/* assets/css/style.css - Tama Art University Inspired Minimalist Design for SMAN 3 Marangkayu */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Zen+Kaku+Gothic+Antique:wght@400;500;700&display=swap');

:root {
  --color-black: #000000;
  --color-white: #ffffff;
  --color-dark-gray: #1a1a1a;
  --color-mid-gray: #71717a;
  --color-light-gray: #f4f4f5;
  --color-border: #e4e4e7;
  --font-primary: 'Zen Kaku Gothic Antique', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  font-family: var(--font-primary);
  background-color: var(--color-white);
  color: var(--color-black);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

a:hover {
  opacity: 0.8;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.stack-60 { display: flex; flex-direction: column; gap: 60px; }
.stack-40 { display: flex; flex-direction: column; gap: 40px; }
.stack-30 { display: flex; flex-direction: column; gap: 30px; }
.stack-20 { display: flex; flex-direction: column; gap: 20px; }

/* Header & Navigation */
.header-wrap {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-normal);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-logo svg {
  height: 36px;
  width: auto;
}

.brand-title {
  font-size: 1.15rem;
  line-height: 1.2;
  text-transform: uppercase;
}

.brand-subtitle {
  font-size: 0.72rem;
  color: var(--color-mid-gray);
  letter-spacing: 0.1em;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.icon-btn-round {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--color-black);
  background: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.icon-btn-round:hover {
  background: var(--color-black);
  color: var(--color-white);
  transform: scale(1.05);
}

.icon-btn-round svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.pill-btn {
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid var(--color-black);
  font-size: 0.875rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition-fast);
}

.pill-btn:hover {
  background: var(--color-black);
  color: var(--color-white);
}

.pill-btn-solid {
  background: var(--color-black);
  color: var(--color-white);
}

.pill-btn-solid:hover {
  background: var(--color-dark-gray);
}

/* Hero Section */
.hero-section {
  position: relative;
  padding-top: 110px;
  padding-bottom: 60px;
  border-bottom: 1px solid var(--color-border);
}

.hero-slider-wrap {
  position: relative;
  width: 100%;
  height: 480px;
  border-radius: 4px;
  overflow: hidden;
  background: var(--color-dark-gray);
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease-in-out;
}

.hero-slide.active {
  opacity: 1;
}

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

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.75) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 40px;
  color: var(--color-white);
}

.hero-badge {
  display: inline-block;
  padding: 4px 12px;
  border: 1px solid var(--color-white);
  border-radius: 2px;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
  width: fit-content;
  text-transform: uppercase;
}

.hero-title {
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1.25;
  max-width: 900px;
  margin-bottom: 12px;
}

.hero-meta {
  font-size: 0.9rem;
  opacity: 0.85;
}

.hero-slogan-block {
  margin-top: 50px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  padding: 40px;
  background: var(--color-light-gray);
  border-left: 4px solid var(--color-black);
}

.slogan-title-en {
  font-size: 0.875rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-mid-gray);
}

.slogan-title-ja {
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1.2;
}

.slogan-desc {
  font-size: 1rem;
  color: #333;
  line-height: 1.7;
}

/* Framed Buttons (Tama Art Style Grid Cards) */
.framed-btn-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.framed-btn {
  border: 1px solid var(--color-black);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 180px;
  transition: all var(--transition-fast);
  background: var(--color-white);
  position: relative;
}

.framed-btn:hover {
  background: var(--color-black);
  color: var(--color-white);
  transform: translateY(-3px);
}

.framed-btn:hover .framed-btn-arrow {
  background: var(--color-white);
  color: var(--color-black);
  transform: translateX(4px);
}

.framed-btn-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.framed-btn-desc {
  font-size: 0.875rem;
  color: var(--color-mid-gray);
}

.framed-btn:hover .framed-btn-desc {
  color: rgba(255, 255, 255, 0.8);
}

.framed-btn-bottom {
  display: flex;
  justify-content: flex-end;
  margin-top: 20px;
}

.framed-btn-arrow {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid currentColor;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

/* Category Filter Bar */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

.filter-chip {
  padding: 6px 16px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  font-size: 0.875rem;
  font-weight: 500;
  background: var(--color-white);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-chip.active, .filter-chip:hover {
  border-color: var(--color-black);
  background: var(--color-black);
  color: var(--color-white);
}

/* Section Headings */
.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--color-black);
}

.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.section-subtitle {
  font-size: 0.875rem;
  color: var(--color-mid-gray);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Article Cards Grid */
.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 32px;
}

.article-card {
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  transition: all var(--transition-normal);
  overflow: hidden;
}

