/*
Theme Name: FanSong Studio
Theme URI: https://song-ai.ltd/
Author: FanSong Studio LLC
Author URI: https://song-ai.ltd/
Description: Lightweight company website theme for FanSong Studio LLC.
Version: 1.0.0
Requires at least: 6.4
Tested up to: 6.6
Requires PHP: 8.1
License: GPL-2.0-or-later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: fansong-studio
*/

:root {
  --fs-bg: #f7f8fa;
  --fs-surface: #ffffff;
  --fs-text: #111827;
  --fs-muted: #4b5563;
  --fs-soft: #eef2f7;
  --fs-border: #dadde3;
  --fs-accent: #2563eb;
  --fs-accent-dark: #1d4ed8;
  --fs-teal: #0f766e;
  --fs-shadow: 0 18px 48px rgba(17, 24, 39, 0.08);
  --fs-radius: 8px;
  --fs-width: 1120px;
  --fs-readable: 780px;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  background: #f7f8fa;
  min-height: 100%;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 18% 12%, rgba(37, 99, 235, 0.08), transparent 28%),
    radial-gradient(circle at 82% 18%, rgba(15, 118, 110, 0.08), transparent 30%),
    linear-gradient(180deg, #f8fafc 0%, var(--fs-bg) 44%, #f3f6fb 100%);
  color: var(--fs-text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.65;
  min-height: 100%;
  overflow-x: hidden;
}

a {
  color: var(--fs-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover,
a:focus {
  color: var(--fs-accent-dark);
}

img {
  display: block;
  height: auto;
  max-width: 100%;
}

.screen-reader-text,
.skip-link {
  clip: rect(1px, 1px, 1px, 1px);
  height: 1px;
  overflow: hidden;
  position: absolute;
  width: 1px;
}

.skip-link:focus {
  clip: auto;
  background: var(--fs-text);
  border-radius: 0 0 6px 0;
  color: #ffffff;
  height: auto;
  left: 0;
  padding: 10px 14px;
  top: 0;
  width: auto;
  z-index: 1000;
}

.ambient-field {
  height: 100%;
  inset: 0;
  pointer-events: none;
  position: fixed;
  width: 100%;
  z-index: 0;
}

.site-header,
.site-main,
.site-footer {
  position: relative;
  z-index: 1;
}

.site-header {
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--fs-border);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
}

.site-header__inner {
  align-items: center;
  display: flex;
  gap: 28px;
  justify-content: space-between;
  margin: 0 auto;
  max-width: var(--fs-width);
  min-height: 72px;
  padding: 0 24px;
}

.site-branding {
  align-items: center;
  color: var(--fs-text);
  display: inline-flex;
  font-size: 18px;
  font-weight: 750;
  gap: 10px;
  text-decoration: none;
  white-space: nowrap;
}

.site-branding__mark {
  align-items: center;
  background: linear-gradient(135deg, var(--fs-accent), var(--fs-teal));
  border-radius: 7px;
  color: #ffffff;
  display: inline-flex;
  font-size: 13px;
  font-weight: 800;
  height: 34px;
  justify-content: center;
  width: 34px;
}

.site-navigation ul {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: flex-end;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-navigation a {
  border-radius: 6px;
  color: var(--fs-muted);
  display: inline-flex;
  font-size: 15px;
  font-weight: 650;
  line-height: 1;
  padding: 10px 12px;
  text-decoration: none;
}

.site-navigation a:hover,
.site-navigation a:focus,
.site-navigation .current-menu-item > a {
  background: var(--fs-soft);
  color: var(--fs-text);
}

.site-main {
  min-height: calc(100vh - 72px);
}

.page-shell {
  margin: 0 auto;
  max-width: var(--fs-width);
  padding: 64px 24px 88px;
}

.page-shell--readable {
  max-width: var(--fs-readable);
}

.page-title {
  font-size: clamp(34px, 5vw, 56px);
  letter-spacing: 0;
  line-height: 1.05;
  margin: 0 0 28px;
}

.entry-content > * {
  margin-left: auto;
  margin-right: auto;
  max-width: var(--fs-readable);
}

.entry-content > .alignwide,
.entry-content > .wp-block-group.alignwide,
.entry-content > .wp-block-columns.alignwide {
  max-width: var(--fs-width);
}

.entry-content > .alignfull {
  max-width: none;
}

.entry-content h1,
.entry-content h2,
.entry-content h3 {
  letter-spacing: 0;
  line-height: 1.12;
}

