*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-mat: #2a3a2e;
  --color-mat-grid: #3a5040;
  --color-paper: #f5f0e8;
  --color-paper-shadow: rgba(0, 0, 0, 0.25);
  --color-ink: #1a1a1a;
  --color-ink-muted: #555;
  --grid-size: 1.5rem;
}

html {
  font-size: 100%;
  scroll-snap-type: y mandatory;
  overflow-x: clip;
}

body {
  background-color: var(--color-mat);
  background-image:
    linear-gradient(var(--color-mat-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-mat-grid) 1px, transparent 1px);
  background-size: var(--grid-size) var(--grid-size);
  color: var(--color-ink);
  font-family: 'Courier New', Courier, monospace;
  min-height: 100vh;
  overflow-x: clip; /* prevent GSAP x-translate and rotated elements from causing horizontal scroll */
}

/* Each section fills the viewport */
[data-panel] {
  position: relative;
  z-index: 1;
  height: 100svh;
  overflow: hidden;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
}

/* ── Contact background overlay ── */
[data-contact-bg] {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-color: #080808;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
  background-size: var(--grid-size) var(--grid-size);
  opacity: 0;
}

/* The paper card inside each section */
[data-panel] .panel-card {
  background: var(--color-paper);
  padding: 3rem 3.5rem;
  box-shadow: 4px 8px 32px var(--color-paper-shadow);
  border-radius: 2px;
  width: 100%;
  max-width: 820px;
}

/* ── Top nav ── */
nav.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  padding: 1.25rem 2rem;
  pointer-events: none;
}

.site-nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

nav.site-nav a {
  pointer-events: all;
  color: var(--color-paper);
  opacity: 0.35;
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: opacity 0.25s;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
  overflow: hidden;
  display: inline-flex;
  align-items: center;
}

nav.site-nav a .nav-text {
  display: inline-block;
}

nav.site-nav a.is-active,
nav.site-nav a:hover {
  opacity: 1;
}

/* ── Hamburger button ── */
.nav-hamburger {
  display: none;
  pointer-events: all;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 101;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-paper);
  transition: transform 0.25s ease, opacity 0.25s ease;
  transform-origin: center;
}

.nav-hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── Mobile dropdown menu ── */
.nav-mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 99;
  background: rgba(8, 8, 8, 0.97);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 4rem 2rem 1.5rem;
  flex-direction: column;
  gap: 0;
  transform: translateY(-100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-mobile-menu.is-open {
  transform: translateY(0);
}

.nav-mobile-link {
  display: block;
  padding: 0.9rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--color-paper);
  text-decoration: none;
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.6;
  transition: opacity 0.2s;
}

.nav-mobile-link:last-child { border-bottom: none; }
.nav-mobile-link:hover { opacity: 1; }

/* ── Scroll dots ── */
.scroll-dots {
  position: fixed;
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.scroll-dots button {
  width: 1.25rem;
  height: 1.25rem;
  position: relative;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.5;
  transition: opacity 0.2s;
}

.scroll-dots button::before {
  content: '';
  position: absolute;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  border: 1px solid var(--color-paper);
  background: transparent;
}

.scroll-dots button svg.dot-icon {
  width: 0.875rem;
  height: 0.875rem;
  display: none;
  stroke: var(--color-paper);
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.scroll-dots button.is-active         { opacity: 1; }
.scroll-dots button.is-active::before { display: none; }
.scroll-dots button.is-active svg.dot-icon { display: block; }

/* ── Contact shortcuts (top-right) ── */
[data-contact-shortcuts] {
  position: fixed;
  top: 1.25rem;
  right: 2rem;
  z-index: 100;
  display: flex;
  gap: 1.25rem;
  align-items: center;
  transition: opacity 0.3s, visibility 0.3s;
}

[data-contact-shortcuts] a {
  color: var(--color-paper);
  opacity: 0.5;
  transition: opacity 0.2s;
  display: flex;
  align-items: center;
}

[data-contact-shortcuts] a:hover { opacity: 1; }

[data-contact-shortcuts] svg {
  width: 1.25rem;
  height: 1.25rem;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

[data-contact-shortcuts].is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* ── Intro hero ── */
.intro-section {
  position: relative;
  height: 100svh;
  overflow: hidden;
  display: grid;
  grid-template-columns: 2.5fr 3.5fr;
  align-items: center;
  gap: 2rem;
  padding: 5rem 3rem 3rem;
}

.intro-left {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.intro-name {
  display: flex;
  flex-wrap: wrap;
  line-height: 1;
}

.intro-char {
  display: inline-block;
  font-size: clamp(2.5rem, 5vw, 5rem);
  font-family: 'Courier New', monospace;
  color: var(--color-paper);
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.5);
  opacity: 0;
  will-change: transform, font-family;
}

