/* ============================================
   TOKENS
   ============================================ */
:root {
  --bg:        #060606;
  --bg-alt:    #0c0c0c;
  --surface:   #141414;
  --surface-2: #1c1c1c;
  --border:    #222;
  --text:      #ece7de;
  --text-dim:  #7a7a7a;
  --accent:    #c9f31d;
  --accent-2:  #a8cc0e;
  --white:     #fff;

  --font-display: 'Syne', sans-serif;
  --font-body:    'DM Sans', sans-serif;

  --ease-out: cubic-bezier(.16,1,.3,1);
  --ease-spring: cubic-bezier(.34,1.56,.64,1);
}

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

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

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

a { color: inherit; text-decoration: none; cursor: none; }
ul { list-style: none; }
button { cursor: none; }

::selection {
  background: var(--accent);
  color: var(--bg);
}

/* ============================================
   CUSTOM CURSOR
   ============================================ */
.cursor-dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 12px rgba(201, 243, 29, .45);
  transition: width .4s var(--ease-out), height .4s var(--ease-out),
              background .4s, box-shadow .4s, opacity .3s;
}

.cursor-ring {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(201,243,29,.08) 0%, transparent 70%);
  transition: width .5s var(--ease-out), height .5s var(--ease-out),
              background .4s, opacity .4s;
  mix-blend-mode: screen;
}

body.cursor-hover .cursor-dot {
  width: 48px;
  height: 48px;
  background: rgba(201,243,29,.1);
  box-shadow: 0 0 24px rgba(201,243,29,.2);
}

body.cursor-hover .cursor-ring {
  width: 64px;
  height: 64px;
  background: radial-gradient(circle, rgba(201,243,29,.06) 0%, transparent 70%);
}

@media (hover: none), (pointer: coarse) {
  .cursor-dot, .cursor-ring { display: none; }
  body, a, button { cursor: auto; }
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 3rem;
  transition: background .4s, backdrop-filter .4s, padding .4s;
}

.nav--scrolled {
  background: rgba(6, 6, 6, .85);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  padding: 1rem 3rem;
  border-bottom: 1px solid var(--border);
}

.nav__logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -.02em;
  color: var(--accent);
}

.nav__links {
  display: flex;
  gap: 2rem;
}

.nav__link {
  font-family: var(--font-display);
  font-size: .85rem;
  font-weight: 500;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-dim);
  position: relative;
  transition: color .3s;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--accent);
  transition: width .3s var(--ease-out);
}

.nav__link:hover,
.nav__link--active { color: var(--text); }
.nav__link:hover::after,
.nav__link--active::after { width: 100%; }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  padding: 6px;
  z-index: 110;
}

.nav__toggle span {
  display: block;
  width: 28px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform .3s var(--ease-out), opacity .2s;
}

.nav__toggle.active span:first-child { transform: translateY(4px) rotate(45deg); }
.nav__toggle.active span:last-child  { transform: translateY(-4px) rotate(-45deg); }

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: rgba(6, 6, 6, .96);
  backdrop-filter: blur(24px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity .4s var(--ease-out);
}

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

.mobile-menu__link {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--text);
  transition: color .3s;
}

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

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 3rem;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201,243,29,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,243,29,.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 45%, black 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 45%, black 20%, transparent 75%);
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
}

.hero__greeting {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--accent);
  letter-spacing: .15em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.hero__name {
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 10vw, 8rem);
  font-weight: 800;
  line-height: .95;
  letter-spacing: -.04em;
  margin-bottom: 1.2rem;
}

.hero__name span {
  display: block;
}

.hero__name--accent {
  -webkit-text-stroke: 2px var(--accent);
  color: transparent;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  font-weight: 500;
  color: var(--text-dim);
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero__sub {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-dim);
  max-width: 560px;
  margin: 0 auto 2.5rem;
}

.hero__ctas {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  font-family: var(--font-display);
  font-size: .9rem;
  font-weight: 600;
  padding: .85rem 2rem;
  border-radius: 60px;
  letter-spacing: .04em;
  text-transform: uppercase;
  transition: all .35s var(--ease-out);
  border: none;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
}

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

.btn--primary:hover {
  background: var(--accent-2);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(201,243,29,.25);
}

.btn--outline {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border);
}

.btn--outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
}

.hero__scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: .3; transform: scaleY(.6); }
  50%      { opacity: 1;  transform: scaleY(1);  }
}

