/* ============================================================
   Katja Mali — Landscape Architect
   style.css
   ============================================================ */

/* --- Custom Properties --------------------------------------- */
:root {
  --c-bg:        #ffffff;
  --c-surface:   #f4f1eb;
  --c-dark:      #1c1c18;
  --c-mid:       #5a5a50;
  --c-accent:    #4a6741;
  --c-accent-lt: #c8d5c0;
  --c-border:    #d8d4c8;

  --font-serif:  'Diatype', Georgia, 'Times New Roman', serif;
  --font-sans:   'Diatype', system-ui, -apple-system, 'Segoe UI', Helvetica, Arial, sans-serif;

  --gap:         clamp(1.5rem, 4vw, 3rem);
}

/* --- Reset --------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; overflow-y: scroll; }
@supports (scrollbar-gutter: stable) {
  html { overflow-y: auto; scrollbar-gutter: stable; }
}
img  { display: block; max-width: 100%; height: auto; }
ul   { list-style: none; }
a    { color: inherit; text-decoration: none; }
button { font: inherit; border: none; background: none; cursor: pointer; color: inherit; }

/* --- Base ---------------------------------------------------- */
body {
  background-color: var(--c-bg);
  color: var(--c-dark);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.2;
}

/* --- Site Layout --------------------------------------------- */
.site-layout {
  min-height: 100svh;
  max-width: 960px;
  margin-inline: auto;
}

/* --- Sidebar ------------------------------------------------- */
.sidebar {
  width: 100%;
  min-height: 100svh;
  background: var(--c-bg);
  display: flex;
  flex-direction: column;
}

.nav-logo {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  color: var(--c-dark);
  padding: 2rem 1.75rem 1.5rem;
}

/* --- Accordion ----------------------------------------------- */
.nav-accordion {
  flex: 1;
}


.accordion-btn {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  padding: 1rem 1.75rem;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-mid);
  transition: color 0.2s, background 0.2s;
}

.accordion-btn:hover {
  color: var(--c-dark);
  background: var(--c-surface);
}

.accordion-btn[aria-expanded="true"] {
  color: var(--c-dark);
  background: var(--c-surface);
}

/* Panel: hidden by default via grid trick for smooth animation */
.accordion-panel {
  display: grid;
  grid-template-rows: minmax(0, 0fr);
  overflow: hidden;
  transition: grid-template-rows 0.35s ease;
}

.accordion-panel[aria-hidden="false"] {
  grid-template-rows: minmax(0, 1fr);
}

.accordion-panel-inner {
  min-height: 0;
  padding-inline: 1.75rem;
  padding-block-start: 0.75rem;
  padding-block-end: 1.75rem;
}

/* --- About (inside accordion) -------------------------------- */
.about-portrait {
  aspect-ratio: 3/4;
  overflow: hidden;
  background: var(--c-accent-lt);
  margin-bottom: 1.25rem;
}

.about-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.about-portrait:hover img { transform: scale(1.03); }

.about-text h2 {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  margin-bottom: 1rem;
  color: var(--c-dark);
}

.about-text p {
  color: var(--c-mid);
  margin-bottom: 0.75rem;
  font-size: 0.92rem;
}

/* --- Projects (inside accordion) ----------------------------- */
.accordion-panel-inner h2 {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  margin-bottom: 1.25rem;
}

.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.project-card { overflow: hidden; }
.project-link { display: block; }

.project-img-wrap {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--c-accent-lt);
}

.project-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.project-card:hover .project-img-wrap img { transform: scale(1.05); }

.project-meta {
  padding-block: 0.7rem;
  border-bottom: 1px solid var(--c-border);
}

.project-meta h3 {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 400;
  margin-bottom: 0.15rem;
  transition: color 0.2s;
}

.project-card:hover .project-meta h3 { color: var(--c-accent); }

.project-meta p {
  font-size: 0.72rem;
  color: var(--c-mid);
  letter-spacing: 0.04em;
}

/* --- Contact (inside accordion) ------------------------------ */
.accordion-panel-inner .contact-body {
  color: var(--c-mid);
  font-size: 0.92rem;
  margin-bottom: 1.25rem;
}

.contact-email {
  display: inline-block;
  font-size: 0.92rem;
  letter-spacing: 0.03em;
  color: var(--c-accent);
  border-bottom: 1px solid var(--c-accent-lt);
  padding-bottom: 0.15rem;
  transition: border-color 0.2s, color 0.2s;
}

.contact-email:hover {
  color: var(--c-dark);
  border-color: var(--c-dark);
}

/* --- Sidebar Footer ------------------------------------------ */
.sidebar-footer {
  padding: 1.5rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  margin-top: auto;
}

.footer-name {
  font-family: var(--font-serif);
  font-size: 0.85rem;
}

.footer-copy {
  font-size: 0.7rem;
  color: var(--c-mid);
}

/* --- Scroll reveal ------------------------------------------ */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* --- Section label (utility) -------------------------------- */
.section-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 0.75rem;
}

/* --- Responsive --------------------------------------------- */

/* Wider screens: buttons sit in a fixed left column, panel expands to the right */
@media (min-width: 769px) {
  .accordion-item {
    display: flex;
    align-items: flex-start;
  }

  .accordion-btn {
    width: var(--nav-col);
    flex-shrink: 0;
  }

  .accordion-panel {
    flex: 1;
  }

  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile: single column, panel expands below button */
@media (max-width: 768px) {
  .nav-logo {
    padding: 1.5rem 1.25rem 1rem;
  }

  .accordion-btn {
    padding: 1rem 1.25rem;
    font-size: 0.82rem;
  }

  .accordion-panel-inner {
    padding-inline: 1.25rem;
  }

  .sidebar-footer {
    padding: 1.25rem;
  }
}