/*
 * ArtrIa Studio — Shared Design System
 * Current ArtrIa platform surface
 *
 * Usage: <link rel="stylesheet" href="https://app.artria-ai.com/shared.css">
 */

/* ── Google Fonts ──────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Jost:wght@400;500;600;700;800&family=Noto+Sans+JP:wght@400;500;700&display=swap');

/* ── Design Tokens ─────────────────────────────────────────────── */
:root {
  /* Colors */
  --artria-text:        #172033;
  --artria-text-muted:  #5f6d80;
  --artria-text-faint:  #8d9aab;
  --artria-page-bg:     #f6fbff;

  /* Gradient */
  --artria-grad: linear-gradient(135deg, #0f8fbf 0%, #15a6fb 100%);
  --artria-grad-hover: linear-gradient(135deg, #0b769e 0%, #0284c7 100%);

  /* Platform Surface — Card */
  --artria-card-bg:     rgba(255, 255, 255, 0.74);
  --artria-card-border: rgba(226, 232, 240, 0.84);
  --artria-card-shadow: 0 18px 44px rgba(15, 60, 92, 0.09), inset 0 1px 0 rgba(255, 255, 255, 0.92);

  /* Platform Surface — Card Light */
  --artria-card-light-bg:     rgba(255, 255, 255, 0.58);
  --artria-card-light-border: rgba(226, 232, 240, 0.72);
  --artria-card-light-shadow: 0 10px 30px rgba(15, 60, 92, 0.06);

  /* Layout */
  --artria-max-width:   900px;
  --artria-radius-card: 22px;
  --artria-radius-pill: 99px;
  --artria-gap-card: 20px;
  --artria-gap-inner: 16px;

  /* ── Typography Sizing ────────────────────────────────── */
  --artria-font-h1: clamp(44px, 9vw, 80px);
  --artria-font-h2: 24px;
  --artria-font-h3: 20px;
  --artria-font-p: 15px;
  --artria-font-small: 13px;
  --artria-font-xs: 12px;

  /* ── Spacing (Padding & Margin) ────────────────────── */
  --artria-space-xs: 8px;
  --artria-space-sm: 12px;
  --artria-space-md: 16px;
  --artria-space-lg: 24px;
  --artria-space-xl: 32px;
  --artria-space-2xl: 48px;
  --artria-space-3xl: 56px;
  --artria-space-4xl: 60px;

  /* ── Component Sizing ──────────────────────────────── */
  --artria-button-height-sm: 32px;
  --artria-button-height: 34px;
  --artria-button-height-lg: 40px;

  --artria-card-padding: var(--artria-space-xl) var(--artria-space-lg);
  --artria-card-padding-lg: var(--artria-space-xl) var(--artria-space-xl);

  --artria-border-radius-sm: 12px;
  --artria-border-radius: 22px;
  --artria-border-radius-lg: 28px;
  --artria-border-radius-pill: 99px;

  /* ── Layout Constraints ────────────────────────────── */
  --artria-max-width-compact: 520px;
  --artria-max-width-default: 860px;
  --artria-max-width-wide: 900px;
  --artria-max-width-full: 1060px;

  --artria-page-padding-h: 20px;
  --artria-page-padding-v: 32px;

  /* ── Hero Section ──────────────────────────────────── */
  --artria-hero-padding: var(--artria-space-4xl) var(--artria-page-padding-h) 80px;
  --artria-hero-gap: 56px;
  --artria-hero-title-gap: 14px;
}

/* ── Base ──────────────────────────────────────────────────────── */
body {
  margin: 0;
}

*, *::before, *::after {
  box-sizing: border-box;
}

/* ── Platform Chrome Brand ─────────────────────────────────────── */
.chrome-logo svg,
.chrome-logo__word {
  display: none !important;
}

.chrome-logo::before,
.chrome-logo::after {
  content: "";
  display: block;
  flex: 0 0 auto;
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
}

.chrome-logo::before {
  display: none !important;
}

.chrome-logo::after {
  width: 130px;
  height: 28px;
  background-image: url("https://app.artria-ai.com/assets/artria-studio-wordmark.png");
  transform-origin: left center;
}

.chrome-site-footer .chrome-logo::after {
  background-image: url("https://app.artria-ai.com/assets/artria-studio-wordmark.png");
}

@media (max-width: 640px) {
  .chrome-site-header .chrome-logo::after {
    display: block !important;
    width: 116px;
  }

