:root {
  --bg-gradient: linear-gradient(to bottom, #020617, #020617, #020617, #020617);
  --bg-color: #020617;
  --card-bg: #0b1220;
  --card-border: #1f2937;
  --text-color: #e5e7eb;
  --muted-color: #cbd5f5;
  --accent-color: #0ea5e9;
  --accent-soft: rgba(14, 165, 233, 0.1);
  --hover-color: #38bdf8;
  --danger-color: #f97373;
  --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.6);
  --radius-lg: 18px;
  --radius-xl: 24px;
  --nav-blur: blur(16px);
  --section-max-width: 1100px;
}

body.light {
  --bg-gradient: linear-gradient(to bottom, #f3f4f6, #e5e7eb);
  --bg-color: #e5e7eb;
  --card-bg: #ffffff;
  --card-border: #e5e7eb;
  --text-color: #111827;
  --muted-color: #4b5563;
  --accent-color: #2563eb;
  --accent-soft: rgba(37, 99, 235, 0.08);
  --hover-color: #3b82f6;
  --shadow-soft: 0 14px 35px rgba(15, 23, 42, 0.18);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-size: 16px;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg-gradient);
  color: var(--text-color);
  transition: background 0.4s ease, color 0.4s ease;
}

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

/* ====== NAVBAR / HERO ====== */
.hero {
  padding: 18px 24px 80px;
}

nav {
  max-width: var(--section-max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: var(--nav-blur);
  box-shadow: 0 12px 35px rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(148, 163, 184, 0.35);
  position: sticky;
  top: 12px;
  z-index: 50;
}

body.light nav {
  background: rgba(248, 250, 252, 0.95);
  box-shadow: 0 10px 26px rgba(148, 163, 184, 0.35);
  border-color: rgba(148, 163, 184, 0.35);
}

.name {
  font-weight: 700;
  letter-spacing: 0.04em;
  font-size: 0.95rem;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 6px;
}

.name span.badge {
  font-size: 0.7rem;
  padding: 3px 7px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-color);
  border: 1px solid rgba(56, 189, 248, 0.4);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 18px;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 18px;
  margin: 0;
  padding: 0;
  font-size: 0.9rem;
}

nav ul li a {
  position: relative;
  padding: 6px 0;
  color: var(--muted-color);
  transition: color 0.22s ease, transform 0.22s ease;
}

nav ul li a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(to right, var(--accent-color), var(--hover-color));
  transition: width 0.22s ease;
}

nav ul li a:hover {
  color: var(--hover-color);
  transform: translateY(-1px);
}

nav ul li a:hover::after,
nav ul li a.active::after {
  width: 100%;
}

nav ul li a.active {
  color: var(--accent-color);
}

.toggle-mode {
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  padding: 6px 14px;
  background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.12), transparent 55%);
  color: var(--text-color);
  font-size: 0.8rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-weight: 500;
  transition: background 0.25s ease, border-color 0.25s ease, transform 0.1s ease;
}

.toggle-mode span {
  font-size: 1.1rem;
}

.toggle-mode:hover {
  border-color: var(--accent-color);
  background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.18), transparent 55%);
  transform: translateY(-1px);
}

.toggle-mode:active {
  transform: translateY(0);
}

/* ====== INTRO SECTION ====== */
.intro {
  max-width: var(--section-max-width);
  margin: 70px auto 0;
  display: grid;
  grid-template-columns: minmax(0, 2.2fr) minmax(0, 1.4fr);
  gap: 40px;
  align-items: center;
}

.intro-main h1 {
  font-size: 2.6rem;
  margin: 0 0 10px;
}

.intro-main h1 span.highlight {
  background: linear-gradient(to right, #22c55e, #0ea5e9);
  -webkit-background-clip: text;
  color: transparent;
}

.intro-main h2 {
  margin: 0 0 14px;
  font-size: 1.25rem;
  color: var(--accent-color);
}

.intro-main p {
  margin: 0;
  max-width: 550px;
  color: var(--muted-color);
  line-height: 1.6;
  font-size: 0.98rem;
}

.intro-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
}

.pill {
  font-size: 0.75rem;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  background: rgba(15, 23, 42, 0.7);
  color: var(--muted-color);
}

body.light .pill {
  background: rgba(255, 255, 255, 0.8);
}

.intro-secondary {
  background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.2), transparent 60%);
  border-radius: var(--radius-xl);
  padding: 18px 18px 16px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.intro-secondary h3 {
  margin: 0;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--muted-color);
}

.intro-secondary strong {
  color: var(--accent-color);
  font-size: 0.9rem;
}

.intro-secondary ul {
  margin: 6px 0 0;
  padding-left: 16px;
  font-size: 0.9rem;
  color: var(--muted-color);
}

/* ====== SECTIONS ====== */
section {
  max-width: var(--section-max-width);
  margin: 0 auto;
  padding: 30px 24px;
}

section h3 {
  margin: 0 0 10px;
  font-size: 1.25rem;
}

section p {
  margin: 0 0 10px;
  color: var(--muted-color);
  font-size: 1rem;
  /* ~16px */
  line-height: 1.7;
  /* a bit more breathing room */
}

.section-card {
  margin-top: 14px;
  border-radius: var(--radius-lg);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-soft);
  padding: 18px 18px 16px;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 14px;
}

.skills-grid h4 {
  margin: 0 0 4px;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted-color);
}

.skills-grid ul {
  margin: 0;
  padding-left: 16px;
  font-size: 0.9rem;
  color: var(--text-color);
}

