/*
 * Rafael Cortes - Systems Builder Portfolio Design System
 * Aesthetic: Systems Operator Notebook / Engineering Field Log
 */

/* -------------------------------------------------------------------------- */
/* 1. DESIGN TOKENS & VARIABLES                                               */
/* -------------------------------------------------------------------------- */
:root {
  color-scheme: dark;

  /* Color Palette - Foundation (Tailscale/Raycast/GitHub style) */
  --bg-color: #0E131F;
  --bg-color-alt: #151C2C;
  --bg-card: #1F293D;
  --bg-card-alt: #151C2C;
  --bg-elevated: #28354F;

  --text-color: #CBD5E1;
  --text-title: #F1F5F9;
  --text-muted: #94A3B8;

  --border-color: #2C3A54;
  --border-strong: #3F5175;

  --accent-color: #D97706;
  --accent-hover: #F59E0B;
  --accent-soft: rgba(217, 119, 6, 0.12);

  --success-color: #10B981;
  --warning-color: #F59E0B;

  --scrollbar-thumb: #2C3A54;
  --scrollbar-track: #0E131F;

  /* Grid line color - extremely low opacity */
  --grid-color: rgba(44, 58, 84, 0.15);

  /* Typography */
  --font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", monospace;

  /* Layout Constants */
  --border-radius: 4px;
  --border-radius-lg: 6px;
  --transition-smooth: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.1s ease;
  --max-width: 1040px;
}

/* -------------------------------------------------------------------------- */
/* 2. BASE RESETS & SCHEMATIC TEXTURE                                         */
/* -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

/* Serious technical design layout */
body {
  font-family: var(--font-sans);
  background-color: var(--bg-color);
  background-image: 
    linear-gradient(var(--grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
  background-size: 32px 32px;
  background-position: center top;
  color: var(--text-color);
  line-height: 1.6;
  transition: background-color 0.2s ease, color 0.2s ease;
  overflow-x: hidden;
  padding-top: 56px; /* Space for solid top sticky header */
}

/* Custom scrollbars */
body {
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
  scrollbar-width: thin;
}

@supports not (scrollbar-color: auto) {
  ::-webkit-scrollbar {
    width: 6px;
    height: 6px;
  }
  ::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
  }
  ::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 99px;
  }
  ::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
  }
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

button, input, textarea {
  font-family: inherit;
  font-size: inherit;
  background: none;
  border: none;
  outline: none;
}

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

/* -------------------------------------------------------------------------- */
/* 3. LAYOUT UTILITIES                                                        */
/* -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5.5rem 0;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-color);
}

.section:nth-of-type(even) {
  background-color: var(--bg-color-alt);
}

.section-header {
  margin-bottom: 3.5rem;
  max-width: 800px;
}

.section-mono-label {
  font-family: var(--font-mono);
  font-size: 0.725rem;
  font-weight: 700;
  color: var(--accent-color);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
  display: block;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
  color: var(--text-title);
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.55;
}

.badge {
  font-family: var(--font-mono);
  font-size: 0.725rem;
  font-weight: 600;
  padding: 0.25rem 0.55rem;
  border-radius: var(--border-radius);
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}


.badge-accent {
  background-color: var(--bg-elevated);
  border-color: var(--accent-color);
  color: var(--accent-color);
}


/* -------------------------------------------------------------------------- */
/* 4. BUTTONS & UI CONTROLS                                                   */
/* -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.925rem;
  font-weight: 600;
  padding: 0.7rem 1.4rem;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-primary {
  background-color: var(--accent-color);
  color: #ffffff;
  border: 1px solid var(--accent-color);
}

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

.btn-secondary {
  border: 1px solid var(--border-color);
  color: var(--text-title);
  background-color: var(--bg-elevated);
}

.btn-secondary:hover {
  border-color: var(--accent-color);
  background-color: var(--bg-color);
}

/* -------------------------------------------------------------------------- */
/* 5. SOLID TECHNICAL TOP STICKY HEADER                                       */
/* -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 56px;
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}


.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.logo-wrapper {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.header-logo {
  height: 32px;
  width: 32px;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .header-logo {
    height: 26px;
    width: 26px;
  }
}

.logo {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 750;
  letter-spacing: -0.02em;
  color: var(--text-title);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--success-color);
}