  .chrome-site-header .chrome-current {
    display: none !important;
  }
}

/* ── Page ──────────────────────────────────────────────────────── */
.artria-page {
  min-height: 100vh;
  background: var(--artria-page-bg);
  font-family: 'Jost', 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', sans-serif;
  color: var(--artria-text);
  position: relative;
  padding: 32px 16px;
}

.artria-aurora,
.artria-aurora-wash {
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: var(--artria-aurora-opacity, 0.65);
  pointer-events: none;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 10% 6%, rgba(125, 211, 252, 0.32), transparent 42%),
    radial-gradient(ellipse at 82% 10%, rgba(21, 166, 251, 0.2), transparent 44%),
    radial-gradient(ellipse at 22% 82%, rgba(15, 143, 191, 0.14), transparent 46%),
    radial-gradient(ellipse at 82% 78%, rgba(196, 181, 253, 0.18), transparent 42%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.42), rgba(255, 255, 255, 0.7));
}

/* Compatibility only.
   New Apps UI must render the platform background through
   PlatformBackground / AppsPlatformShell / ToolShell, not blob nodes. */
.artria-aurora-blob {
  display: none;
}

.artria-aurora-blob--sky {
  top: -18%; left: -12%;
  width: 60vw; height: 60vw;
  background: rgba(125, 211, 252, 0.55);
  filter: blur(100px);
}

.artria-aurora-blob--lavender {
  top: 20%; right: -15%;
  width: 52vw; height: 52vw;
  background: rgba(196, 181, 253, 0.55);
  filter: blur(90px);
}

.artria-aurora-blob--mint {
  bottom: -12%; left: 10%;
  width: 55vw; height: 55vw;
  background: rgba(59, 130, 246, 0.22);
  filter: blur(95px);
}

.artria-aurora-blob--blush {
  bottom: 5%; right: 5%;
  width: 40vw; height: 40vw;
  background: rgba(147, 197, 253, 0.34);
  filter: blur(85px);
}

.artria-aurora-blob--yellow {
  top: 55%; left: 40%;
  width: 30vw; height: 30vw;
  background: rgba(196, 181, 253, 0.3);
  filter: blur(80px);
}

/* ── Range Input ───────────────────────────────────────────────── */
input[type='range'] {
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  border-radius: 99px;
  background: rgba(129, 140, 248, 0.2);
  outline: none;
}

input[type='range']::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, #818cf8, #38bdf8);
  cursor: pointer;
  box-shadow: 0 1px 6px rgba(129, 140, 248, 0.45);
}

input[type='range']::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, #818cf8, #38bdf8);
  cursor: pointer;
  border: none;
}

/* ── Container ─────────────────────────────────────────────────── */
.artria-container {
  max-width: var(--artria-max-width);
  margin: 0 auto;
  padding: 0 var(--artria-page-padding-h);
  position: relative;
  z-index: 1;
}

/* ── Back Link ─────────────────────────────────────────────────── */
/* 左寄せ・タイトルの上 */
.artria-back-link-wrap {
  margin-bottom: 20px;
  text-align: left;
}

.artria-back-link {
  background: var(--artria-card-light-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--artria-card-light-border);
  box-shadow: var(--artria-card-light-shadow);
  border-radius: var(--artria-radius-pill);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--artria-text-muted);
  text-decoration: none;
  transition: opacity 0.15s;
}

.artria-back-link:hover {
  opacity: 0.75;
}

/* ── Hero ──────────────────────────────────────────────────────── */
.artria-hero {
  text-align: center;
  margin-bottom: 36px;
}

/* アイコンボックス（タイトル上のグラデーションアイコン） */
.artria-icon-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
  background: var(--artria-grad);
  border-radius: 20px;
  margin-bottom: 16px;
  box-shadow: 0 8px 24px rgba(129, 140, 248, 0.35);
}

.artria-h1 {
  font-size: 42px;
  font-weight: 800;
  font-family: 'Jost', 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', sans-serif;
  letter-spacing: -0.5px;
  margin: 0 0 8px;
  background: var(--artria-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.artria-subtitle {
  font-size: 15px;
  font-weight: 500;
  color: var(--artria-text-muted);
  margin: 0;
}

/* ── Glassmorphism Cards ───────────────────────────────────────── */
.artria-card {
  background: var(--artria-card-bg);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border: 1px solid var(--artria-card-border);
  box-shadow: var(--artria-card-shadow);
  border-radius: var(--artria-radius-card);
}

.artria-card-light {
  background: var(--artria-card-light-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--artria-card-light-border);
  box-shadow: var(--artria-card-light-shadow);
  border-radius: var(--artria-radius-card);
}

