/* ============================================================
   Gabriel Drăghici — Painter
   Gallery-minimal aesthetic: warm canvas, near-black ink,
   a sparing moss-green accent for the nature theme.
   ============================================================ */

:root {
  /* Colour — warm "canvas" gallery palette */
  --canvas:       #F4F1EA;  /* page background — warm paper   */
  --canvas-deep:  #ECE7DB;  /* alternating section / sunken    */
  --surface:      #FFFFFF;  /* cards, modal                    */
  --ink:          #1F1D1A;  /* primary text — warm near-black  */
  --ink-soft:     #5C574E;  /* secondary text                  */
  --ink-faint:    #8A8377;  /* meta / captions                 */
  --line:         #DAD4C6;  /* hairline borders                */
  --accent:       #5C6B4E;  /* moss green — used sparingly     */
  --accent-deep:  #3E4A35;

  /* Type */
  --font-serif: "Playfair Display", Georgia, "Times New Roman", serif;
  --font-sans:  "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  /* Rhythm & form */
  --wrap: 1200px;
  --gap: clamp(1rem, 3vw, 2.5rem);
  --radius: 2px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow-soft: 0 1px 2px rgba(31, 29, 26, 0.04), 0 8px 30px rgba(31, 29, 26, 0.08);
  --shadow-lift: 0 12px 40px rgba(31, 29, 26, 0.16);
}

/* ───────────────────────── Reset ───────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 1.0625rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3 { margin: 0; font-family: var(--font-serif); font-weight: 500; line-height: 1.08; }
p { margin: 0 0 1.1em; }
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--radius);
}

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: clamp(1.25rem, 5vw, 3rem); }

.skip-link {
  position: absolute; left: 1rem; top: -3rem;
  background: var(--ink); color: var(--canvas);
  padding: 0.6rem 1rem; z-index: 200; border-radius: var(--radius);
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 1rem; }

/* shared bits ------------------------------------------------ */
.eyebrow {
  font-size: 0.78rem; font-weight: 500;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--accent-deep); margin: 0 0 1rem;
}
.section-title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  letter-spacing: -0.01em;
}
.section-head { text-align: center; margin-bottom: clamp(2rem, 5vw, 3.5rem); }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 0.75rem 1.6rem;
  font-family: var(--font-sans); font-size: 0.95rem; font-weight: 500;
  letter-spacing: 0.02em; text-decoration: none; cursor: pointer;
  border-radius: var(--radius); border: 1px solid transparent;
  transition: background-color 0.25s var(--ease), color 0.25s var(--ease),
              border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.btn-primary { background: var(--ink); color: var(--canvas); }
.btn-primary:hover { background: var(--accent-deep); }
.btn-ghost { border-color: var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--ink); }
.btn:active { transform: translateY(1px); }

/* ───────────────────────── Header ───────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: transparent;
  transition: background-color 0.35s var(--ease), box-shadow 0.35s var(--ease),
              border-color 0.35s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: color-mix(in srgb, var(--canvas) 88%, transparent);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  border-bottom-color: var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 72px; }
.brand {
  font-family: var(--font-serif); font-size: 1.25rem; font-weight: 600;
  text-decoration: none; letter-spacing: 0.01em; line-height: 1.1;
  display: inline-flex; flex-direction: column;
}
.brand-sub {
  font-family: var(--font-sans); font-size: 0.66rem; font-weight: 500;
  letter-spacing: 0.28em; text-transform: uppercase; color: var(--ink-faint);
  margin-top: 2px;
}
.nav-menu {
  display: flex; gap: 2rem; list-style: none; margin: 0; padding: 0;
}
.nav-menu a {
  text-decoration: none; font-size: 0.95rem; font-weight: 500;
  letter-spacing: 0.02em; padding: 0.4rem 0; position: relative; color: var(--ink);
}
.nav-menu a::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px; background: var(--accent);
  transform: scaleX(0); transform-origin: left; transition: transform 0.3s var(--ease);
}
.nav-menu a:hover::after { transform: scaleX(1); }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px; justify-content: center;
  width: 44px; height: 44px; padding: 0; background: none; border: 0; cursor: pointer;
}
.nav-toggle span {
  display: block; width: 24px; height: 2px; background: var(--ink);
  transition: transform 0.3s var(--ease), opacity 0.2s var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ───────────────────────── Hero ───────────────────────── */
.hero {
  position: relative;
  min-height: clamp(560px, 88vh, 920px);
  display: flex; align-items: center;
  background:
    radial-gradient(120% 80% at 78% 18%, rgba(92, 107, 78, 0.10), transparent 60%),
    radial-gradient(90% 70% at 12% 90%, rgba(217, 142, 99, 0.10), transparent 55%),
    var(--canvas);
  overflow: hidden;
}
.hero-inner { padding-block: clamp(4rem, 12vh, 8rem); max-width: 60rem; }
.hero-title {
  font-size: clamp(2.75rem, 9vw, 6.5rem);
  letter-spacing: -0.02em; margin: 0 0 1.5rem;
}
.hero-title em { font-style: italic; color: var(--accent-deep); }
.hero-lead {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--ink-soft); max-width: 36ch; margin-bottom: 2.25rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.85rem; }
@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
}
.hero-scroll {
  position: absolute; bottom: 1.75rem; left: 50%; transform: translateX(-50%);
  font-size: 0.7rem; letter-spacing: 0.25em; text-transform: uppercase; color: var(--ink-faint);
}
.hero-scroll span { position: relative; }
.hero-scroll span::after {
  content: ""; display: block; width: 1px; height: 34px; margin: 0.6rem auto 0;
  background: linear-gradient(var(--ink-faint), transparent);
  animation: scrollHint 2.4s var(--ease) infinite;
}
@keyframes scrollHint {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ───────────────────────── Gallery ───────────────────────── */
.gallery-section { padding-block: clamp(4rem, 10vw, 7.5rem); }

