/* ============================================ */
/* ROOT VARIABLES                               */
/* ============================================ */
:root {
  /* Accent colors — RGB channels for use in rgba() */
  --accent-primary-rgb:         176, 48, 48;
  --accent-primary-light-rgb:   224, 85, 85;
  --accent-secondary-rgb:       140, 45, 45;
  --accent-secondary-light-rgb: 196, 80, 80;

  /* Accent colors — solid */
  --accent-primary:         rgb(var(--accent-primary-rgb));
  --accent-primary-light:   rgb(var(--accent-primary-light-rgb));
  --accent-secondary:       rgb(var(--accent-secondary-rgb));
  --accent-secondary-light: rgb(var(--accent-secondary-light-rgb));

  /* Accent glows */
  --accent-primary-glow:   rgba(var(--accent-primary-rgb), 0.18);
  --accent-secondary-glow: rgba(var(--accent-secondary-rgb), 0.15);

  /* Backgrounds */
  --color-bg:            #0a0e1a;
  --color-bg-card:       #0f1525;
  --color-bg-card-hover: #141c30;
  --color-surface:       #131929;
  --color-surface-mid:   #1a2540;
  --color-surface-light: #243050;

  /* Borders */
  --color-border:       rgba(255, 255, 255, 0.07);
  --color-border-hover: rgba(255, 255, 255, 0.15);

  /* Text */
  --color-text:       #e8eaf0;
  --color-text-muted: #8892a4;
  --color-text-faint: #4a5568;

  /* Shadows */
  --shadow-card:             0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-card-hover:       0 8px 40px rgba(0, 0, 0, 0.6);
  --shadow-accent-primary:   0 0 40px rgba(var(--accent-primary-rgb), 0.2);
  --shadow-accent-secondary: 0 0 40px rgba(var(--accent-secondary-rgb), 0.15);

  /* Typography */
  --font-display: 'Syne', sans-serif;
  --font-serif:   'Instrument Serif', serif;
  --font-mono:    'DM Mono', monospace;

  /* Spacing scale */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --max-width:     1100px;
  --section-pad-v: var(--space-20);
  --section-pad-h: var(--space-8);

  /* Radius */
  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --radius-xl:   28px;
  --radius-pill: 999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

/* ============================================ */
/* RESET                                        */
/* ============================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-display);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ============================================ */
/* AMBIENT BACKGROUND                           */
/* ============================================ */
.bg-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.55;
}

.orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(var(--accent-primary-rgb), 0.25) 0%, transparent 70%);
  top: -200px; left: -200px;
  animation: orb-drift 18s ease-in-out infinite alternate;
}

.orb-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(var(--accent-secondary-rgb), 0.18) 0%, transparent 70%);
  bottom: 10%; right: -150px;
  animation: orb-drift 22s ease-in-out infinite alternate-reverse;
}

.orb-3 {
  width: 350px; height: 350px;
  background: radial-gradient(circle, rgba(var(--accent-primary-rgb), 0.12) 0%, transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  animation: orb-drift 28s ease-in-out infinite alternate;
}

@keyframes orb-drift {
  from { transform: translate(0, 0); }
  to   { transform: translate(40px, 30px); }
}

/* ============================================ */
/* UTILITY                                      */
/* ============================================ */
.home-btn {
  position: fixed;
  top: var(--space-5);
  left: var(--space-5);
  z-index: 100;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-bg-card);
  border: 1px solid var(--color-text);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-text);
  text-decoration: none;
  transition: all var(--transition-base);
  backdrop-filter: blur(8px);
}

.home-btn {
  left: max(var(--space-5), calc((100vw - var(--max-width)) / 2));
}

.home-btn:hover {
  color: var(--accent-primary-light);
  border-color: var(--accent-primary-light);
  background: var(--color-text);
  text-decoration: none;
}

.home-btn svg {
  width: 12px;
  height: 12px;
  fill: currentColor;
  flex-shrink: 0;
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
}

.dot {
  display: inline-block;
  width: 8px; height: 8px;
  background: var(--accent-secondary-light);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-secondary-light);
  animation: pulse-dot 2s ease-in-out infinite;
}

.dot-sm {
  display: inline-block;
  width: 6px; height: 6px;
  background: var(--accent-primary-light);
  border-radius: 50%;
  opacity: 0.7;
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 6px var(--accent-secondary-light); }
  50%       { box-shadow: 0 0 14px var(--accent-secondary-light); }
}

/* ============================================ */
/* HERO                                         */
/* ============================================ */
.hero {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-24) var(--section-pad-h) var(--space-20);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-6);
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--accent-secondary-light);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0;
  animation: fade-up 0.6s ease forwards 0.1s;
}

.hero-name {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.03em;
  display: flex;
  flex-direction: column;
  opacity: 0;
  animation: fade-up 0.7s ease forwards 0.25s;
}

.name-first {
  font-size: clamp(3rem, 8vw, 6.5rem);
  color: var(--color-text);
}

.name-last {
  font-size: clamp(3rem, 8vw, 6.5rem);
  background: linear-gradient(135deg, var(--accent-primary-light) 0%, var(--accent-secondary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-tagline {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: var(--color-text-muted);
  line-height: 1.6;
  opacity: 0;
  animation: fade-up 0.7s ease forwards 0.4s;
}

.hero-tagline em {
  color: var(--color-text-faint);
  font-style: italic;
}

.hero-links {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  opacity: 0;
  animation: fade-up 0.7s ease forwards 0.55s;
}