/* ── Buttons ───────────────────────────────────────────────────── */
.artria-btn-primary {
  background: var(--artria-grad);
  color: white;
  border: none;
  border-radius: var(--artria-radius-pill);
  padding: 0 16px;
  height: 34px;
  font-size: 13px;
  font-weight: 600;
  font-family: 'Jost', 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', sans-serif;
  box-shadow: 0 2px 12px rgba(129, 140, 248, 0.35);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  transition: opacity 0.15s;
  text-decoration: none;
}

.artria-btn-primary:hover {
  opacity: 0.88;
}

.artria-btn-secondary {
  background: var(--artria-card-light-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--artria-card-light-border);
  box-shadow: var(--artria-card-light-shadow);
  color: var(--artria-text);
  border-radius: var(--artria-radius-pill);
  padding: 0 16px;
  height: 34px;
  font-size: 13px;
  font-weight: 600;
  font-family: 'Jost', 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', sans-serif;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  transition: opacity 0.15s;
}

.artria-btn-secondary:hover {
  opacity: 0.8;
}

/* ── Badge ─────────────────────────────────────────────────────── */
.artria-badge {
  font-size: 10px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--artria-radius-pill);
  background: rgba(129, 140, 248, 0.12);
  color: #6366f1;
  border: 1px solid rgba(129, 140, 248, 0.22);
}

/* ── Sidebar Layout（2カラムグリッド） ─────────────────────────── */
.artria-sidebar-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 20px;
  align-items: start;
}

@media (max-width: 768px) {
  .artria-sidebar-layout {
    grid-template-columns: 1fr;
  }
}

/* ── Drop Zone ─────────────────────────────────────────────────── */
/* 静的スタイルのみ。border/background/box-shadowは動的なのでinline styleで */
.artria-dropzone {
  width: 100%;
  border-radius: 28px;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  padding: 48px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
  cursor: pointer;
  transition: all .2s ease;
  position: relative;
}

.artria-dropzone-icon {
  font-size: 40px;
  margin-bottom: 8px;
}

/* ── Animations ────────────────────────────────────────────────── */
@keyframes artria-spin {
  to { transform: rotate(360deg); }
}

@keyframes artria-pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.5; }
}

@keyframes artria-fade-up {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.artria-spinner {
  width: 32px;
  height: 32px;
  border: 2.5px solid rgba(196, 181, 253, 0.25);
  border-top-color: #c4b5fd;
  border-radius: 50%;
  animation: artria-spin 0.8s linear infinite;
}

/* ════════════════════════════════════════════════
   Extended Utility Classes (design-unification)
   ════════════════════════════════════════════════ */

/* ── 1.1 テキストスタイル ── */
.artria-text-h1 { font-size: 28px; font-weight: 700; }
.artria-text-h2 { font-size: 22px; font-weight: 700; }
.artria-text-h3 { font-size: 20px; font-weight: 700; margin: 0; }
.artria-text-h4 { font-size: 18px; font-weight: 700; }
.artria-text-h5 { font-size: 14px; font-weight: 700; }
.artria-text-body { font-size: 14px; font-weight: 400; }
.artria-text-body-md { font-size: 13px; }
.artria-text-small { font-size: 12px; }
.artria-text-xs { font-size: 11px; }
.artria-text-caption { font-size: 10px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; }
.artria-text-caption-sm { font-size: 9px; font-weight: 800; }
.artria-text-muted { color: var(--artria-text-muted); }
.artria-text-faint { color: var(--artria-text-faint); }

/* ── 1.2 アイコンサイズ ── */
.artria-icon-48 { width: 48px; height: 48px; }
.artria-icon-40 { width: 40px; height: 40px; }
.artria-icon-32 { width: 32px; height: 32px; }
.artria-icon-28 { width: 28px; height: 28px; }
.artria-icon-24 { width: 24px; height: 24px; }
.artria-icon-22 { width: 22px; height: 22px; }
.artria-icon-20 { width: 20px; height: 20px; }
.artria-icon-18 { width: 18px; height: 18px; }
.artria-icon-16 { width: 16px; height: 16px; }
.artria-icon-14 { width: 14px; height: 14px; }
.artria-icon-13 { width: 13px; height: 13px; }
.artria-icon-12 { width: 12px; height: 12px; }