/* ============================================
   SECTION COMMON
   ============================================ */
.section {
  padding: 7rem 3rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section--alt {
  background: var(--bg-alt);
  max-width: 100%;
  padding-left: 3rem;
  padding-right: 3rem;
}

.section--alt > .section__header,
.section--alt > .proj-grid,
.section--alt > .edu-container {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.section__header {
  margin-bottom: 4rem;
}

.section__number {
  font-family: var(--font-display);
  font-size: .85rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: .12em;
  display: block;
  margin-bottom: .75rem;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1;
}

/* ============================================
   EXPERIENCE CARDS
   ============================================ */
.exp-grid {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.exp-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.5rem;
  transition: border-color .4s, transform .4s var(--ease-out), box-shadow .4s;
  position: relative;
  overflow: hidden;
}

.exp-card--featured {
  border-color: var(--accent);
  background: linear-gradient(135deg, rgba(201,243,29,.06) 0%, var(--surface) 60%);
}

.exp-card--featured .exp-card__company {
  color: var(--white);
}

.exp-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .4s var(--ease-out);
}

.exp-card--featured::before {
  transform: scaleY(1);
}

.exp-card:hover::before { transform: scaleY(1); }
.exp-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,.4);
}

.exp-card__top { margin-bottom: 1.5rem; }

.exp-card__meta {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: .75rem;
}

.exp-card__date,
.exp-card__loc {
  font-size: .82rem;
  font-weight: 400;
  color: var(--text-dim);
  letter-spacing: .04em;
}

.exp-card__company {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -.01em;
  margin-bottom: .3rem;
}

.exp-card__role {
  font-size: .95rem;
  color: var(--accent);
  font-weight: 500;
}

.exp-card__list {
  display: flex;
  flex-direction: column;
  gap: .75rem;
  margin-bottom: 1.5rem;
}

.exp-card__list li {
  font-size: .92rem;
  line-height: 1.65;
  color: var(--text-dim);
  padding-left: 1.2rem;
  position: relative;
}

.exp-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: .6em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  opacity: .6;
}

.exp-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.exp-card__tags span {
  font-size: .75rem;
  font-weight: 500;
  padding: .3rem .7rem;
  border-radius: 20px;
  background: rgba(201,243,29,.08);
  color: var(--accent);
  letter-spacing: .03em;
  border: 1px solid rgba(201,243,29,.15);
}

/* ============================================
   PROJECT CARDS
   ============================================ */
.proj-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
}

.proj-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.5rem;
  transition: border-color .4s, transform .4s var(--ease-out), box-shadow .4s;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.proj-card:hover {
  border-color: var(--accent);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,.35);
}

.proj-card__number {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 800;
  color: rgba(201,243,29,.06);
  line-height: 1;
  margin-bottom: .5rem;
  transition: color .4s;
}

.proj-card:hover .proj-card__number { color: rgba(201,243,29,.15); }

.proj-card__title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -.01em;
  margin-bottom: 1rem;
}

.proj-card__desc {
  font-size: .9rem;
  line-height: 1.65;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
  flex: 1;
}

.proj-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 1rem;
}

.proj-card__tags span {
  font-size: .73rem;
  font-weight: 500;
  padding: .25rem .6rem;
  border-radius: 20px;
  background: rgba(201,243,29,.08);
  color: var(--accent);
  border: 1px solid rgba(201,243,29,.15);
}

.proj-card__date {
  font-size: .8rem;
  color: var(--text-dim);
}

.proj-card--link {
  display: flex;
  text-decoration: none;
}

.proj-card__ext {
  display: inline-block;
  vertical-align: middle;
  margin-left: .5rem;
  opacity: .4;
  transition: opacity .3s, transform .3s var(--ease-out);
}

.proj-card:hover .proj-card__ext {
  opacity: 1;
  transform: translate(3px, -3px);
  color: var(--accent);
}

/* ============================================
   SKILLS
   ============================================ */
.skills-container {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.skill-group__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 1.2rem;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.skill-group__items {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
}

.skill-tag {
  font-family: var(--font-display);
  font-size: .88rem;
  font-weight: 500;
  padding: .6rem 1.3rem;
  border-radius: 40px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  transition: all .3s var(--ease-out);
}

.skill-tag:hover {
  border-color: var(--accent);
  background: rgba(201,243,29,.06);
  color: var(--accent);
  transform: translateY(-2px);
}

/* ============================================
   EDUCATION
   ============================================ */
.edu-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.edu-card {
  display: flex;
  gap: 3rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.5rem;
  flex-wrap: wrap;
}