.pill-btn {
  display: inline-flex;
  align-items: center;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  transition: all var(--transition-base);
  cursor: pointer;
}

.pill-btn.primary {
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-primary-light) 100%);
  color: #fff;
  box-shadow: 0 4px 20px rgba(var(--accent-primary-rgb), 0.35);
}

.pill-btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(var(--accent-primary-rgb), 0.5);
}

.pill-btn.ghost {
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border-hover);
}

.pill-btn.ghost:hover {
  color: var(--color-text);
  border-color: var(--accent-primary-light);
  background: var(--accent-primary-glow);
  transform: translateY(-2px);
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  margin-top: var(--space-4);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  opacity: 0;
  animation: fade-up 0.7s ease forwards 0.7s;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.stat-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2rem;
  color: var(--color-text);
  line-height: 1;
}

.stat-plus {
  font-size: 1.2rem;
  color: var(--accent-primary-light);
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--color-border);
}

/* ============================================ */
/* SECTIONS (shared)                            */
/* ============================================ */
main { position: relative; z-index: 1; }

.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--section-pad-v) var(--section-pad-h);
}

.section-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-8);
}

.section-heading {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--color-text);
  margin-bottom: var(--space-8);
}

.section-heading em {
  font-family: var(--font-serif);
  font-style: italic;
  background: linear-gradient(135deg, var(--accent-primary-light) 0%, var(--accent-secondary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 400;
}

/* ============================================ */
/* ABOUT SECTION                                */
/* ============================================ */
.about-section {
  border-top: 1px solid var(--color-border);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.about-text p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.75;
  margin-bottom: var(--space-5);
}

.about-text p:last-child { margin-bottom: 0; }

.about-text a {
  color: var(--accent-primary-light);
  border-bottom: 1px solid rgba(var(--accent-primary-light-rgb), 0.3);
  transition: border-color var(--transition-fast);
}

.about-text a:hover {
  border-color: var(--accent-primary-light);
}

.skills-panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  padding: var(--space-8);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}

.skills-group { display: flex; flex-direction: column; gap: var(--space-3); }

.skills-label {
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.72rem;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.tag {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}

.tag:hover {
  border-color: var(--accent-primary-light);
  color: var(--accent-primary-light);
}

.accent-tag {
  background: var(--accent-primary-glow);
  border-color: rgba(var(--accent-primary-rgb), 0.3);
  color: var(--accent-primary-light);
}

.accent-tag:hover {
  background: rgba(var(--accent-primary-rgb), 0.25);
}

/* ============================================ */
/* PROJECTS SECTION                             */
/* ============================================ */
.projects-section {
  border-top: 1px solid var(--color-border);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.project-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-8);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-slow);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.card-resume::before    { background: radial-gradient(circle at 20% 20%, var(--accent-primary-glow), transparent 60%); }
.card-tracker::before   { background: radial-gradient(circle at 20% 20%, var(--accent-secondary-glow), transparent 60%); }
.card-favorites::before { background: radial-gradient(circle at 20% 20%, rgba(200, 168, 75, 0.12), transparent 60%); }

.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-border-hover);
  background: var(--color-bg-card-hover);
  box-shadow: var(--shadow-card-hover);
}

.project-card:hover::before { opacity: 1; }

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-8);
  position: relative;
  z-index: 1;
}

.card-icon {
  font-size: 1.8rem;
  line-height: 1;
}

.card-tag {
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.7rem;
}

.card-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  position: relative;
  z-index: 1;
  letter-spacing: -0.01em;
}

.card-desc {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  flex: 1;
  position: relative;
  z-index: 1;
}

.card-footer {
  margin-top: var(--space-8);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
  position: relative;
  z-index: 1;
}

.card-link {
  color: var(--color-text-faint);
  font-size: 0.8rem;
  transition: color var(--transition-fast);
}

.project-card:hover .card-link {
  color: var(--accent-primary-light);
}

/* ============================================ */
/* CONNECT SECTION                              */
/* ============================================ */
.connect-section {
  border-top: 1px solid var(--color-border);
}

.connect-inner {
  max-width: 640px;
}

.connect-sub {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-10);
  line-height: 1.7;
}

.connect-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.connect-item {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  padding: var(--space-5) var(--space-6);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: 0.95rem;
  color: var(--color-text-muted);
  transition: all var(--transition-base);
}

.connect-item:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--accent-primary-light);
  color: var(--color-text);
  transform: translateX(6px);
}

.connect-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--accent-primary-light);
  flex-shrink: 0;
}

/* ============================================ */
/* FOOTER                                       */
/* ============================================ */
.site-footer {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-8) var(--section-pad-h) var(--space-12);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  color: var(--color-text-faint);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.footer-sep { color: var(--color-border-hover); }

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

.site-footer a:hover { color: var(--color-text-muted); }

/* ============================================ */
/* ANIMATIONS                                   */
/* ============================================ */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.section {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ============================================ */
/* RESPONSIVE                                   */
/* ============================================ */
@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

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

@media (max-width: 640px) {
  :root {
    --section-pad-h: var(--space-5);
    --section-pad-v: var(--space-12);
  }

  .hero {
    padding-top: var(--space-16);
    gap: var(--space-5);
  }

  .hero-stats {
    gap: var(--space-6);
  }

  .stat-num { font-size: 1.5rem; }

  .connect-item { flex-direction: row; }
}