/* ── 1.3 ドロップゾーン ── */
.artria-dropzone-text { font-size: 20px; font-weight: 700; margin: 0; }
.artria-dropzone-hint { font-size: 13px; color: var(--artria-text-muted); margin-top: 4px; }
.artria-dropzone-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(129, 140, 248, 0.1);
  backdrop-filter: blur(2px); -webkit-backdrop-filter: blur(2px);
  border: 3px dashed rgba(129, 140, 248, 0.6);
  display: flex; align-items: center; justify-content: center;
  pointer-events: none;
}

/* ── Footer ── */
.artria-footer {
  margin-top: 48px;
  padding: 24px 0;
  text-align: center;
  font-size: 11px;
  font-weight: 500;
  color: var(--artria-text-faint);
  border-top: 1px solid rgba(176, 174, 212, 0.2);
  letter-spacing: 0.03em;
}

/* ── 1.4 バッジ・ラベル ── */
.artria-badge-info {
  font-size: 12px; font-weight: 700;
  padding: 3px 10px; border-radius: 99px;
  background: rgba(129, 140, 248, 0.12);
  color: #6366f1;
  border: 1px solid rgba(129, 140, 248, 0.22);
}
.artria-badge-info-small {
  font-size: 10px; font-weight: 600;
  padding: 2px 8px; border-radius: 99px;
  background: rgba(129, 140, 248, 0.1);
  color: #6366f1;
  border: 1px solid rgba(129, 140, 248, 0.2);
}
.artria-badge-info-light {
  font-size: 10px; font-weight: 600;
  padding: 2px 8px; border-radius: 99px;
  background: rgba(255, 255, 255, 0.6);
  color: var(--artria-text-muted);
  border: 1px solid rgba(255, 255, 255, 0.7);
}
.artria-badge-error {
  font-size: 10px; font-weight: 700;
  padding: 2px 7px; border-radius: 99px;
  background: rgba(254, 202, 202, 0.4);
  border: 1px solid rgba(252, 165, 165, 0.5);
}

/* ── 1.5 ボタン ── */
.artria-btn-inline {
  display: flex; align-items: center; gap: 6px;
  padding: 0 16px; height: 34px;
  border-radius: 99px;
  border: none; cursor: pointer;
  font-size: 13px; font-weight: 600;
  font-family: inherit; transition: opacity 0.15s;
}
.artria-btn-inline-primary {
  background: var(--artria-grad);
  color: white;
  box-shadow: 0 2px 12px rgba(129, 140, 248, 0.35);
}
.artria-btn-inline-primary:hover { opacity: 0.88; }
.artria-btn-inline-secondary {
  background: var(--artria-card-light-bg);
  color: var(--artria-text);
}
.artria-btn-inline-secondary:hover { opacity: 0.8; }

.artria-btn-small {
  display: flex; align-items: center; gap: 6px;
  padding: 0 14px; height: 32px;
  border-radius: 99px;
  border: none; cursor: pointer;
  font-size: 12px; font-weight: 600;
  font-family: inherit; transition: all 0.15s;
}
.artria-btn-small-primary {
  background: var(--artria-grad);
  color: white;
  box-shadow: 0 2px 10px rgba(129, 140, 248, 0.3);
}
.artria-btn-small-secondary {
  background: var(--artria-card-light-bg);
  color: var(--artria-text);
}

.artria-btn-tab {
  padding: 8px 20px; border-radius: 99px;
  border: none; cursor: pointer;
  font-size: 13px; font-weight: 600;
  font-family: inherit; transition: all 0.2s;
  background: transparent;
  color: var(--artria-text-muted);
}
.artria-btn-tab.active {
  background: var(--artria-grad);
  color: white;
  box-shadow: 0 2px 12px rgba(129, 140, 248, 0.3);
}
.artria-btn-tab-square { border-radius: 12px 12px 0 0; }

.artria-btn-cta {
  border-radius: 99px;
  border: none; cursor: pointer;
  font-size: 14px; font-weight: 600;
  font-family: inherit;
  background: var(--artria-grad);
  color: white;
  box-shadow: 0 4px 14px rgba(129, 140, 248, 0.28);
}
.artria-btn-danger {
  border-radius: 99px; border: none;
  padding: 0 24px; height: 38px;
  font-size: 14px; font-weight: 600;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.7);
  color: #dc2626;
  border: 1px solid rgba(220, 38, 38, 0.2);
}

/* ── 1.6 区切り線・レイアウト ── */
.artria-divider-h { height: 1px; background: rgba(129, 140, 248, 0.1); }
.artria-divider-v { width: 1px; background: rgba(129, 140, 248, 0.1); }
.artria-divider-subtle { border-top: 1px solid rgba(176, 174, 212, 0.2); }

