/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
  --bg:          #0a0a0a;
  --surface:     #111111;
  --surface-2:   #181818;
  --border:      rgba(255, 255, 255, 0.07);
  --text:        #f0ede8;
  --text-soft:   rgba(240, 237, 232, 0.7);
  --muted:       #555555;
  --accent:      #e8ff47;
  --accent-dim:  rgba(232, 255, 71, 0.08);
  --accent-glow: rgba(232, 255, 71, 0.15);

  --font-display: 'Fraunces', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;

  --size-hero:   clamp(3.5rem, 9vw, 8.5rem);
  --size-h2:     clamp(2rem, 4.5vw, 3.75rem);
  --size-h3:     clamp(1.1rem, 2vw, 1.4rem);
  --size-body:   clamp(0.95rem, 1.1vw, 1.05rem);
  --size-small:  0.8rem;
  --size-label:  0.7rem;

  --radius:      4px;
  --radius-lg:   12px;

  --nav-h:       64px;

  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.45, 0, 0.55, 1);
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--size-body);
  line-height: 1.65;
  overflow-x: hidden;
  cursor: none;
}

@media (pointer: coarse) {
  body { cursor: auto; }
}

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

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

/* ============================================================
   CUSTOM CURSOR
   ============================================================ */
.cursor-dot,
.cursor-ring {
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  transition: opacity 0.3s;
}

.cursor-dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
}

.cursor-ring {
  width: 36px;
  height: 36px;
  border: 1.5px solid rgba(232, 255, 71, 0.4);
  transition: width 0.25s var(--ease-out),
              height 0.25s var(--ease-out),
              background 0.25s,
              border-color 0.25s;
}

.cursor-ring.is-hovering {
  width: 56px;
  height: 56px;
  background: var(--accent-dim);
  border-color: var(--accent);
}

@media (pointer: coarse) {
  .cursor-dot, .cursor-ring { display: none; }
}

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  display: flex;
  align-items: center;
  padding: 0 clamp(1.5rem, 5vw, 3rem);
  gap: 2rem;
  background: transparent;
  transition: background 0.4s, backdrop-filter 0.4s;
}

.nav.scrolled {
  background: rgba(10, 10, 10, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--accent);
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  gap: 2rem;
  margin-left: auto;
}

.nav-link {
  font-size: var(--size-small);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: lowercase;
  color: var(--text-soft);
  position: relative;
  padding-bottom: 2px;
  transition: color 0.2s;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 50%; right: 50%;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: left 0.3s var(--ease-out), right 0.3s var(--ease-out);
}

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

.nav-link.active::after {
  left: 0; right: 0;
}

.nav-resume {
  margin-left: 2rem;
  font-size: var(--size-small);
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.4rem 1rem;
  border-radius: var(--radius);
  transition: background 0.2s, color 0.2s;
  flex-shrink: 0;
}

.nav-resume:hover {
  background: var(--accent);
  color: var(--bg);
}

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

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text);
  transition: transform 0.3s, opacity 0.3s;
}

@media (max-width: 720px) {
  .nav-links, .nav-resume { display: none; }
  .nav-hamburger { display: flex; }
}

/* ============================================================
   MOBILE MENU
   ============================================================ */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s var(--ease-out);
}

.mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}

.mobile-menu-close {
  position: absolute;
  top: 1.5rem; right: 1.5rem;
  background: none;
  border: none;
  color: var(--text-soft);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.mobile-link {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 8vw, 4rem);
  font-weight: 300;
  color: var(--text-soft);
  letter-spacing: -0.02em;
  transition: color 0.2s;
}

.mobile-link:hover,
.mobile-link-accent {
  color: var(--accent);
}

/* ============================================================
   SECTIONS — shared
   ============================================================ */
.section {
  position: relative;
  padding: clamp(5rem, 12vh, 9rem) clamp(1.5rem, 5vw, 3rem);
}

.section-inner {
  max-width: 900px;
  margin: 0 auto;
}

.section-label {
  display: block;
  font-size: var(--size-label);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 3rem;
}

.section-heading {
  font-family: var(--font-display);
  font-size: var(--size-h2);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 2.5rem;
}