.article-card:hover {
  border-color: var(--color-black);
  box-shadow: 0 12px 32px rgba(0,0,0,0.06);
  transform: translateY(-4px);
}

.card-img-wrap {
  width: 100%;
  height: 220px;
  overflow: hidden;
  position: relative;
  background: var(--color-light-gray);
}

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

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

.card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-cat {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-mid-gray);
  margin-bottom: 8px;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 12px;
  color: var(--color-black);
}

.card-excerpt {
  font-size: 0.9rem;
  color: #4b5563;
  margin-bottom: 20px;
  line-height: 1.6;
  flex-grow: 1;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--color-mid-gray);
  border-top: 1px solid var(--color-light-gray);
  padding-top: 12px;
}

/* Detail Article View */
.article-detail-wrap {
  padding-top: 120px;
  padding-bottom: 80px;
  max-width: 900px;
  margin: 0 auto;
}

.article-header {
  margin-bottom: 40px;
}

.article-cat-badge {
  display: inline-block;
  padding: 4px 12px;
  background: var(--color-black);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.article-detail-title {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 20px;
}

.article-detail-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 0.9rem;
  color: var(--color-mid-gray);
  border-y: 1px solid var(--color-border);
  padding: 16px 0;
  margin-bottom: 30px;
}

.featured-img-wrap {
  width: 100%;
  max-height: 480px;
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 40px;
}

.featured-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-content {
  font-size: 1.125rem;
  line-height: 1.85;
  color: #1f2937;
  margin-bottom: 60px;
}

.doc-download-card {
  padding: 24px;
  border: 1px solid var(--color-black);
  background: var(--color-light-gray);
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
}

/* Comments Section */
.comments-wrap {
  border-top: 2px solid var(--color-black);
  padding-top: 40px;
}

.comment-card {
  padding: 20px;
  border: 1px solid var(--color-border);
  margin-bottom: 16px;
  background: var(--color-white);
}

.comment-author {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.comment-date {
  font-size: 0.75rem;
  color: var(--color-mid-gray);
  margin-bottom: 10px;
}

/* Forms & Admin Panel */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.form-label {
  font-weight: 600;
  font-size: 0.875rem;
}

.form-input, .form-textarea, .form-select {
  padding: 12px 16px;
  border: 1px solid var(--color-black);
  font-family: inherit;
  font-size: 1rem;
  background: var(--color-white);
  border-radius: 2px;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: 2px solid var(--color-black);
}

.btn-black {
  background: var(--color-black);
  color: var(--color-white);
  padding: 12px 24px;
  border: 1px solid var(--color-black);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-black:hover {
  background: var(--color-dark-gray);
}

/* Footer */
.footer {
  background: var(--color-black);
  color: var(--color-white);
  padding: 60px 0 30px 0;
  margin-top: 100px;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 30px;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.6);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  padding: 14px 24px;
  background: var(--color-black);
  color: var(--color-white);
  border-left: 4px solid #10b981;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 10px 25px rgba(0,0,0,0.2);
  animation: slideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  z-index: 999;
  display: none;
  align-items: center;
  justify-content: center;
}

.modal-overlay.active {
  display: flex;
}

.modal-card {
  background: var(--color-white);
  border: 2px solid var(--color-black);
  padding: 32px;
  width: 90%;
  max-width: 480px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.2);
  position: relative;
}

.form-row-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

/* Mobile Category Select & About Grid */
.filter-select-mobile {
  display: none;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-img-mobile {
  display: none;
}

@media (max-width: 768px) {
  .brand-subtitle { display: none; }
  .nav-actions { display: none; }
  .hero-slogan-block { grid-template-columns: 1fr; gap: 20px; padding: 24px; }
  .hero-title { font-size: 1.6rem; }
  .filter-bar { display: none; }
  .filter-select-mobile { display: block; width: 100%; padding: 12px 16px; border: 1px solid var(--color-black); font-size: 1rem; font-weight: 600; background: #fff; border-radius: 2px; margin-bottom: 20px; }
  .about-grid { grid-template-columns: 1fr; gap: 20px; }
  .about-img-desktop { display: none; }
  .about-img-mobile { display: block; margin: 16px 0; border: 2px solid var(--color-black); padding: 8px; background: #fff; }
  .about-img-mobile img { width: 100%; height: 240px; object-fit: cover; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; justify-content: center; text-align: center; gap: 8px; }
  .footer-credit { display: none; }
  .article-detail-title { font-size: 1.8rem; }
  .article-detail-meta { flex-direction: column; align-items: flex-start; gap: 6px; }
  .article-detail-meta .meta-dot { display: none; }
  .form-row-2col { grid-template-columns: 1fr; gap: 0; }
}