/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.8rem var(--nav-padding-x);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: border-color 0.4s, background 0.4s;
}

.nav.scrolled {
  background: rgba(245, 241, 235, 0.96);
  border-color: var(--rule);
  backdrop-filter: blur(8px);
}

.nav__mark {
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: 0.15em;
  color: var(--near-black);
}

.nav__mark span {
  color: var(--red);
}

.nav__links {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.5rem;
}

.nav__link {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--mid);
  text-transform: uppercase;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 2px;
  transition: color var(--ease-default), border-color var(--ease-default);
}

.nav__link:hover {
  color: var(--red);
  border-color: var(--red);
}

.nav__link--active {
  color: var(--near-black);
  border-color: var(--red);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 6rem var(--section-padding-x) var(--space-xl);
  position: relative;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 80% 40%, rgba(192, 57, 43, 0.06) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 10% 80%, rgba(231, 76, 60, 0.04) 0%, transparent 60%),
    linear-gradient(180deg, var(--paper) 0%, var(--off-white) 100%);
}

.hero__rule {
  position: absolute;
  top: 0; bottom: 0;
  left: 58%;
  width: 1px;
  background: linear-gradient(180deg, transparent 0%, var(--rule) 30%, var(--rule) 70%, transparent 100%);
  opacity: 0.5;
}

.hero__content {
  position: relative;
  z-index: 2;
  padding-top: 8rem;
}

.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--red);
  text-transform: uppercase;
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.2s;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 2.2rem);
  line-height: 1.15;
  letter-spacing: 0.02em;
  color: var(--near-black);
  max-width: 75%;
  opacity: 0;
  animation: fadeUp 0.9s ease forwards 0.4s;
}

.hero__title .accent {
  display: block;
}

.hero__subtitle {
  margin-top: var(--space-lg);
  font-size: 1.05rem;
  line-height: 2;
  color: var(--dark);
  font-style: italic;
  opacity: 0;
  animation: fadeUp 0.9s ease forwards 0.7s;
}

.hero__subtitle .line {
  display: block;
}

.hero__subtitle .line--accent {
  display: block;
  color: var(--near-black);
  font-style: normal;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  margin-top: 0.3rem;
}

.hero__cta {
  margin-top: var(--space-lg);
  display: flex;
  gap: 1.2rem;
  align-items: center;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.9s ease forwards 0.95s;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 1rem 2.2rem;
  display: inline-block;
  cursor: pointer;
  border: none;
  transition: background var(--ease-default), transform 0.15s, border-color var(--ease-default), color var(--ease-default);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn--primary {
  color: var(--paper);
  background: var(--red);
}

.btn--primary:hover {
  background: var(--red-bright);
}

.btn--ghost {
  color: var(--dark);
  background: transparent;
  border: 1px solid var(--rule);
}

.btn--ghost:hover {
  border-color: var(--red);
  color: var(--red);
}

/* ============================================
   SECTION
   ============================================ */
.section {
  padding: var(--section-padding-y) var(--section-padding-x);
  border-top: 1px solid var(--rule);
  position: relative;
}

.section--alt {
  background: var(--off-white);
}

.section__label {
  font-family: var(--font-display);
  font-size: 1.8rem;
  letter-spacing: 0.1em;
  color: var(--near-black);
  text-transform: uppercase;
  margin-bottom: 3.5rem;
  padding-bottom: 1.2rem;
  border-bottom: 2px solid var(--red);
  display: inline-block;
}

/* ============================================
   LETTER / ABOUT BLOCK
   ============================================ */
.letter {
  max-width: var(--narrow-width);
}

.letter__lead {
  font-size: clamp(1.5rem, 2.8vw, 2.2rem);
  line-height: 1.5;
  color: var(--near-black);
  font-weight: 300;
  margin-bottom: var(--space-lg);
}

.letter__lead em {
  color: var(--red);
  font-style: normal;
  border-bottom: 1px solid var(--red-dim);
}

.letter__body {
  font-size: 1rem;
  line-height: 1.95;
  color: var(--dark);
}

.letter__body p + p {
  margin-top: 1.5rem;
}

.letter__body strong {
  color: var(--near-black);
  font-weight: 400;
}

/* ============================================
   EXPERIENCE CARD
   ============================================ */
.exp-list {
  max-width: var(--content-width);
}

.exp-card {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-lg);
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--rule);
}

.exp-card:first-child {
  padding-top: 0;
}

.exp-card__role {
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: 0.06em;
  color: var(--near-black);
  margin-bottom: 0.4rem;
}

.exp-card__company {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--red);
  text-transform: uppercase;
  margin-bottom: 0.3rem;
}

.exp-card__date {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--mid);
  text-transform: uppercase;
}

.exp-card__desc {
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--dark);
}

.exp-card__desc p + p {
  margin-top: 0.9rem;
}

/* ============================================
   TAGS
   ============================================ */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.2rem;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--mid);
  border: 1px solid var(--rule);
  padding: 0.3rem 0.7rem;
}

/* ============================================
   SAMPLE CARD
   ============================================ */
.sample-card {
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-lg);
  align-items: start;
}

.sample-card:first-child {
  padding-top: 0;
}

.sample-card__num {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--red);
  letter-spacing: 0.2em;
  margin-bottom: 0.6rem;
}

.sample-card__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 0.06em;
  color: var(--near-black);
  margin-bottom: 0.4rem;
}

.sample-card__domain {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  color: var(--mid);
  text-transform: uppercase;
}

.sample-card__body {
  font-size: 0.93rem;
  line-height: 1.85;
  color: var(--dark);
}