.nav-panel {
  display: flex;
  align-items: center;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-color); /* Restored from too muted var(--text-muted) */
  position: relative;
  padding: 0.35rem 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: var(--transition-fast);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background-color: var(--accent-color);
  transition: var(--transition-fast);
}

.nav-link:hover, .nav-link.is-active {
  color: var(--text-title);
}

.nav-link.is-active::after {
  width: 100%;
}

.nav-menu-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}


/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  width: 28px;
  height: 28px;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  color: var(--text-color); /* Restored from too muted var(--text-muted) */
  transition: var(--transition-fast);
  background-color: var(--bg-card-alt);
  cursor: pointer;
}

.mobile-toggle:hover {
  color: var(--text-title);
  border-color: var(--accent-hover);
  background-color: var(--bg-elevated);
}

.mobile-toggle svg {
  width: 16px;
  height: 16px;
}

/* -------------------------------------------------------------------------- */
/* 6. HERO SECTION & OPERATOR DOSSIER CARD                                    */
/* -------------------------------------------------------------------------- */
.hero-section {
  padding-top: 4.5rem;
  padding-bottom: 3.5rem;
  min-height: calc(75vh - 104px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.9fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-layout {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.hero-title-group {
  max-width: 600px;
}

.hero-name {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-color);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.hero-headline {
  font-size: 3.5rem;
  font-weight: 850;
  line-height: 1.1;
  letter-spacing: -0.04em;
  margin-bottom: 1.25rem;
  color: var(--text-title);
}

.hero-copy {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-note-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: var(--accent-color);
}

/* -------------------------------------------------------------------------- */
/* 6b. QUICK IDENTITY STRIP & WHAT I BUILD                                    */
/* -------------------------------------------------------------------------- */
.identity-strip {
  margin-top: -0.5rem;
  margin-bottom: 3.5rem;
}

.identity-strip-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  background-color: var(--bg-card-alt);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}


.identity-label {
  font-family: var(--font-mono);
  font-size: 0.725rem;
  font-weight: 750;
  color: var(--text-color);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.identity-separator {
  font-family: var(--font-mono);
  font-size: 0.725rem;
  color: var(--border-strong);
  user-select: none;
}

/* What I Build Grid */
.build-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-top: 2rem;
}

.build-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 1.25rem;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: var(--transition-fast);
}


.build-card:hover {
  border-color: var(--accent-hover);
}

.build-card-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.build-card-icon {
  font-size: 1.1rem;
}

.build-card-title {
  font-size: 0.95rem;
  font-weight: 750;
  color: var(--text-title);
}

.build-card-desc {
  font-size: 0.8rem;
  color: var(--text-color);
  line-height: 1.45;
}

/* Systems Operator Dossier Card (Tactile, flat 1px borders, zero cyberpunk glow) */
.hero-dossier-wrapper {
  display: flex;
  flex-direction: column;
}

.dossier-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-top: 3px solid var(--accent-color);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transition: border-color 0.2s ease;
}


.dossier-card:hover {
  border-color: var(--accent-color);
}

.dossier-header {
  background-color: var(--bg-elevated);
  border-bottom: 1px solid var(--border-color);
  padding: 0.5rem 1rem; /* Slightly reduced padding */
  display: flex;
  align-items: center;
  justify-content: space-between;
}


.dossier-title {
  font-family: var(--font-mono);
  font-size: 0.725rem;
  font-weight: 750;
  text-transform: uppercase;
  color: var(--text-title);
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.dossier-indicator {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--success-color);
  display: inline-block;
}

.dossier-body {
  padding: 1.15rem; /* Reduced padding from 1.5rem */
  display: flex;
  flex-direction: column;
  gap: 0.85rem; /* Reduced gap from 1.25rem */
}

.dossier-row {
  display: grid;
  grid-template-columns: 95px 1fr; /* Reduced label width slightly */
  gap: 0.85rem; /* Reduced gap from 1rem */
  font-size: 0.825rem; /* Slightly reduced font size from 0.85rem */
  line-height: 1.45;
}

.dossier-label {
  font-family: var(--font-mono);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-color);
  font-size: 0.725rem;
  letter-spacing: 0.02em;
}

.dossier-val {
  color: var(--text-title);
}

.dossier-val-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
}

/* -------------------------------------------------------------------------- */
/* 7. SELECTED WEB & PRODUCT SYSTEMS (CASE-STUDY CARDS)                       */
/* -------------------------------------------------------------------------- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}

