marquee 20s linear infinite;
}

.marquee-content span {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2rem;
  text-transform: uppercase;
  margin-right: 2rem;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Availability Dot */
.avail-dot {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--c-red);
  margin-right: 8px;
  animation: pulse-dot 2s ease infinite;
}

@keyframes pulse-dot {
  0% { opacity: 1; }
  50% { opacity: 0.4; }
  100% { opacity: 1; }
}

/* Project Cards */
.project-card {
  border: var(--rule);
  display: block;
  overflow: hidden;
  background-color: var(--c-bone);
  transition: background 0.15s, color 0.15s;
}

.project-card:hover {
  background-color: var(--c-ink);
  color: var(--c-bone);
}

.project-card:hover .card-arrow {
  transform: translateX(5px);
  color: var(--c-red);
}

.card-img {
  aspect-ratio: 4/3;
  border-bottom: var(--rule);
  background-color: var(--c-mid);
  object-fit: cover;
  width: 100%;
}

.card-info {
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-arrow {
  transition: transform 0.15s, color 0.15s;
  font-family: var(--font-mono);
}

/* About Layout */
.about-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: var(--pad);
}

@media (max-width: 1023px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
}

.skill-bar-container {
  margin-bottom: 1.5rem;
}

.skill-bar-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.skill-bar-track {
  height: 8px;
  background-color: transparent;
  border: var(--rule);
  width: 100%;
}

.skill-bar-fill {
  height: 100%;
  background-color: var(--c-ink);
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  border: var(--rule);
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
}

/* Work Filter Tabs */
.filter-tabs {
  display: flex;
  border-bottom: var(--rule);
  margin-bottom: var(--pad);
  overflow-x: auto;
}

.filter-tab {
  padding: 1rem 2rem;
  border-right: var(--rule);
  cursor: pointer;
  background: transparent;
  border-top: none;
  border-left: none;
  font-family: var(--font-mono);
  text-transform: uppercase;
}

.filter-tab.active {
  background-color: var(--c-ink);
  color: var(--c-bone);
}

.collapsible-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  border-bottom: var(--rule);
  cursor: pointer;
  margin-bottom: 2rem;
}

/* Resume Sidebar */
.resume-layout {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: var(--pad);
  align-items: start;
}

.resume-sidebar {
  position: sticky;
  top: calc(var(--nav-h) + var(--pad));
  border-right: var(--rule);
  padding-right: var(--pad);
}

@media (max-width: 1023px) {
  .resume-layout {
    grid-template-columns: 1fr;
  }
  .resume-sidebar {
    position: static;
    border-right: none;
    padding-right: 0;
    border-bottom: var(--rule);
    padding-bottom: var(--pad);
  }
}

.timeline-entry {
  margin-bottom: 3rem;
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  border-bottom: var(--rule-mid);
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
}

/* Contact Form */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--pad);
}

@media (max-width: 1023px) {
  .contact-layout {
    grid-template-columns: 1fr;
  }
}

.contact-card {
  display: block;
  padding: 2rem;
  border: var(--rule);
  margin-bottom: 1rem;
  transition: padding-left 0.15s, background 0.15s, color 0.15s;
}

.contact-card:hover {
  padding-left: 2.5rem;
  background-color: var(--c-ink);
  color: var(--c-bone);
}

.form-group {
  margin-bottom: 2rem;
}

.form-input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: var(--rule);
  padding: 1rem 0;
  font-family: var(--font-mono);
  font-size: var(--f-body);
  color: var(--c-ink);
  outline: none;
}

.form-input:focus {
  border-bottom-color: var(--c-red);
}

.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1rem;
}

.checkbox-label {
  display: flex;
  align-items: center;
  cursor: pointer;
}

.checkbox-label input {
  margin-right: 0.5rem;
  accent-color: var(--c-ink);
}

#success-msg {
  display: none;
  padding: 2rem;
  background-color: var(--c-ink);
  color: var(--c-bone);
  border: 1px solid var(--c-red);
}

/* Utility layout */
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-4 { margin-bottom: 4rem; }
.mt-4 { margin-top: 4rem; }
.pb-2 { padding-bottom: 2rem; }
.pt-2 { padding-top: 2rem; }

/* Image placeholder */
.img-placeholder {
  background-color: var(--c-mid);
  width: 100%;
  aspect-ratio: 1;
}

.aspect-video {
  aspect-ratio: 16/9;
}