.sample-card__body p + p {
  margin-top: 0.8rem;
}

.sample-card__body strong {
  color: var(--near-black);
  font-weight: 400;
}

.sample-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.2rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--red);
  border-bottom: 1px solid var(--red-dim);
  padding-bottom: 1px;
  transition: color var(--ease-default), border-color var(--ease-default);
}

.sample-card__link:hover {
  color: var(--red-bright);
  border-color: var(--red-bright);
}

.sample-card__link::after {
  content: '\2192';
}

/* ============================================
   CONTACT BLOCK
   ============================================ */
#contact {
  scroll-margin-top: 28rem;
}

.contact {
  max-width: 680px;
}

.contact__heading {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 5.5rem);
  line-height: 0.9;
  letter-spacing: 0.03em;
  color: var(--near-black);
  margin-bottom: var(--space-md);
}

.contact__heading span {
  color: var(--red);
}

.contact__body {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--dark);
  margin-bottom: var(--space-lg);
  max-width: 48ch;
}

.contact__links {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact__row {
  display: inline-flex;
  flex-direction: column;
  gap: 0.4rem;
}

.contact__label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--mid);
  text-transform: uppercase;
}

.contact__value {
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: 0.06em;
  color: var(--near-black);
  border-bottom: 2px solid var(--red-dim);
  padding-bottom: 2px;
  transition: color var(--ease-default), border-color var(--ease-default);
  display: inline-block;
}

.contact__value:hover {
  color: var(--red-bright);
  border-color: var(--red-bright);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: 2rem var(--section-padding-x);
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--off-white);
}

.footer__mark {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.15em;
  color: var(--mid);
}

.footer__mark span {
  color: var(--red-dim);
}

.footer__links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.footer__link {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  color: var(--mid);
  text-transform: uppercase;
  transition: color var(--ease-default);
}

.footer__link:hover {
  color: var(--red);
}

.footer__note {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  color: var(--rule);
  text-transform: uppercase;
}

/* ============================================
   SKILLS GRID
   ============================================ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  max-width: var(--content-width);
}

.skills-group__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: 0.06em;
  color: var(--near-black);
  margin-bottom: var(--space-sm);
}

.skills-group__list {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 2.2;
  letter-spacing: 0.04em;
  color: var(--dark);
}

/* ============================================
   MODAL
   ============================================ */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(30, 28, 25, 0.55);
  backdrop-filter: blur(4px);
  justify-content: center;
  align-items: center;
  padding: 2rem;
}

.modal-overlay--open {
  display: flex;
}

.modal {
  position: relative;
  background: var(--paper);
  max-width: 720px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  padding: 2.5rem 3rem;
  border-top: 3px solid var(--red);
}

.modal__close {
  position: sticky;
  top: 0;
  float: right;
  background: none;
  border: none;
  font-size: 1.8rem;
  line-height: 1;
  color: var(--mid);
  cursor: pointer;
  padding: 0 0 0.5rem 1rem;
  transition: color 0.2s;
  z-index: 1;
}

.modal__close:hover {
  color: var(--red);
}

.modal__header {
  margin-bottom: 1.5rem;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--rule);
}

.modal__title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: 0.08em;
  color: var(--near-black);
  margin-bottom: 0.4rem;
}

.modal__subtitle {
  font-size: 0.9rem;
  color: var(--dark);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.modal__copy-btn {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.5rem 1.2rem;
  background: var(--red);
  color: var(--paper);
  border: none;
  cursor: pointer;
  transition: background 0.2s;
}

.modal__copy-btn:hover {
  background: var(--red-bright);
}

.modal__pre {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  line-height: 1.75;
  color: var(--near-black);
  white-space: pre-wrap;
  word-wrap: break-word;
  background: var(--off-white);
  padding: 1.5rem;
  border: 1px solid var(--rule);
  overflow-x: auto;
}

.step-reader { margin-top: 0; }

.step-progress {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--mid);
  text-transform: uppercase;
  margin-bottom: 1.8rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.step-progress__dots {
  display: flex;
  gap: 0.4rem;
}

.step-progress__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1px solid var(--rule);
  background: transparent;
  transition: background 0.3s, border-color 0.3s;
}

.step-progress__dot--active {
  background: var(--red);
  border-color: var(--red);
}

.step-progress__dot--visited {
  background: var(--mid);
  border-color: var(--mid);
}

.step { display: none; animation: stepFadeIn 0.35s ease; }
.step--active { display: block; }

@keyframes stepFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.step__title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: 0.08em;
  color: var(--near-black);
  margin-bottom: 1.2rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--rule);
}

.step__body {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--near-black);
}

.step__body p { margin-bottom: 1rem; }

.step__body ul,
.step__body ol {
  margin: 0.8rem 0 1rem 1.4rem;
  line-height: 1.85;
}

.step__body li {
  margin-bottom: 0.3rem;
  color: var(--dark);
}

.step__callout {
  margin-top: 1.6rem;
  padding: 1rem 1.3rem;
  border-left: 2px solid var(--red);
  background: rgba(192, 57, 43, 0.03);
  font-style: italic;
  color: var(--dark);
  font-size: 0.93rem;
  line-height: 1.65;
}

.step-controls {
  margin-top: 2rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.step-btn {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.6rem 1.2rem;
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--near-black);
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.step-btn:hover {
  color: var(--red);
  border-color: var(--red);
}

.step-btn--primary {
  background: var(--red);
  color: var(--paper);
  border-color: var(--red);
}

.step-btn--primary:hover {
  background: var(--red-bright);
  border-color: var(--red-bright);
  color: var(--paper);
}

.step-btn--hidden { visibility: hidden; }

@media (max-width: 768px) {
  .modal {
    padding: 1.5rem;
    max-height: 90vh;
  }
  .step__title { font-size: 1.2rem; }
  .step-btn { padding: 0.5rem 0.9rem; font-size: 0.65rem; }
}