.entry-content h1 {
  font-size: clamp(42px, 7vw, 76px);
  margin-bottom: 22px;
}

.entry-content h2 {
  font-size: clamp(28px, 4vw, 42px);
  margin-bottom: 14px;
  margin-top: 58px;
}

.entry-content h3 {
  font-size: 22px;
  margin-bottom: 8px;
  margin-top: 0;
}

.entry-content p,
.entry-content li {
  color: var(--fs-muted);
}

.entry-content strong {
  color: var(--fs-text);
}

.entry-content ul {
  padding-left: 1.2em;
}

.entry-content .hero {
  padding-bottom: 44px;
  padding-top: 44px;
}

.entry-content .hero p {
  font-size: clamp(19px, 2vw, 24px);
  max-width: 760px;
}

.wp-block-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.wp-block-button__link,
.button-link {
  align-items: center;
  background: var(--fs-accent);
  border-radius: 7px;
  color: #ffffff;
  display: inline-flex;
  font-size: 15px;
  font-weight: 750;
  justify-content: center;
  line-height: 1.2;
  min-height: 44px;
  padding: 12px 17px;
  text-decoration: none;
}

.wp-block-button__link:hover,
.wp-block-button__link:focus,
.button-link:hover,
.button-link:focus {
  background: var(--fs-accent-dark);
  color: #ffffff;
}

.is-style-outline > .wp-block-button__link,
.wp-block-button.is-style-outline .wp-block-button__link {
  background: transparent;
  border: 1px solid var(--fs-border);
  color: var(--fs-text);
}

.is-style-outline > .wp-block-button__link:hover,
.is-style-outline > .wp-block-button__link:focus,
.wp-block-button.is-style-outline .wp-block-button__link:hover,
.wp-block-button.is-style-outline .wp-block-button__link:focus {
  background: var(--fs-soft);
  color: var(--fs-text);
}

.product-grid,
.wp-block-columns.product-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.product-card,
.wp-block-group.product-card {
  background: var(--fs-surface);
  border: 1px solid var(--fs-border);
  border-radius: var(--fs-radius);
  box-shadow: 0 8px 24px rgba(17, 24, 39, 0.04);
  padding: 24px;
}

.product-card .wp-block-image,
.product-icon-image {
  margin: 0 0 18px;
}

.product-card .product-icon-image img,
.product-icon-image img {
  border-radius: 16px;
  box-shadow: 0 10px 24px rgba(17, 24, 39, 0.12);
  height: 72px;
  object-fit: cover;
  width: 72px;
}

.product-card h2,
.product-card h3 {
  margin-top: 0;
}

.product-card p:last-child {
  margin-bottom: 0;
}

.status-note,
.wp-block-group.status-note {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: var(--fs-radius);
  color: #1e3a8a;
  padding: 18px 20px;
}

.status-note p {
  color: #1e3a8a;
  margin: 0;
}

.info-band,
.wp-block-group.info-band {
  background: var(--fs-surface);
  border: 1px solid var(--fs-border);
  border-radius: var(--fs-radius);
  box-shadow: var(--fs-shadow);
  padding: 28px;
}

.policy-meta,
.wp-block-group.policy-meta {
  border-left: 4px solid var(--fs-accent);
  color: var(--fs-muted);
  padding-left: 16px;
}

.site-footer {
  background: #111827;
  color: #d1d5db;
}

.site-footer__inner {
  display: grid;
  gap: 28px;
  grid-template-columns: minmax(0, 1.5fr) minmax(220px, 0.6fr);
  margin: 0 auto;
  max-width: var(--fs-width);
  padding: 38px 24px;
}

.site-footer strong {
  color: #ffffff;
}

.site-footer p {
  margin: 0 0 10px;
}

.site-footer a {
  color: #dbeafe;
}

.footer-menu {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  justify-content: flex-start;
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-menu a {
  text-decoration: none;
}

.footer-menu a:hover,
.footer-menu a:focus {
  text-decoration: underline;
}

@media (max-width: 780px) {
  body {
    font-size: 16px;
  }

  .site-header__inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
    padding-bottom: 14px;
    padding-top: 14px;
  }

  .site-navigation ul {
    justify-content: flex-start;
  }

  .page-shell {
    padding-bottom: 64px;
    padding-top: 44px;
  }

  .product-grid,
  .wp-block-columns.product-grid {
    grid-template-columns: 1fr;
  }

  .site-footer__inner {
    grid-template-columns: 1fr;
  }
}