/* ============================================================
   HOME PAGE — Specific Styles
   ============================================================ */

/* ---- HERO ---- */
.hero {
  min-height: calc(100vh - var(--nav-h));
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto 1fr auto;
  gap: 0;
  padding: 72px 48px 48px;
  position: relative;
  overflow: hidden;
  align-items: center;
}

/* Dot-grid background */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(
    circle,
    var(--grey-200) 1px,
    transparent 1px
  );
  background-size: 32px 32px;
  opacity: 0.5;
  pointer-events: none;
}

/* Gradient fade edges */
.hero-grid::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 60% 60% at 50% 50%,
    transparent 40%,
    var(--bg) 100%
  );
}

.hero-label {
  grid-column: 1;
  grid-row: 1;
  margin-bottom: 24px;
}

.hero-text {
  grid-column: 1;
  grid-row: 2;
  z-index: 1;
  padding-left: 100px; /* indent headline 100px from left */
}

.hero-heading {
  font-family: var(--font-display);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.hero-heading .line-1 {
  display: block;
  font-size: clamp(14px, 1.5vw, 18px);
  font-weight: 500;
  color: var(--grey-400);
  letter-spacing: 0.02em;
  margin-bottom: 4px;
  font-family: var(--font-body);
  text-transform: uppercase;
}

.hero-heading .line-2 {
  display: block;
  font-size: clamp(52px, 7vw, 96px);
  font-weight: 800;
  color: var(--blue-dark);
}

/* Italic serif part of name */
.hero-heading em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 300;
  color: var(--blue-bright);
}

.hero-sub {
  margin-top: 20px;
  color: var(--grey-700);
  font-size: 15px;
  line-height: 1.7;
}

.hero-trekkie {
  font-size: 13px;
  color: var(--grey-400);
}

.hero-cta-row {
  display: flex;
  gap: 16px;
  margin-top: 36px;
  flex-wrap: wrap;
}

/* ---- DESK SCENE (3D FOLDER INTERACTION) ---- */
.desk-scene {
  grid-column: 2;
  grid-row: 1 / 4;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 20px;
  padding-bottom: 24px;
  position: relative;
  perspective: 900px; /* 3D perspective for children */
}

/* Desk surface line */
.desk-surface {
  position: absolute;
  bottom: 0;
  left: -20px;
  right: -20px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--grey-200), transparent);
}

/* ---- 3D FOLDER ---- */
.folder-3d {
  position: relative;
  width: 140px;
  cursor: none;
  transform-style: preserve-3d;
  /* Resting tilt — each folder slightly different */
  transform: rotateX(8deg) rotateY(0deg) translateY(0);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow 0.35s;
  filter: drop-shadow(0 12px 24px rgba(10, 22, 40, 0.15));
}

/* Stagger resting angles */
#folder-projects {
  transform: rotateX(8deg) rotateY(-6deg) translateY(0);
}
#folder-about {
  transform: rotateX(8deg) rotateY(0deg) translateY(-16px);
  z-index: 1;
}
#folder-contact {
  transform: rotateX(8deg) rotateY(6deg) translateY(0);
}

/* Hover state — folder lifts open */
.folder-3d:hover,
.folder-3d:focus {
  transform: rotateX(-8deg) rotateY(0deg) translateY(-24px) scale(1.05) !important;
  filter: drop-shadow(0 28px 40px rgba(10, 22, 40, 0.25));
  outline: none;
}

/* Tab on top of folder */
.folder-tab {
  position: absolute;
  top: -22px;
  left: 0;
  width: 60%;
  height: 22px;
  background: var(--blue-mid);
  border-radius: 8px 8px 0 0;
  font-family: var(--font-display);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white);
  display: flex;
  align-items: center;
  padding: 0 10px;
  clip-path: polygon(0 100%, 0 0, 85% 0, 100% 100%);
}

/* Folder body */
.folder-body {
  background: var(--blue-mid);
  border-radius: 0 8px 8px 8px;
  padding: 20px 16px 16px;
  min-height: 160px;
  position: relative;
  z-index: 2;
  overflow: hidden;
  transition: background 0.2s;
}

.folder-3d:hover .folder-body {
  background: var(--blue-bright);
}

/* Interior glow */
.folder-body::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse at 50% 0%,
    rgba(255, 255, 255, 0.12),
    transparent 70%
  );
}

.folder-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 100%;
  color: var(--white);
  text-align: center;
}