.section-heading em {
  font-style: italic;
  color: var(--text-soft);
}

/* ============================================================
   HERO
   ============================================================ */
.section-hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--nav-h) + 2rem);
  overflow: hidden;
}

.hero-inner {
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 1;
}

.hero-label {
  font-size: var(--size-small);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.25rem;
  opacity: 0;
}

.hero-name {
  font-family: var(--font-display);
  font-size: var(--size-hero);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 1.5rem;
  overflow: hidden;
}

.hero-name .char {
  display: inline-block;
  will-change: transform, opacity;
}

.hero-name .char-space {
  display: inline-block;
  width: 0.28em;
}

.hero-tagline {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3vw, 2rem);
  font-weight: 300;
  font-style: italic;
  color: var(--text-soft);
  letter-spacing: -0.01em;
  margin-bottom: 2rem;
  opacity: 0;
}

.hero-meta {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
  opacity: 0;
}

.hero-meta-item {
  font-size: var(--size-small);
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.hero-meta-item a {
  color: var(--text-soft);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, color 0.2s;
}

.hero-meta-item a:hover {
  color: var(--text);
  border-color: var(--text-soft);
}

.hero-cta {
  opacity: 0;
}

.hero-scroll-hint {
  font-size: var(--size-small);
  color: var(--muted);
  letter-spacing: 0.06em;
  transition: color 0.2s;
}

.hero-scroll-hint:hover {
  color: var(--accent);
}

/* Background texture */
.hero-bg-texture {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse 60% 50% at 80% 50%, rgba(232, 255, 71, 0.03) 0%, transparent 70%);
  pointer-events: none;
}

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

.about-content {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4rem;
  align-items: start;
}

.about-summary {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.2vw, 1.45rem);
  font-weight: 300;
  line-height: 1.6;
  letter-spacing: -0.01em;
  color: var(--text);
}

.about-summary .word {
  display: inline-block;
  will-change: transform, opacity;
}

.about-details {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  min-width: 200px;
}

.about-detail {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.detail-label {
  font-size: var(--size-label);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.detail-value {
  font-size: var(--size-body);
  color: var(--text-soft);
}

.detail-link {
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.detail-link:hover {
  color: var(--text);
  border-color: var(--text-soft);
}

@media (max-width: 680px) {
  .about-content {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .about-details {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1.5rem 3rem;
  }
}

/* ============================================================
   EXPERIENCE
   ============================================================ */
.section-experience {
  border-top: 1px solid var(--border);
}

.experience-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.exp-card {
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr 200px;
  gap: 2rem;
  align-items: start;
  will-change: transform, opacity;
}

.exp-card:first-child {
  border-top: 1px solid var(--border);
}

.exp-left { flex: 1; }

.exp-title {
  font-family: var(--font-display);
  font-size: var(--size-h3);
  font-weight: 400;
  color: var(--text);
  letter-spacing: -0.01em;
  margin-bottom: 0.25rem;
}

.exp-company {
  font-size: var(--size-small);
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.04em;
  margin-bottom: 0.15rem;
}

.exp-location-inline {
  font-size: var(--size-small);
  color: var(--muted);
  margin-bottom: 1.25rem;
}

.exp-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.exp-bullets li {
  font-size: var(--size-body);
  color: var(--text-soft);
  padding-left: 1.2rem;
  position: relative;
  line-height: 1.6;
}

.exp-bullets li::before {
  content: '–';
  position: absolute;
  left: 0;
  color: var(--muted);
}

.exp-right {
  text-align: right;
}

.exp-period {
  font-size: var(--size-small);
  color: var(--muted);
  letter-spacing: 0.04em;
  line-height: 1.4;
}

@media (max-width: 600px) {
  .exp-card {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
  .exp-right { text-align: left; }
  .exp-period { margin-bottom: 1rem; order: -1; }
}

/* ============================================================
   SKILLS
   ============================================================ */
.section-skills {
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.skills-grid {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.skill-group {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 1rem;
  align-items: start;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.skill-group:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.skill-category {
  font-size: var(--size-label);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  padding-top: 0.35rem;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-tag {
  font-size: var(--size-small);
  color: var(--text-soft);
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  will-change: transform, opacity;
  transition: border-color 0.2s, color 0.2s;
}