.project-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-top: 3px solid var(--accent-color);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transition: border-color 0.2s ease;
}


.project-card:hover {
  border-color: var(--border-strong);
}

/* Schematic framed screenshots */
.project-image-wrapper {
  position: relative;
  overflow: hidden;
  background-color: var(--bg-elevated);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 1rem 0 1rem; /* frame spacing */
}

.project-image-frame {
  border: 1px solid var(--border-color);
  border-bottom: none;
  border-radius: var(--border-radius) var(--border-radius) 0 0;
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

.project-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.project-image-frame-secondary {
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  position: absolute;
  bottom: 1.25rem;
  right: 1.25rem;
  width: 35%;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
  z-index: 3;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.project-image-frame-secondary:hover {
  transform: translateY(-2px) scale(1.05);
  border-color: var(--accent-color);
}

/* Interactive technical collage layout (stable, flat) */
.project-collage-frame {
  position: relative;
  overflow: hidden;
  background-color: var(--bg-elevated);
}

.project-collage {
  position: relative;
  width: 100%;
  height: 100%;
}

.collage-item {
  position: absolute;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
  transition: border-color 0.2s ease;
  overflow: hidden;
  background-color: var(--bg-card);
}

.collage-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}

/* Base states: staggered, overlapping (4 items) - strictly stable */
.collage-item-desktop-main {
  top: 18%;
  left: 20%;
  width: 50%;
  aspect-ratio: 16 / 10;
  z-index: 1;
  border-color: var(--border-color);
}

.collage-item-desktop-sub1 {
  top: 8%;
  right: 6%;
  width: 34%;
  aspect-ratio: 16 / 10;
  z-index: 2;
  border-color: var(--border-color);
  opacity: 0.85;
}

.collage-item-desktop-sub2 {
  bottom: 8%;
  right: 12%;
  width: 34%;
  aspect-ratio: 16 / 10;
  z-index: 3;
  border-color: var(--border-color);
  opacity: 0.85;
}

.collage-item-mobile {
  top: 10%;
  left: 6%;
  width: 18%;
  aspect-ratio: 9 / 19.5;
  z-index: 4;
  border-color: var(--border-color);
  border-width: 2px; /* thicker simulated phone bezel */
  border-radius: 4px; /* bezel curvature */
}

/* Sharp, clean border transitions on hover */
.project-card:hover .collage-item {
  border-color: var(--accent-color);
}

.project-card:hover .collage-item-desktop-sub1,
.project-card:hover .collage-item-desktop-sub2 {
  opacity: 1;
}

/* Schematic Figure Overlay Caption */
.project-image-caption {
  position: absolute;
  bottom: 0.5rem;
  left: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.4);
  background-color: rgba(0, 0, 0, 0.7);
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  letter-spacing: 0.05em;
  z-index: 10;
}

.project-content {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  gap: 1.25rem;
}

.project-header {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.project-meta-band,
.infra-meta-band {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: block;
}

.project-meta-band {
  margin-bottom: -0.4rem; /* pull title closer */
}

.infra-title-container {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.project-title {
  font-size: 1.45rem;
  font-weight: 750;
  letter-spacing: -0.02em;
  color: var(--text-title);
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

/* Serious, outcomes-focused Case Study architecture blocks */
.project-case-study {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.case-study-block {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.9rem;
}

.case-study-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-color);
  letter-spacing: 0.05em;
}

.case-study-desc {
  color: var(--text-color);
}

.case-study-system {
  background-color: var(--bg-card-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 0.85rem 1rem;
}

.project-features {
  list-style: none;
  display: grid;
  gap: 0.5rem;
}

.project-features li {
  font-size: 0.825rem;
  color: var(--text-muted);
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  line-height: 1.4;
}

.project-features svg {
  width: 12px;
  height: 12px;
  color: var(--accent-color);
  margin-top: 0.2rem;
  flex-shrink: 0;
}

/* Inset success-accent outcome block */
.case-study-outcome {
  background-color: var(--bg-card-alt);
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--success-color);
  border-radius: var(--border-radius);
  padding: 0.85rem 1rem;
}

.case-study-outcome .case-study-desc {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.825rem;
  color: var(--text-color);
  line-height: 1.45;
}

.case-study-outcome svg {
  width: 14px;
  height: 14px;
  color: var(--success-color);
  margin-top: 0.15rem;
  flex-shrink: 0;
}