.artria-flex-col { display: flex; flex-direction: column; }
.artria-flex-col-gap-6 { display: flex; flex-direction: column; gap: 6px; }
.artria-flex-col-gap-8 { display: flex; flex-direction: column; gap: 8px; }
.artria-flex-col-gap-10 { display: flex; flex-direction: column; gap: 10px; }
.artria-flex-col-gap-12 { display: flex; flex-direction: column; gap: 12px; }

.artria-flex-gap-6 { display: flex; gap: 6px; }
.artria-flex-gap-8 { display: flex; gap: 8px; }
.artria-flex-gap-12 { display: flex; gap: 12px; }

.artria-flex-center { display: flex; align-items: center; justify-content: center; }
.artria-flex-between { display: flex; justify-content: space-between; align-items: center; }

.artria-grid-auto { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 32px; }
.artria-grid-4col { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }

/* ── 1.7 オーバーレイ・モーダル・その他 ── */
.artria-overlay-dark {
  position: fixed; inset: 0; z-index: 60;
  background: rgba(45, 43, 85, 0.6);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.artria-overlay-loading {
  position: absolute; inset: 0;
  background: rgba(20, 15, 50, 0.65);
  display: flex; align-items: center; justify-content: center;
}

.artria-icon-box-grad {
  width: 28px; height: 28px;
  border-radius: 7px;
  background: var(--artria-grad);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.artria-icon-box-light {
  width: 28px; height: 28px;
  border-radius: 7px;
  background: rgba(176, 174, 212, 0.2);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.artria-icon-box-lg {
  width: 40px; height: 40px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.artria-icon-box-lg-light { background: rgba(176, 174, 212, 0.15); }
.artria-icon-box-lg-warn { background: rgba(254, 215, 170, 0.4); }

.artria-progress-bar-wrap {
  height: 5px; border-radius: 99px;
  overflow: hidden;
  background: rgba(129, 140, 248, 0.15);
}
.artria-progress-bar-fill {
  height: 100%; border-radius: 99px;
  background: var(--artria-grad);
  transition: width 0.3s ease-out;
}
.artria-progress-bar-wrap-lg {
  width: 100%; height: 8px;
  border-radius: 99px; overflow: hidden;
  background: rgba(129, 140, 248, 0.15);
}
.artria-spinner-lg {
  width: 48px; height: 48px;
  border: 3px solid rgba(196, 181, 253, 0.25);
  border-top-color: #c4b5fd;
  border-radius: 50%;
  animation: artria-spin 0.8s linear infinite;
}

/* ── PromptConverter 専用 ── */
.artria-textarea {
  width: 100%; padding: 14px 16px;
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.82);
  border-radius: 12px;
  color: var(--artria-text);
  font-size: 14px;
  font-family: inherit;
  resize: vertical;
  outline: none;
}
.artria-field-label {
  font-size: 12px; font-weight: 500;
  color: var(--artria-text-muted);
  position: absolute; top: -10px; left: 12px;
  background: rgba(235, 235, 255, 0.95);
  padding: 0 6px;
  border-radius: 4px;
}

/* ════════════════════════════════════════════════
   Sizing & Layout Helpers (Phase 1 - Design Unification)
   ════════════════════════════════════════════════ */

/* ── Container sizing variants ── */
.artria-container-compact {
  max-width: var(--artria-max-width-compact);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.artria-container-wide {
  max-width: var(--artria-max-width-wide);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.artria-container-full {
  max-width: var(--artria-max-width-full);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* ── Card padding ── */
.artria-card-padding {
  padding: var(--artria-card-padding);
}

.artria-card-padding-lg {
  padding: var(--artria-card-padding-lg);
}

/* ── Button sizing ── */
.artria-btn {
  height: var(--artria-button-height);
  border-radius: var(--artria-border-radius-pill);
  padding: 0 16px;
  font-size: var(--artria-font-small);
  font-weight: 600;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.artria-btn-sm {
  height: var(--artria-button-height-sm);
  padding: 0 14px;
  font-size: 12px;
}

.artria-btn-lg {
  height: var(--artria-button-height-lg);
  padding: 0 24px;
  font-size: 14px;
}

/* ── Hero section ── */
.artria-hero-full {
  padding: var(--artria-hero-padding);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--artria-hero-gap);
}

.artria-hero-title {
  font-size: var(--artria-font-h1);
  font-weight: 800;
  letter-spacing: -0.04em;
  gap: var(--artria-hero-title-gap);
}