.skill-tag:hover {
  border-color: var(--accent);
  color: var(--text);
}

@media (max-width: 600px) {
  .skill-group {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
}

/* ============================================================
   EDUCATION & CERTS
   ============================================================ */
.section-education {
  border-top: 1px solid var(--border);
}

.edu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.edu-card,
.cert-card {
  padding: 1.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  will-change: transform, opacity;
}

.edu-card + .edu-card,
.cert-card + .cert-card {
  margin-top: 1rem;
}

.edu-school,
.cert-name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--text);
  margin-bottom: 0.3rem;
  letter-spacing: -0.01em;
}

.edu-degree,
.cert-issuer {
  font-size: var(--size-small);
  color: var(--text-soft);
  margin-bottom: 0.75rem;
}

.edu-period,
.cert-year {
  font-size: var(--size-small);
  color: var(--muted);
  letter-spacing: 0.04em;
}

.cert-year {
  display: inline-block;
  background: var(--accent-dim);
  color: var(--accent);
  padding: 0.15rem 0.6rem;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.06em;
}

@media (max-width: 640px) {
  .edu-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   BLOG (listing — in section)
   ============================================================ */
.section-blog {
  border-top: 1px solid var(--border);
}

.blog-header {
  margin-bottom: 3rem;
}

.blog-empty {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-style: italic;
  font-weight: 300;
  color: var(--muted);
}

.blog-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.blog-post-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 2rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  will-change: transform, opacity;
  transition: color 0.2s;
}

.blog-post-item:first-child {
  border-top: 1px solid var(--border);
}

.blog-post-item:hover .blog-post-title {
  color: var(--text);
}

.blog-post-item:hover .blog-post-arrow {
  transform: translateX(4px);
}

.blog-post-left {
  flex: 1;
}

.blog-post-title {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2vw, 1.3rem);
  font-weight: 400;
  color: var(--text-soft);
  letter-spacing: -0.01em;
  margin-bottom: 0.25rem;
  transition: color 0.2s;
}

.blog-post-desc {
  font-size: var(--size-small);
  color: var(--muted);
  line-height: 1.5;
}

.blog-post-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}

.blog-post-date {
  font-size: var(--size-small);
  color: var(--muted);
  letter-spacing: 0.04em;
}

.blog-post-arrow {
  color: var(--accent);
  font-size: 1.1rem;
  transition: transform 0.2s var(--ease-out);
}

/* ============================================================
   CONTACT
   ============================================================ */
.section-contact {
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.contact-content {
  max-width: 700px;
}

.contact-pre {
  font-size: var(--size-small);
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.contact-email {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 3rem);
  font-weight: 300;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-bottom: 2rem;
  position: relative;
  width: fit-content;
}

.contact-email::after {
  content: '';
  position: absolute;
  left: 0; right: 100%;
  bottom: -2px;
  height: 1px;
  background: var(--accent);
  transition: right 0.4s var(--ease-out);
}

.contact-email:hover::after {
  right: 0;
}

.contact-links {
  display: flex;
  gap: 1.5rem;
}

.contact-social {
  font-size: var(--size-small);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
  padding-bottom: 2px;
}

.contact-social:hover {
  color: var(--text);
  border-color: var(--text-soft);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding: 2rem clamp(1.5rem, 5vw, 3rem);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-copy,
.footer-made {
  font-size: var(--size-small);
  color: var(--muted);
  letter-spacing: 0.04em;
}

/* ============================================================
   UTILITY — scroll animation initial states
   ============================================================ */
.anim-fade-up {
  opacity: 0;
  transform: translateY(32px);
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .cursor-dot, .cursor-ring { display: none; }
  .hero-label, .hero-tagline, .hero-meta, .hero-cta { opacity: 1; }
  .about-summary .word { opacity: 1; transform: none; }
  .exp-card { opacity: 1; transform: none; }
  .skill-tag { opacity: 1; transform: none; }
  .edu-card, .cert-card { opacity: 1; transform: none; }
  .blog-post-item { opacity: 1; transform: none; }
  .contact-content { opacity: 1; transform: none; }
}