.edu-card__left { flex: 1; min-width: 280px; }

.edu-card__school {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -.02em;
  margin-bottom: .5rem;
}

.edu-card__degree {
  font-size: 1.05rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: .4rem;
}

.edu-card__when {
  font-size: .9rem;
  color: var(--text-dim);
  margin-bottom: .3rem;
}

.edu-card__gpa {
  font-size: .9rem;
  color: var(--text-dim);
}

.edu-card__right { flex: 0 0 auto; }

.edu-awards h4 {
  font-family: var(--font-display);
  font-size: .9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--accent);
  margin-bottom: .8rem;
}

.edu-awards li {
  font-size: .9rem;
  color: var(--text-dim);
  padding: .25rem 0;
  padding-left: 1rem;
  position: relative;
}

.edu-awards li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--accent);
  opacity: .5;
}

.edu-courses {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.5rem;
}

.edu-courses__title {
  font-family: var(--font-display);
  font-size: .9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--accent);
  margin-bottom: 1.2rem;
}

.edu-courses__grid {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.edu-courses__grid span {
  font-size: .82rem;
  padding: .45rem 1rem;
  border-radius: 24px;
  border: 1px solid var(--border);
  color: var(--text-dim);
  transition: all .3s var(--ease-out);
}

.edu-courses__grid span:hover {
  border-color: rgba(201,243,29,.3);
  color: var(--text);
}

/* ============================================
   CONTACT
   ============================================ */
.section--contact {
  max-width: 100%;
  padding: 8rem 3rem;
  background: var(--bg);
  position: relative;
}

.section--contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: .3;
}

.contact-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.contact__title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.contact__title--accent {
  -webkit-text-stroke: 1.5px var(--accent);
  color: transparent;
}

.contact__sub {
  font-size: 1.05rem;
  color: var(--text-dim);
  margin-bottom: 3rem;
}

.contact__links {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 600px;
  margin: 0 auto;
  text-align: left;
}

.contact-link {
  display: flex;
  align-items: center;
  padding: 1.3rem 0;
  border-top: 1px solid var(--border);
  transition: all .3s var(--ease-out);
  gap: 1rem;
}

.contact-link:last-child {
  border-bottom: 1px solid var(--border);
}

.contact-link:hover {
  padding-left: 1rem;
}

.contact-link:hover .contact-link__value { color: var(--accent); }
.contact-link:hover .contact-link__arrow { transform: translate(4px, -4px); color: var(--accent); }

.contact-link__label {
  font-family: var(--font-display);
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--text-dim);
  width: 70px;
  flex-shrink: 0;
}

.contact-link__value {
  font-size: .95rem;
  flex: 1;
  transition: color .3s;
}

.contact-link__arrow {
  width: 18px;
  height: 18px;
  color: var(--text-dim);
  transition: transform .3s var(--ease-out), color .3s;
  flex-shrink: 0;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  text-align: center;
  padding: 2rem;
  font-size: .8rem;
  color: var(--text-dim);
  border-top: 1px solid var(--border);
}

/* ============================================
   REVEAL ANIMATIONS
   ============================================ */
.reveal-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity .8s var(--ease-out), transform .8s var(--ease-out);
  transition-delay: var(--d, 0s);
}

.reveal-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  .nav { padding: 1rem 1.5rem; }
  .nav--scrolled { padding: .8rem 1.5rem; }
  .nav__links { display: none; }
  .nav__toggle { display: flex; }

  .hero { padding: 6rem 1.5rem 4rem; }
  .hero__name--accent { -webkit-text-stroke-width: 1.5px; }

  .section { padding: 5rem 1.5rem; }
  .section--alt { padding-left: 1.5rem; padding-right: 1.5rem; }
  .section--contact { padding: 5rem 1.5rem; }

  .exp-card { padding: 1.8rem; }
  .exp-card__company { font-size: 1.3rem; }

  .proj-grid { grid-template-columns: 1fr; }
  .proj-card { padding: 1.8rem; }

  .edu-card { padding: 1.8rem; flex-direction: column; gap: 1.5rem; }
  .edu-courses { padding: 1.8rem; }

  .contact-link__label { width: 60px; }
  .contact-link__value { font-size: .85rem; }
}

@media (max-width: 480px) {
  .hero__greeting { font-size: .9rem; }
  .hero__sub { font-size: .92rem; }
  .btn { padding: .75rem 1.5rem; font-size: .82rem; }
  .section__title { margin-bottom: .5rem; }
}