.filters {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 0.5rem;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}
.filter-btn {
  background: none; border: 1px solid var(--line); color: var(--ink-soft);
  font-family: var(--font-sans); font-size: 0.85rem; font-weight: 500;
  letter-spacing: 0.04em; padding: 0.5rem 1.1rem; min-height: 40px;
  border-radius: 100px; cursor: pointer;
  transition: background-color 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}
.filter-btn:hover { border-color: var(--ink); color: var(--ink); }
.filter-btn[aria-pressed="true"] {
  background: var(--ink); color: var(--canvas); border-color: var(--ink);
}

/* Masonry-ish columns — lets varied aspect ratios breathe */
.gallery { column-count: 3; column-gap: var(--gap); }
@media (max-width: 900px) { .gallery { column-count: 2; } }
@media (max-width: 560px) { .gallery { column-count: 1; } }

.art-card {
  display: block; width: 100%; break-inside: avoid; margin-bottom: var(--gap);
  padding: 0; border: 0; background: none; cursor: pointer; text-align: left;
  font-family: inherit; color: inherit;
}
.art-frame {
  position: relative; overflow: hidden; background: var(--surface);
  box-shadow: var(--shadow-soft);
  transition: box-shadow 0.4s var(--ease), transform 0.4s var(--ease);
}
.art-frame img {
  width: 100%; height: auto;
  transition: transform 0.6s var(--ease);
}
.art-card:hover .art-frame { box-shadow: var(--shadow-lift); transform: translateY(-4px); }
.art-card:hover .art-frame img { transform: scale(1.04); }

.art-tag {
  position: absolute; top: 0.85rem; left: 0.85rem;
  background: color-mix(in srgb, var(--accent-deep) 92%, transparent);
  color: #fff; font-size: 0.66rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  padding: 0.3rem 0.6rem; border-radius: 100px;
}
.art-meta { padding: 1rem 0.25rem 0.25rem; }
.art-meta h3 { font-size: 1.2rem; font-weight: 500; line-height: 1.25; }
.art-meta p {
  margin: 0.25rem 0 0; font-size: 0.85rem; color: var(--ink-faint);
  letter-spacing: 0.01em;
}

/* ───────────────────────── About ───────────────────────── */
.about-section { background: var(--canvas-deep); padding-block: clamp(4rem, 10vw, 7.5rem); }
.about-inner {
  display: grid; grid-template-columns: 0.85fr 1fr;
  gap: clamp(2rem, 6vw, 5rem); align-items: center;
}
@media (max-width: 820px) { .about-inner { grid-template-columns: 1fr; } }
.about-portrait { margin: 0; }
.about-portrait img {
  width: 100%; border-radius: var(--radius); box-shadow: var(--shadow-soft);
}
.about-text p { color: var(--ink-soft); max-width: 52ch; }
.about-text .section-title { margin-bottom: 1.5rem; }
.about-facts {
  margin: 2rem 0 0; padding-top: 1.5rem; border-top: 1px solid var(--line);
  display: grid; gap: 1rem;
}
.about-facts div { display: flex; gap: 1rem; }
.about-facts dt {
  flex: 0 0 7.5rem; font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-faint);
  padding-top: 2px;
}
.about-facts dd { margin: 0; color: var(--ink); }

