/* ============================================================
   BUHRMANN FAMILY WEBSITE — MAIN STYLESHEET
   ============================================================ */

/* --- Custom Properties ------------------------------------ */
:root {
  --bg:           #F9F7F4;
  --surface:      #F1EDE5;
  --border:       #DDD6CC;
  --text:         #1A1918;
  --text-muted:   #6B6560;
  --accent:       #7A6248;
  --accent-light: #BFB09C;

  --font-heading: 'Nanum Myeongjo', Georgia, serif;
  --font-body:    'Inter', system-ui, -apple-system, sans-serif;

  --max-width: 1100px;
  --radius: 4px;
  --transition: 0.2s ease;
}

/* --- Reset ------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* --- Utility ---------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav__logo {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text);
}

.nav__links {
  display: flex;
  gap: 2.5rem;
}

.nav__links a {
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--transition);
  position: relative;
  padding-bottom: 2px;
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width var(--transition);
}

.nav__links a:hover,
.nav__links a.active {
  color: var(--text);
}

.nav__links a:hover::after,
.nav__links a.active::after {
  width: 100%;
}

/* Mobile toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  width: 32px;
  height: 32px;
}

.nav__toggle span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--text);
  transition: transform var(--transition), opacity var(--transition);
}

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

/* ============================================================
   HERO — HOME PAGE
   ============================================================ */
.hero {
  position: relative;
}

.hero__image {
  width: 100%;
  height: clamp(420px, 70vh, 700px);
  overflow: hidden;
}

.hero__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* Placeholder shown when no real image is set */
.hero__image-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(160deg, #E8E0D5 0%, #D4C9B8 50%, #C8BAA5 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__image-placeholder span {
  font-family: var(--font-heading);
  font-size: 1rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  opacity: 0.6;
  border: 1px solid var(--accent-light);
  padding: 0.6rem 1.5rem;
}

.hero__content {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  padding-bottom: 3rem;
  text-align: center;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 1.1;
  color: #fff;
  text-shadow: 0 2px 24px rgba(0,0,0,0.35);
  letter-spacing: 0.01em;
}

.hero__subtitle {
  font-size: 0.9rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  margin-top: 0.5rem;
}

/* ============================================================
   WELCOME SECTION — HOME PAGE
   ============================================================ */
.welcome {
  padding: 5rem 1.5rem;
  text-align: center;
}

.welcome__inner {
  max-width: 620px;
  margin: 0 auto;
}

.welcome__inner h2 {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--text);
}

.welcome__inner p {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 2rem;
}

/* Button */
.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: background var(--transition), color var(--transition);
}

.btn:hover {
  background: var(--accent);
  color: #fff;
}

/* ============================================================
   PAGE HEADER (inner pages)
   ============================================================ */
.page-header {
  padding: 4.5rem 1.5rem 3rem;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.page-header h1 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  letter-spacing: 0.01em;
  margin-bottom: 0.75rem;
}

.page-header p {
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.about-intro {
  padding: 4.5rem 1.5rem;
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.about-intro h2 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.about-intro p {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.85;
}

/* Divider */
.divider {
  width: 48px;
  height: 1px;
  background: var(--accent-light);
  margin: 2.5rem auto;
}

/* Bio cards */
.bios {
  background: var(--surface);
  padding: 4rem 1.5rem;
}

.bios__inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.bios__heading {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: 3rem;
}

.bio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.bio-card {
  background: var(--bg);
  border: 1px solid var(--border);
  overflow: hidden;
}

.bio-card__photo {
  width: 100%;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: linear-gradient(135deg, #E2D9CE 0%, #CEC3B4 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.bio-card__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform 0.35s ease;
}

.bio-card:hover .bio-card__photo img {
  transform: scale(1.03);
}

.bio-card__photo-placeholder {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  opacity: 0.5;
}

.bio-card__body {
  padding: 1.5rem;
}

.bio-card__name {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.bio-card__role {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.9rem;
}

.bio-card__text {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.75;
}

/* ============================================================
   GALLERY PAGE
   ============================================================ */
.gallery-section {
  padding: 4rem 1.5rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.gallery-section + .gallery-section {
  border-top: 1px solid var(--border);
}

.album-header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.album-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
}

.album-count {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0.75rem;
}

.photo-item {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--surface);
  position: relative;
  cursor: pointer;
}

.photo-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.photo-item:hover img {
  transform: scale(1.03);
}

/* Placeholder tiles for gallery */
.photo-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #E8E2D9 0%, #D5CBBC 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  opacity: 0.5;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--text);
  color: var(--bg);
  padding: 2.5rem 1.5rem;
  margin-top: auto;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}

.footer__name {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  letter-spacing: 0.05em;
}

.footer__social {
  display: flex;
  gap: 1.25rem;
}

.social-icon {
  color: var(--accent-light);
  transition: color var(--transition);
  display: flex;
  align-items: center;
}

.social-icon:hover {
  color: #fff;
}

.footer__copy {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  /* Nav */
  .nav__toggle { display: flex; }

  .nav__links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 0.5rem 0 1rem;
  }

  .nav__links.is-open { display: flex; }

  .nav__links li a {
    display: block;
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
  }

  .nav__links a::after { display: none; }

  /* Hero */
  .hero__image { height: clamp(300px, 55vw, 420px); }

  .hero__content { padding-bottom: 1.75rem; }

  /* Bios */
  .bio-grid { grid-template-columns: 1fr; }

  /* Gallery */
  .photo-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
}

@media (max-width: 480px) {
  .photo-grid { grid-template-columns: repeat(2, 1fr); }
}