.folder-icon {
  font-size: 28px;
}

.folder-title {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.folder-count {
  font-size: 10px;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Yellow bottom accent strip on hover */
.folder-body::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--yellow);
  transform: scaleX(0);
  transition: transform 0.2s;
}
.folder-3d:hover .folder-body::after {
  transform: scaleX(1);
}

/* Papers peeking out of folder top */
.folder-papers {
  position: absolute;
  top: -6px;
  left: 12px;
  right: 12px;
  z-index: 1;
}
.paper {
  position: absolute;
  background: var(--white);
  border-radius: 3px 3px 0 0;
  border-top: 1px solid var(--border);
  height: 12px;
  left: 0;
  right: 0;
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.paper.p1 {
  transform: rotate(-3deg) translateY(0);
}
.paper.p2 {
  transform: rotate(2deg) translateY(0);
  background: var(--grey-100);
}

.folder-3d:hover .paper.p1 {
  transform: rotate(-8deg) translateY(-6px);
}
.folder-3d:hover .paper.p2 {
  transform: rotate(5deg) translateY(-4px);
}

@media (min-width: 1200px) {
  .desk-scene {
    margin-left: -300px;
  }
}

/* ---- STICKY NOTE ---- */
.sticky-note {
  position: absolute;
  top: 20%;
  right: 12%;
  background: var(--yellow);
  padding: 12px 16px;
  border-radius: 2px;
  box-shadow: 4px 4px 12px rgba(0, 0, 0, 0.15);
  transform: rotate(4deg);
  font-size: 11px;
  font-family: var(--font-body);
  color: var(--black);
  line-height: 1.5;
  max-width: 110px;
  pointer-events: none;
}

/* ---- DESK PENCIL DECORATION ---- */
.desk-pencil {
  position: absolute;
  bottom: 4px;
  right: 4%;
  width: 8px;
  height: 80px;
  background: linear-gradient(
    180deg,
    #f5c518 0%,
    #f5c518 80%,
    #f0c090 80%,
    #f0c090 88%,
    #e07050 88%,
    #e07050 92%,
    #555 92%,
    #555 100%
  );
  border-radius: 4px 4px 0 0;
  transform: rotate(-15deg);
  transform-origin: bottom center;
}

/* ---- SCROLL HINT ---- */
.scroll-hint {
  grid-column: 1;
  grid-row: 3;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--grey-400);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 24px;
}
.scroll-line {
  width: 40px;
  height: 1px;
  background: var(--grey-400);
  position: relative;
  overflow: hidden;
}
.scroll-line::after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--blue-bright);
  animation: scrollSlide 2s ease-in-out infinite;
}
@keyframes scrollSlide {
  0% {
    left: -100%;
  }
  50% {
    left: 0%;
  }
  100% {
    left: 100%;
  }
}

/* ---- PROJECTS PREVIEW ---- */
.projects-preview {
  max-width: 1200px;
  margin: 0 auto;
}

.projects-header {
  margin-bottom: 48px;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.project-card {
  display: block;
  border-radius: 16px;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s, box-shadow 0.3s;
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.project-card-img {
  position: relative;
  overflow: hidden;
}

.project-card-img img,
.project-card-img .img-placeholder {
  transition: transform 0.4s;
}

.project-card:hover .project-card-img img,
.project-card:hover .project-card-img .img-placeholder {
  transform: scale(1.03);
}

.project-card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 22, 40, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s;
}

.project-card:hover .project-card-overlay {
  opacity: 1;
}

.project-card-cta {
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.04em;
  border: 2px solid var(--yellow);
  padding: 10px 20px;
  border-radius: 6px;
}

.project-card-info {
  padding: 24px;
}

.project-card-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.project-card-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--blue-dark);
  margin-bottom: 8px;
}

.project-card-desc {
  font-size: 14px;
  color: var(--grey-700);
  line-height: 1.7;
  margin-bottom: 16px;
}

.project-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--grey-400);
  border-top: 1px solid var(--border);
  padding-top: 12px;
}

.project-card-arrow {
  font-size: 18px;
  color: var(--blue-bright);
  transition: transform 0.2s;
}

.project-card:hover .project-card-arrow {
  transform: translateX(4px);
}

.projects-footer {
  margin-top: 20px;
  text-align: center;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto auto;
    padding: 48px 24px 24px;
  }
  .desk-scene {
    grid-column: 1;
    grid-row: 3;
    height: 260px;
    margin-top: 32px;
  }
  .scroll-hint {
    display: none;
  }
  .project-grid {
    grid-template-columns: 1fr;
  }
  .about-strip-inner {
    flex-direction: column;
  }
}