/* Planned Case study cards */
.project-card-planned {
  border-style: dashed;
}

.project-card-planned .project-image-wrapper {
  background-color: rgba(255, 255, 255, 0.005);
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 16 / 10;
  padding: 0;
}

.planned-blueprint {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.planned-blueprint svg {
  width: 32px;
  height: 32px;
  color: var(--accent-color);
  opacity: 0.4;
}

/* -------------------------------------------------------------------------- */
/* 8. INFRASTRUCTURE & OPERATIONS DEPTH                                       */
/* -------------------------------------------------------------------------- */
.infra-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.infra-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 1.75rem;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transition: border-color 0.2s ease;
}


.infra-card:hover {
  border-color: var(--border-strong);
}

.infra-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.infra-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  background-color: var(--bg-elevated);
  color: var(--accent-color);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.infra-icon svg {
  width: 16px;
  height: 16px;
}

.infra-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-title);
}

.infra-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.infra-list li {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  line-height: 1.45;
}

.infra-list svg {
  width: 12px;
  height: 12px;
  color: var(--accent-color);
  margin-top: 0.25rem;
  flex-shrink: 0;
}

/* -------------------------------------------------------------------------- */
/* 9. CONNECTIVE PROCESS FLOW TIMELINE                                        */
/* -------------------------------------------------------------------------- */
.work-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.25rem;
  position: relative;
}

@media (min-width: 769px) {
  .work-grid::before {
    content: "";
    position: absolute;
    top: 2.1rem;
    left: 2rem;
    right: 2rem;
    height: 1px;
    background-color: var(--border-color);
    z-index: 0;
  }
}

.work-node {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 1.5rem;
  position: relative;
  z-index: 1;
  transition: border-color 0.2s ease;
}

.work-node:hover {
  border-color: var(--accent-color);
}

.work-number {
  font-family: var(--font-mono);
  font-size: 0.725rem;
  font-weight: 700;
  width: 22px;
  height: 22px;
  border-radius: var(--border-radius);
  background-color: var(--bg-elevated);
  color: var(--accent-color);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  border: 1px solid var(--border-color);
}


.work-title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
  color: var(--text-title);
}

.work-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.45;
}

/* -------------------------------------------------------------------------- */
/* 10. TECHNICAL STACK                                                        */
/* -------------------------------------------------------------------------- */
.stack-layout {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
}

.stack-group {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-top: 3px solid var(--accent-color);
  border-radius: var(--border-radius-lg);
  padding: 1.75rem;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transition: border-color 0.2s ease;
}


.stack-group:hover {
  border-color: var(--border-strong);
}

.stack-group-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-title);
}

.stack-group-title svg {
  width: 16px;
  height: 16px;
  color: var(--accent-color);
}

.stack-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.stack-badge {
  background-color: rgba(0, 0, 0, 0.1);
  border: 1px solid var(--border-color);
  font-family: var(--font-mono);
  font-size: 0.775rem;
  padding: 0.35rem 0.7rem;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}


.dot-indicator {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: var(--accent-color);
}

/* -------------------------------------------------------------------------- */
/* 11. CONTACT & RESUME FORM                                                  */
/* -------------------------------------------------------------------------- */
.contact-layout {
  display: grid;
  grid-template-columns: 4fr 5fr;
  gap: 4rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-headline {
  font-size: 1.85rem;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.03em;
  color: var(--text-title);
}

.contact-text {
  color: var(--text-muted);
  font-size: 1rem;
}

.contact-methods {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.contact-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--border-radius);
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  flex-shrink: 0;
}

.contact-icon svg {
  width: 16px;
  height: 16px;
}

.contact-detail {
  display: flex;
  flex-direction: column;
}

.contact-label {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.contact-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-title);
}

.contact-form-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-top: 3px solid var(--accent-color);
  border-radius: var(--border-radius-lg);
  padding: 2.25rem;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transition: border-color 0.2s ease;
}


.contact-form-card:hover {
  border-color: var(--border-strong);
}

.form-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
  color: var(--text-title);
}

.form-subtitle {
  font-size: 0.825rem;
  color: var(--text-muted);
  margin-bottom: 1.75rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.form-group-full {
  grid-column: span 2;
}