/* ───────────────────────── Contact ───────────────────────── */
.contact-section { padding-block: clamp(4.5rem, 11vw, 8rem); text-align: center; }
.contact-inner { max-width: 44rem; margin-inline: auto; }
.contact-lead { color: var(--ink-soft); font-size: 1.1rem; max-width: 38ch; margin-inline: auto; margin-bottom: 2rem; }
.contact-mail { font-size: 1rem; }
.social {
  display: flex; justify-content: center; gap: 1.75rem;
  list-style: none; margin: 2.25rem 0 0; padding: 0;
}
.social a {
  text-decoration: none; font-size: 0.9rem; font-weight: 500;
  letter-spacing: 0.04em; color: var(--ink-soft); position: relative; padding-bottom: 2px;
}
.social a:hover { color: var(--accent-deep); }

/* ───────────────────────── Footer ───────────────────────── */
.site-footer { border-top: 1px solid var(--line); padding-block: 2rem; }
.footer-inner {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.85rem; color: var(--ink-faint); gap: 1rem; flex-wrap: wrap;
}
.footer-inner a { text-decoration: none; }
.footer-inner a:hover { color: var(--ink); }

/* ───────────────────────── Lightbox ───────────────────────── */
.lightbox {
  position: fixed; inset: 0; z-index: 1000;
  display: grid; grid-template-columns: auto 1fr auto; align-items: center;
  padding: clamp(1rem, 4vw, 3rem);
}
.lightbox[hidden] { display: none; }
.lightbox-backdrop {
  position: absolute; inset: 0;
  background: rgba(20, 19, 16, 0.92);
  -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
  animation: fade 0.3s var(--ease);
}
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
.lightbox-figure {
  position: relative; z-index: 1; grid-column: 2;
  margin: 0; display: flex; flex-direction: column; align-items: center;
  max-height: 100%; gap: 1rem;
}
.lightbox-img {
  max-width: 100%; max-height: 78vh; width: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  border-radius: var(--radius); background: var(--surface);
  animation: pop 0.35s var(--ease);
}
@keyframes pop { from { opacity: 0; transform: scale(0.97); } to { opacity: 1; transform: scale(1); } }
.lightbox-caption {
  color: #EDE8DC; text-align: center; max-width: 46ch; font-size: 0.95rem;
}
.lightbox-caption strong {
  display: block; font-family: var(--font-serif); font-weight: 500;
  font-size: 1.4rem; color: #fff; margin-bottom: 0.35rem;
}
.lightbox-caption .lb-note { color: #BBB4A4; font-style: italic; margin-top: 0.4rem; }
.lightbox-close {
  position: absolute; top: clamp(0.75rem, 3vw, 1.5rem); right: clamp(0.75rem, 3vw, 1.5rem);
  z-index: 2; width: 48px; height: 48px; font-size: 2rem; line-height: 1;
  background: none; border: 0; color: #EDE8DC; cursor: pointer; border-radius: 100px;
  transition: background-color 0.2s var(--ease), transform 0.2s var(--ease);
}
.lightbox-close:hover { background: rgba(255, 255, 255, 0.12); transform: rotate(90deg); }
.lightbox-nav {
  position: relative; z-index: 2; width: 56px; height: 56px;
  font-size: 2.4rem; line-height: 1; background: none; border: 0;
  color: #EDE8DC; cursor: pointer; border-radius: 100px;
  transition: background-color 0.2s var(--ease);
}
.lightbox-nav:hover { background: rgba(255, 255, 255, 0.12); }
.lightbox-prev { grid-column: 1; }
.lightbox-next { grid-column: 3; }
@media (max-width: 640px) {
  .lightbox { grid-template-columns: 1fr; }
  .lightbox-figure { grid-column: 1; }
  .lightbox-nav { position: fixed; bottom: 1.25rem; }
  .lightbox-prev { left: 25%; }
  .lightbox-next { right: 25%; }
}

body.no-scroll { overflow: hidden; }

/* ───────────────────────── Reveal on scroll ───────────────────────── */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-scroll span::after, .art-frame img, .art-card:hover .art-frame { animation: none; transition: none; }
}

/* Mobile nav --------------------------------------------------------- */
@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .nav-menu {
    position: fixed; inset: 72px 0 auto 0;
    flex-direction: column; gap: 0; align-items: stretch;
    background: var(--canvas); border-bottom: 1px solid var(--line);
    padding: 0.5rem 0; box-shadow: var(--shadow-soft);
    transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: opacity 0.25s var(--ease), transform 0.25s var(--ease);
  }
  .nav-menu.open { transform: none; opacity: 1; pointer-events: auto; }
  .nav-menu a { display: block; padding: 0.9rem clamp(1.25rem, 5vw, 3rem); }
  .nav-menu a::after { display: none; }
}