.project-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
}

.project-item h4 {
  margin: 0 0 4px;
  font-size: 1rem;
}

.project-item p {
  margin: 0;
  font-size: 0.9rem;
}

.project-tag-row {
  margin-top: 6px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.project-tag {
  font-size: 0.7rem;
  padding: 3px 7px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-color);
  border: 1px solid rgba(56, 189, 248, 0.5);
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}

.contact-links a {
  padding: 7px 13px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  font-size: 0.85rem;
  color: var(--muted-color);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(15, 23, 42, 0.8);
  transition: border 0.2s ease, transform 0.1s ease, background 0.2s ease;
}

body.light .contact-links a {
  background: rgba(255, 255, 255, 0.9);
}

.contact-links a:hover {
  border-color: var(--accent-color);
  transform: translateY(-1px);
  background: var(--accent-soft);
}

/* ====== RESUME EMBED ====== */
#resume .section-card {
  padding-bottom: 20px;
}

.resume-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 12px;
}

.resume-embed {
  margin-top: 8px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-soft);
}

.resume-embed embed {
  display: block;
  width: 100%;
  height: 600px;
  max-height: 80vh;
}

/* ====== CHAT WIDGET CONTAINER ====== */
#n8n-chat {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 1000;
  max-width: 360px;
  width: 100%;
}

/* ====== RESPONSIVE ====== */
@media (max-width: 900px) {
  .intro {
    grid-template-columns: minmax(0, 1fr);
    margin-top: 40px;
  }

  nav {
    flex-wrap: wrap;
    gap: 10px;
  }

  nav ul {
    flex-wrap: wrap;
    justify-content: flex-end;
  }
}

@media (max-width: 640px) {
  nav {
    border-radius: 18px;
    padding: 10px 12px;
  }

  .hero {
    padding: 12px 14px 40px;
  }

  section {
    padding: 22px 14px;
  }
}

/* ====== PROJECT DETAIL PAGES ====== */
.project-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--card-border);
  background: var(--bg-gradient);
}

.project-header-inner {
  max-width: var(--section-max-width);
  margin: 0 auto;
}

.back-link {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 0.9rem;
  color: var(--accent-color);
  text-decoration: none;
}

.back-link:hover {
  text-decoration: underline;
}

.project-header h1 {
  margin: 0 0 6px;
  font-size: 1.8rem;
}

.project-subtitle {
  margin: 0;
  color: var(--muted-color);
  font-size: 0.95rem;
}



/* ====== PROJECT DETAIL PAGES ====== */
.project-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--card-border);
  background: var(--bg-gradient);
}

.project-header-inner {
  max-width: var(--section-max-width);
  margin: 0 auto;
}

.back-link {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 0.9rem;
  color: var(--accent-color);
  text-decoration: none;
}

.back-link:hover {
  text-decoration: underline;
}

.project-header h1 {
  margin: 0 0 6px;
  font-size: 1.8rem;
}

.project-subtitle {
  margin: 0;
  color: var(--muted-color);
  font-size: 0.95rem;
}

/* ⬇️ Tighter vertical spacing on project pages */
.project-main {
  max-width: var(--section-max-width);
  margin: 0 auto;
  padding: 24px 24px 40px;
}

/* Override the global section padding inside project pages */
.project-main .project-section {
  padding: 10px 0;
  /* was 30px top/bottom from global 'section' */
  margin: 0 0 8px 0;
  /* smaller gap between sections */
}

.project-main .project-section:last-of-type {
  margin-bottom: 0;
}







.project-section h2 {
  margin: 0 0 8px;
  font-size: 1.2rem;
}

.project-section ul {
  margin: 0;
  padding-left: 18px;
}

.project-note {
  font-size: 0.85rem;
  color: var(--muted-color);
}

.project-link {
  display: inline-block;
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--accent-color);
  text-decoration: none;
}

.project-link:hover {
  text-decoration: underline;
}

/* ====== PROJECT CTA BUTTONS ====== */
.project-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

.project-cta .primary-link,
.project-cta .secondary-link {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.project-cta .primary-link {
  background: linear-gradient(135deg, #0ea5e9, #06b6d4);
  color: #ffffff;
  border: 2px solid #0ea5e9;
}

.project-cta .primary-link:hover {
  background: linear-gradient(135deg, #38bdf8, #22d3ee);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(14, 165, 233, 0.4);
}

.project-cta .secondary-link {
  background: linear-gradient(135deg, #8b5cf6, #a78bfa);
  color: #ffffff;
  border: 2px solid #8b5cf6;
}

.project-cta .secondary-link:hover {
  background: linear-gradient(135deg, #a78bfa, #c4b5fd);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(139, 92, 246, 0.4);
}

/* Light mode adjustments */
body.light .project-cta .primary-link {
  background: linear-gradient(135deg, #0284c7, #0891b2);
  border-color: #0284c7;
}

body.light .project-cta .primary-link:hover {
  background: linear-gradient(135deg, #0ea5e9, #06b6d4);
}

body.light .project-cta .secondary-link {
  background: linear-gradient(135deg, #7c3aed, #8b5cf6);
  border-color: #7c3aed;
}

body.light .project-cta .secondary-link:hover {
  background: linear-gradient(135deg, #8b5cf6, #a78bfa);
}

.project-cta .tertiary-link {
  background: linear-gradient(135deg, #f59e0b, #f97316);
  color: #ffffff;
  border: 2px solid #f59e0b;
}

.project-cta .tertiary-link:hover {
  background: linear-gradient(135deg, #fbbf24, #fb923c);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.4);
}

body.light .project-cta .tertiary-link {
  background: linear-gradient(135deg, #ea580c, #f59e0b);
  border-color: #ea580c;
}

body.light .project-cta .tertiary-link:hover {
  background: linear-gradient(135deg, #f59e0b, #fbbf24);
}