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-title);
}

.form-control {
  width: 100%;
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 0.75rem 1rem;
  color: var(--text-title);
  font-size: 0.925rem;
  transition: border-color 0.15s ease-in-out;
}


.form-control:focus {
  border-color: var(--accent-color);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

.form-hp {
  position: absolute;
  overflow: hidden;
  clip: rect(0 0 0 0);
  height: 1px;
  width: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
}

.turnstile-container {
  margin: 1.25rem 0;
  min-height: 60px;
}

.turnstile-placeholder {
  font-size: 0.775rem;
  color: var(--text-muted);
  padding: 0.8rem;
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  text-align: center;
}


.form-feedback {
  display: none;
  font-size: 0.875rem;
  padding: 0.875rem 1.25rem;
  border-radius: var(--border-radius);
  margin-bottom: 1.25rem;
  border: 1px solid var(--border-color);
}

.form-feedback.is-error {
  display: block;
  background-color: var(--bg-elevated);
  border-left: 3px solid #ef4444;
  color: var(--text-title);
}

.form-feedback.is-success {
  display: block;
  background-color: var(--bg-elevated);
  border-left: 3px solid var(--success-color);
  color: var(--text-title);
}

.copy-btn {
  background: none;
  border: none;
  color: var(--accent-color);
  font-size: 0.825rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  transition: var(--transition-fast);
  margin-top: 0.4rem;
}

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

/* -------------------------------------------------------------------------- */
/* 12. FOOTER                                                                 */
/* -------------------------------------------------------------------------- */
.site-footer {
  padding: 3rem 0;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-card);
}

.footer-layout {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-copy {
  font-size: 0.825rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.footer-link {
  font-size: 0.825rem;
  color: var(--text-muted);
}

.footer-link:hover {
  color: var(--text-title);
}
/* -------------------------------------------------------------------------- */
/* 12. CURRENT INTERESTS STRIP                                                */
/* -------------------------------------------------------------------------- */
.interests-strip {
  margin-top: 1rem;
  margin-bottom: 2.5rem;
}

.interests-inner {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  background-color: var(--bg-card-alt);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.02);
}

.interests-label {
  font-family: var(--font-mono);
  font-size: 0.725rem;
  font-weight: 750;
  color: var(--accent-color);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.interests-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
}

.interests-tag {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-color);
}

/* -------------------------------------------------------------------------- */
/* 13. RESPONSIVE DESIGN & MOBILE OVERLAYS                                     */
/* -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

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

  .stack-layout {
    grid-template-columns: 1fr;
  }
  .stack-group[style*="grid-column"] {
    grid-column: span 1 !important;
  }
}

@media (max-width: 768px) {
  body {
    padding-top: 88px;
  }

  .site-header {
    height: 48px;
    top: 1rem;
    width: calc(100% - 2rem);
  }

  .nav-container {
    padding: 0 1rem;
  }

  .section {
    padding: 4rem 0;
  }

  .section-title {
    font-size: 1.85rem;
  }

  .hero-section {
    padding-top: 2.5rem;
    padding-bottom: 2.5rem;
    min-height: auto;
  }

  .hero-headline {
    font-size: 2.75rem;
  }

  .projects-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

  .work-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .footer-layout {
    flex-direction: column;
    gap: 1.25rem;
    text-align: center;
  }

  /* Responsive mobile nav dock extension menu */
  .mobile-toggle {
    display: flex;
  }

  .nav-panel {
    display: none;
    position: absolute;
    top: 52px;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 1.25rem;
    box-shadow: none;
    animation: fade-slide-down 0.2s ease forwards;
  }

  .nav-panel.is-open {
    display: flex;
    flex-direction: column;
  }

  .nav-links {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
    width: 100%;
  }

  .nav-link {
    display: block;
    font-size: 1rem;
    padding: 0.4rem 0;
  }

  @keyframes fade-slide-down {
    0% { transform: translate(-50%, -8px); opacity: 0; }
    100% { transform: translate(-50%, 0); opacity: 1; }
  }
}

@media (max-width: 480px) {
  .hero-headline {
    font-size: 2.25rem;
  }

  .hero-copy {
    font-size: 1.05rem;
  }

  .contact-form-card {
    padding: 1.5rem;
  }

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

  .form-group-full {
    grid-column: span 1;
  }

  .hero-ctas {
    flex-direction: column;
  }

  .hero-ctas .btn {
    width: 100%;
  }
}