/* =====================================================
   style.css — shared by ALL pages.
   One stylesheet, many pages: each page only "uses" the
   rules whose classes appear in its HTML.
   ===================================================== */

/* ---------- 1. VARIABLES + RESET ---------- */

:root {
  --bg: #faf8f4;          /* warm paper white */
  --text: #1c1a17;        /* soft black */
  --muted: #8a8378;       /* warm gray */
  --accent: #9c5b3c;      /* copper, like the staircase */
  --max-width: 1100px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.7;
}

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

a {
  color: var(--text);
  text-decoration: none;
}

/* ---------- 2. HEADER: hamburger + dropdown (every page) ---------- */

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  padding: 1.5rem;
  z-index: 10;
}

.menu-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-left: auto;
}

.menu-toggle span {
  display: block;
  width: 26px;
  height: 1px;
  background: var(--text);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* open state: bars morph into an X */
.site-header.open .menu-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.site-header.open .menu-toggle span:nth-child(2) {
  opacity: 0;
}
.site-header.open .menu-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.site-nav {
  display: none;
  flex-direction: column;
  align-items: flex-end;
  gap: 1.25rem;
  margin-top: 1.25rem;
  background: var(--bg);
  padding: 1.5rem;
}

.site-header.open .site-nav {
  display: flex;
}

.site-nav a {
  font-family: system-ui, sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
}

.site-nav a:hover {
  color: var(--accent);
}

/* ---------- 3. MAIN PAGE HERO ---------- */

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.monogram {
  font-size: clamp(8rem, 30vw, 18rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.05em;
}

.name {
  margin-top: 1.5rem;
  font-family: system-ui, sans-serif;
  font-size: 0.9rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
}

.tagline {
  margin-top: 0.5rem;
  font-family: system-ui, sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- 4. INNER PAGE LAYOUT ---------- */

/* shared column for about / projects / contacts / descriptions.
   Big top padding clears the fixed header. */
.page {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 8rem 1.5rem 5rem;
}

.page-title {
  font-size: 2.5rem;
  font-weight: 400;
  margin-bottom: 2.5rem;
}

.about-text {
  max-width: 55ch;
  font-size: 1.15rem;
}

.contact-link {
  font-size: 1.5rem;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 2px;
}

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

/* ---------- 5. PROJECTS LIST ---------- */

.project-list {
  display: grid;
  /* auto-fill columns min 320px → 1 col on phone, 2-3 on desktop */
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2.5rem;
}

.project-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;        /* cards crop OK — full images live on
                               the project page itself */
  transition: opacity 0.3s ease;
}

.project-card:hover img {
  opacity: 0.85;            /* subtle hover feedback */
}

.project-card h2 {
  font-size: 1.35rem;
  font-weight: 400;
  margin-top: 1rem;
}

.project-card-note {
  font-family: system-ui, sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- 6. PROJECT PAGE: SHADED HERO ---------- */

.project-hero {
  position: relative;       /* anchor for the absolutely-placed text */
  height: 70vh;
}

.project-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ::after = invisible extra element ON TOP of the image.
   The gradient is the "shade": dark at the bottom, clear on top,
   so the white title stays readable over any photo. */
.project-hero::after {
  content: "";
  position: absolute;
  inset: 0;                 /* shorthand: top/right/bottom/left = 0 */
  background: linear-gradient(
    to top,
    rgba(20, 15, 10, 0.75) 0%,
    rgba(20, 15, 10, 0.15) 45%,
    rgba(20, 15, 10, 0) 100%
  );
}

.project-hero-text {
  position: absolute;
  bottom: 2.5rem;
  left: 2.5rem;
  z-index: 1;               /* above the ::after shade */
  color: #faf8f4;
}

.project-hero-text h1 {
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 400;
  line-height: 1.1;
}

.project-hero-text p {
  font-family: system-ui, sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.8;
  margin-top: 0.5rem;
}

/* ---------- 7. IMAGES FOLDER ---------- */

.folder-toggle {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 3rem;
  background: none;
  border: none;
  border-top: 1px solid var(--muted);
  border-bottom: 1px solid var(--muted);
  width: 100%;
  padding: 1.25rem 0;
  cursor: pointer;
  font-family: system-ui, sans-serif;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text);
}

/* the ▸ arrow rotates down when open */
.folder-icon {
  transition: transform 0.3s ease;
}

.folder-toggle.open .folder-icon {
  transform: rotate(90deg);
}

.folder-count {
  color: var(--muted);
  margin-left: auto;        /* pushes the number to the right edge */
}

/* preview grid: hidden until the folder is opened */
.folder-content {
  display: none;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.75rem;
  padding: 1.5rem 0;
}

.folder-content.open {
  display: grid;
}

.folder-content img {
  width: 100%;
  aspect-ratio: 1;          /* square previews, like a file manager */
  object-fit: cover;
  cursor: pointer;          /* signals "clickable" */
  transition: opacity 0.2s ease;
}

.folder-content img:hover {
  opacity: 0.8;
}

/* ---------- 8. LIGHTBOX (fullscreen slider) ---------- */

.lightbox {
  display: none;            /* JS adds .open to show it */
  position: fixed;
  inset: 0;
  z-index: 100;             /* above everything, including the header */
  background: rgba(12, 10, 8, 0.95);
  align-items: center;
  justify-content: center;
}

.lightbox.open {
  display: flex;
}

.lightbox img {
  /* widescreen view: as big as fits, never cropped */
  max-width: 92vw;
  max-height: 88vh;
  object-fit: contain;
}

/* shared style for the three buttons */
.lightbox button {
  position: absolute;
  background: none;
  border: none;
  color: #faf8f4;
  cursor: pointer;
  font-size: 2.5rem;
  line-height: 1;
  padding: 1rem;
  opacity: 0.7;
}

.lightbox button:hover {
  opacity: 1;
}

.lightbox-close {
  top: 1rem;
  right: 1.5rem;
}

.lightbox-prev {
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-next {
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
}

/* ---------- 9. REVEAL ANIMATION ---------- */

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ---------- 10. MOBILE ---------- */

@media (max-width: 640px) {
  .page {
    padding: 6rem 1.25rem 3rem;
  }

  .project-hero-text {
    bottom: 1.5rem;
    left: 1.25rem;
  }

  .folder-content {
    grid-template-columns: repeat(3, 1fr);  /* 3 small squares per row */
  }
}