.intro-space {
  display: inline-block;
  width: 0.45em;
  font-size: clamp(2.5rem, 5vw, 5rem);
}

.intro-label {
  font-family: 'Courier New', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--color-paper);
  opacity: 0;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}

.intro-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 0.75rem;
  align-self: stretch;
  padding: 1rem 0;
}

.intro-highlight-card {
  display: block;
  border: 1px solid rgba(245, 240, 232, 0.15);
  border-radius: 2px;
  background: rgba(245, 240, 232, 0.04);
  opacity: 0;
}

/* ── Contact section ── */
.contact .panel-card {
  background: transparent;
  box-shadow: none;
  padding: 0;
  max-width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3rem;
}

.contact-heading {
  font-family: 'Courier New', monospace;
  font-size: clamp(3rem, 8vw, 6.5rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-paper);
  text-align: center;
  line-height: 0.95;
  text-shadow: 0 2px 40px rgba(255, 255, 255, 0.08);
}

.contact-cards {
  display: flex;
  gap: 1.25rem;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}

.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 2rem 1.75rem;
  width: 10rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-paper);
  text-decoration: none;
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1),
              box-shadow 0.35s ease,
              border-color 0.35s ease,
              background 0.35s ease;
}

.contact-card:nth-child(1) { transform: rotate(-4deg); }
.contact-card:nth-child(2) { transform: rotate(-1.5deg); }
.contact-card:nth-child(3) { transform: rotate(1.5deg); }
.contact-card:nth-child(4) { transform: rotate(4deg); }

.contact-card:hover,
.contact-card:focus-visible {
  transform: rotate(0deg) translateY(-10px) scale(1.04) !important;
  box-shadow: 0 16px 48px rgba(255, 255, 255, 0.1), 0 0 0 1px rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.08);
}

.contact-card:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.6);
  outline-offset: 4px;
}

.contact-card-icon {
  width: 1.75rem;
  height: 1.75rem;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.8;
}

.contact-card-label {
  font-family: 'Courier New', monospace;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--color-paper);
}

.contact-card-sub {
  font-family: 'Courier New', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  color: rgba(245, 240, 232, 0.45);
  text-align: center;
  word-break: break-all;
}

.contact-caption {
  font-family: 'Courier New', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: rgba(245, 240, 232, 0.35);
  text-align: center;
}

/* ════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════ */

/* ── Large monitors (≥ 1440px) ── */
@media (min-width: 1440px) {
  [data-panel] .panel-card { max-width: 960px; }
  .intro-highlights { left: 55%; right: 3rem; }
}

/* ── Tablet (≤ 1024px) ── */
@media (max-width: 1024px) {
  .intro-section { grid-template-columns: 2.5fr 3fr; gap: 1.5rem; }
}

/* ── Mobile (≤ 768px) ── */
@media (max-width: 768px) {

  [data-panel] {
    height: 100svh;
    padding: 5rem 1.25rem 2rem;
    overflow: hidden; /* keep both axes clipped */
  }

  [data-panel] .panel-card {
    padding: 2rem 1.5rem;
    max-width: 100%;
  }

  /* Nav: hide desktop links, show hamburger */
  nav.site-nav { padding: 1rem 1.25rem; }
  .site-nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .nav-mobile-menu { display: flex; }

  /* Contact shortcuts overlap nav on mobile — hide them */
  [data-contact-shortcuts] { display: none; }

  /* Intro: single column on mobile, hide highlight cards */
  .intro-section {
    grid-template-columns: 1fr;
    justify-items: center;
    padding: 5rem 1.5rem 2rem;
  }
  .intro-left { align-items: center; text-align: center; }
  .intro-name { justify-content: center; }
  .intro-highlights { display: none; }

  /* Intro name: smaller on mobile */
  .intro-char,
  .intro-space { font-size: clamp(1.8rem, 8vw, 3.5rem); }

  /* Scroll dots: move tighter to edge */
  .scroll-dots { right: 0.5rem; gap: 0.5rem; }
  .scroll-dots button { width: 1rem; height: 1rem; }

  /* Contact */
  .contact .panel-card { gap: 2rem; }
  .contact-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }
  .contact-card:nth-child(n) { transform: none; width: auto; padding: 1.5rem 1rem; }
  .contact-heading { font-size: clamp(2.5rem, 10vw, 4.5rem); }
}

/* ── Small phones (≤ 480px) ── */
@media (max-width: 480px) {
  nav.site-nav a { font-size: 0.65rem; }

  /* Hide scroll dots — not enough room */
  .scroll-dots { display: none; }

  [data-panel] { padding: 4.5rem 1rem 1.5rem; }

  [data-panel] .panel-card { padding: 1.5rem 1.25rem; }
}