/* ============================================
   NATE ANTETOMASO — PERSONAL SITE
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-bg: #0e0e0e;
  --color-bg-elevated: #161616;
  --color-bg-card: #1a1a1a;
  --color-text: #f0ece6;
  --color-text-muted: #9a938a;
  --color-text-subtle: #6a6458;
  --color-accent: #c8a44e;
  --color-accent-hover: #dbb860;
  --color-border: #2a2825;
  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

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

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2.5rem;
  transition: background-color 0.4s ease, backdrop-filter 0.4s ease;
}

.nav--scrolled {
  background-color: rgba(14, 14, 14, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.nav__logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-accent);
  letter-spacing: -0.02em;
}

.nav__links {
  display: flex;
  gap: 2.5rem;
}

.nav__links a {
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  transition: color 0.3s ease;
  position: relative;
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width 0.3s var(--ease-out);
}

.nav__links a:hover {
  color: var(--color-text);
}

.nav__links a:hover::after {
  width: 100%;
}

.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 28px;
  height: 20px;
  position: relative;
  z-index: 110;
}

.nav__toggle span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--color-text);
  transition: all 0.3s ease;
  position: absolute;
  left: 0;
}

.nav__toggle span:first-child { top: 4px; }
.nav__toggle span:last-child { bottom: 4px; }

.nav__toggle.active span:first-child {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}

.nav__toggle.active span:last-child {
  bottom: 50%;
  transform: translateY(50%) rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

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

.mobile-menu a {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--color-text);
  transition: color 0.3s ease;
}

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

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8rem 2.5rem 4rem;
  position: relative;
}

.hero__content {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4rem;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.hero__label {
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  margin-bottom: 1.5rem;
}

.hero__name {
  font-family: var(--font-display);
  line-height: 0.95;
  margin-bottom: 2rem;
}

.hero__name-line {
  display: block;
  font-size: clamp(3.5rem, 8vw, 7rem);
  letter-spacing: -0.03em;
}

.hero__name-line--accent {
  color: var(--color-accent);
  font-style: italic;
}

.hero__tagline {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 480px;
  font-weight: 300;
}

.hero__socials {
  display: flex;
  gap: 1.25rem;
  margin-top: 2.5rem;
}

.hero__socials a {
  color: var(--color-text-muted);
  transition: color 0.3s ease, transform 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
}

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

.hero__image {
  position: relative;
}

.hero__image-wrapper {
  width: 320px;
  height: 400px;
  overflow: hidden;
  position: relative;
  z-index: 2;
}

.hero__image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(20%);
  transition: filter 0.5s ease;
}

.hero__image-wrapper:hover img {
  filter: grayscale(0%);
}

.hero__image-accent {
  position: absolute;
  top: 1rem;
  left: 1rem;
  width: 100%;
  height: 100%;
  border: 1px solid var(--color-accent);
  z-index: 1;
  opacity: 0.4;
}

.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 2.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.hero__scroll span {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-subtle);
}

.hero__scroll-line {
  width: 60px;
  height: 1px;
  background: var(--color-text-subtle);
  position: relative;
  overflow: hidden;
}

.hero__scroll-line::after {
  content: '';
  position: absolute;
  left: -100%;
  top: 0;
  width: 100%;
  height: 100%;
  background: var(--color-accent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* --- Section Shared --- */
.section-number {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
  font-family: var(--font-body);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 520px;
  font-weight: 300;
  line-height: 1.7;
}

/* --- About Section --- */
.about {
  padding: 8rem 2.5rem;
  border-top: 1px solid var(--color-border);
}

.about__container {
  max-width: 1200px;
  margin: 0 auto;
}

.about__header {
  margin-bottom: 4rem;
}

.about__content {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 6rem;
}

.about__lead {
  font-family: var(--font-body);
  font-size: clamp(1.6rem, 3.5vw, 2.6rem);
  line-height: 1.3;
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
  letter-spacing: -0.02em;
  color: var(--color-text);
  font-weight: 600;
  font-style: normal;
}

.about__bio p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 1rem;
  font-weight: 300;
}

.about__details {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding-top: 0.5rem;
}

.about__detail-label {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-subtle);
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.about__detail-value {
  font-size: 0.95rem;
  line-height: 1.6;
}

.about__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.tag {
  font-size: 0.75rem;
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
  font-weight: 400;
  transition: border-color 0.3s ease, color 0.3s ease;
}

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

/* --- Experience Section --- */
.experience {
  padding: 8rem 2.5rem;
  background-color: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border);
}

.experience__container {
  max-width: 1200px;
  margin: 0 auto;
}

.experience__header {
  margin-bottom: 5rem;
}

/* Experience Card */
.exp-card {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 3rem;
  padding: 3rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-top: 2px solid var(--color-accent);
  margin-bottom: 1.25rem;
}

.exp-card__meta {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.exp-card__date {
  font-size: 0.8rem;
  color: var(--color-text-subtle);
  letter-spacing: 0.05em;
  font-weight: 500;
}

.exp-card__current {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  font-weight: 600;
}

.exp-card__company {
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
  line-height: 1.2;
}

.exp-card__role {
  font-size: 0.85rem;
  color: var(--color-accent);
  font-weight: 500;
  margin-bottom: 1.25rem;
  letter-spacing: 0.02em;
}

.exp-card__description p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  font-weight: 300;
}

.exp-card__stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.exp-card__stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: var(--color-accent);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.exp-card__stat-label {
  display: block;
  font-size: 0.72rem;
  color: var(--color-text-subtle);
  margin-top: 0.25rem;
  line-height: 1.4;
  letter-spacing: 0.02em;
}

/* Earlier Experience */
.exp-earlier {
  margin-top: 3rem;
  padding-top: 3rem;
  border-top: 1px solid var(--color-border);
}

.exp-earlier__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: 2rem;
  color: var(--color-text-subtle);
}

.exp-earlier__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.exp-earlier__item {
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  transition: border-color 0.3s ease;
}

.exp-earlier__item:hover {
  border-color: var(--color-accent);
}

.exp-earlier__company {
  display: block;
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 0.15rem;
}

.exp-earlier__role {
  display: block;
  font-size: 0.75rem;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
  font-weight: 500;
}

.exp-earlier__desc {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  font-weight: 300;
}

/* --- Projects Section --- */
.projects {
  padding: 8rem 2.5rem;
  border-top: 1px solid var(--color-border);
}

.projects__container {
  max-width: 1200px;
  margin: 0 auto;
}

.projects__header {
  margin-bottom: 4rem;
}

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

.project-card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  padding: 3rem;
  transition: border-color 0.4s ease, transform 0.4s var(--ease-out);
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease-out);
}

.project-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
}

.project-card:hover::before {
  transform: scaleX(1);
}

.project-card__number {
  font-size: 0.7rem;
  color: var(--color-text-subtle);
  letter-spacing: 0.15em;
  margin-bottom: 2rem;
}

.project-card__name {
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.35rem;
}

.project-card__type {
  font-size: 0.8rem;
  color: var(--color-accent);
  font-weight: 500;
  margin-bottom: 1.25rem;
  letter-spacing: 0.03em;
}

.project-card__description {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  font-weight: 300;
}

/* --- Contact / Footer --- */
.contact {
  padding: 8rem 2.5rem 3rem;
  border-top: 1px solid var(--color-border);
  background-color: var(--color-bg-elevated);
}

.contact__container {
  max-width: 1200px;
  margin: 0 auto;
}

.contact__content {
  margin-bottom: 6rem;
}

.contact__title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 5rem);
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
  font-style: italic;
}

.contact__subtitle {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  font-weight: 300;
  max-width: 480px;
  line-height: 1.7;
  margin-bottom: 2.5rem;
}

.contact__links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.contact__link {
  font-size: 1rem;
  color: var(--color-text-muted);
  transition: color 0.3s ease;
  width: fit-content;
}

.contact__link--primary {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-text);
}

.contact__link--email {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  padding: 0.75rem 1.5rem;
  transition: color 0.3s ease, border-color 0.3s ease;
}

.contact__link--email:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

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

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

.contact__socials a {
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  transition: color 0.3s ease;
  position: relative;
}

.contact__socials a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width 0.3s var(--ease-out);
}

.contact__socials a:hover {
  color: var(--color-text);
}

.contact__socials a:hover::after {
  width: 100%;
}

.contact__footer {
  display: flex;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.75rem;
  color: var(--color-text-subtle);
  letter-spacing: 0.05em;
}

/* --- Reveal Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

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

/* Staggered delays for children */
.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .about__content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .exp-earlier__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav__links {
    display: none;
  }

  .nav__toggle {
    display: block;
  }

  .nav {
    padding: 1.25rem 1.5rem;
  }

  .hero {
    padding: 7rem 1.5rem 3rem;
  }

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

  .hero__text {
    order: 1;
  }

  .hero__image {
    order: 0;
    justify-self: center;
  }

  .hero__image-wrapper {
    width: 240px;
    height: 300px;
  }

  .hero__tagline br {
    display: none;
  }

  .hero__scroll {
    display: none;
  }

  .about, .experience, .projects, .contact {
    padding: 5rem 1.5rem;
  }

  .exp-card {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 1.5rem;
  }

  .exp-card__stats {
    flex-wrap: wrap;
    gap: 1.5rem;
  }

  .exp-earlier__grid {
    grid-template-columns: 1fr;
  }

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

  .contact__footer {
    flex-direction: column;
    gap: 0.5rem;
  }

  .section-title {
    font-size: 2.25rem;
  }
}

@media (max-width: 480px) {
  .hero__name-line {
    font-size: 3rem;
  }

  .hero__image-wrapper {
    width: 200px;
    height: 260px;
  }

  .exp-card__company {
    font-size: 1.5rem;
  }

  .contact__title {
    font-size: 2.5rem;
  }

  .contact__link--primary {
    font-size: 1.15rem;
  }

  .contact__socials {
    flex-direction: column;
    gap: 1rem;
  }
}

/* --- Focus States (Accessibility) --- */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero__scroll-line::after {
    animation: none;
  }

  html {
    scroll-behavior: auto;
  }

  .project-card,
  .hero__socials a,
  .tag,
  .exp-earlier__item {
    transition: none;
  }
}