/* ===========================
   Gosmooth - Main Stylesheet
   =========================== */

/* --- CSS RESET & ROOT VARIABLES --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --color-gold:        #EEB21B;
  --color-gold-dark:   #D49A10;
  --color-gold-light:  #FFE8AB;
  --color-dark:        #2A2A2A;
  --color-dark-80:     rgba(42,42,42,0.80);
  --color-dark-92:     rgba(16,16,16,0.92);
  --color-white:       #FFFFFF;
  --color-text:        #1A1A1A;
  --color-text-muted:  #555555;
  --color-bg-light:    #F5F5F5;

  --font-sans:   "Noto Sans TC", sans-serif;
  --font-serif:  "Noto Serif TC", serif;

  --site-header-height: 86px;

  --transition: 0.25s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 16px;
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.7;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }

/* ===========================
   SITE HEADER
   =========================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: var(--color-dark-80);
  backdrop-filter: blur(10px);
  border-bottom: 3px solid var(--color-gold);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 13px 30px;
  min-height: 86px;
  max-width: 1200px;
  margin: 0 auto;
}

/* Logo */
.header-logo {
  flex-shrink: 0;
}
.header-logo img {
  width: 185px;
  height: auto;
}

/* Primary Navigation */
.site-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}
.nav-list {
  display: flex;
  list-style: none;
  gap: 0;
  align-items: center;
}
.nav-list > li > a {
  display: block;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 400;
  color: var(--color-white);
  padding: 14px 10px;
  transition: color var(--transition);
  white-space: nowrap;
}
.nav-list > li > a:hover {
  color: var(--color-gold);
}
.nav-list > li > a.is-active {
  color: var(--color-gold);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

/* Shared golden button style */
.btn-quote,
.directory-toggle,
.header-search-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: 3px;
  border: none;
  background: linear-gradient(190deg, #FFE8AB 0%, #FFB000 100%);
  color: var(--color-dark);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 700;
  box-shadow: 2.5px 3.5px 0 2px rgba(0,0,0,0.5);
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
}

.btn-quote:hover,
.directory-toggle:hover,
.header-search-toggle:hover {
  background: linear-gradient(180deg, #50D262 0%, #428D4C 100%);
  color: var(--color-white);
  transform: translateY(-1px);
}

/* Magnifier icon for search */
.search-icon {
  display: block;
  width: 22px;
  height: 22px;
  stroke: currentColor;
  stroke-width: 2.5;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Hamburger Toggle (mobile) */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  padding: 8px;
  background: none;
  border: none;
}
.mobile-menu-toggle span {
  display: block;
  width: 28px;
  height: 4px;
  background: var(--color-white);
  border-radius: 2px;
  transition: background var(--transition);
}
.mobile-menu-toggle:hover span {
  background: var(--color-gold);
}

/* --- Directory Panel (Shared base) --- */
.site-directory-panel {
  display: block;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 950;
  background: rgba(17,17,17,0.98);
  color: var(--color-white);
  border-top: 1px solid rgba(238,178,27,0.35);
  border-bottom: 3px solid var(--color-gold);
  box-shadow: 0 18px 40px rgba(0,0,0,0.35);
  backdrop-filter: blur(10px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-10px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
}

body.is-directory-open .site-directory-panel,
body.is-directory-hover .site-directory-panel {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

/* --- Search Panel --- */
.header-search-panel {
  display: block;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 940;
  background: linear-gradient(180deg, #f3c51a 0%, #e7ad00 100%);
  padding: 12px 30px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
  box-shadow: 0 12px 28px rgba(0,0,0,0.22);
  border-bottom: 3px solid #d49a10;
}

body.is-search-open .header-search-panel {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.header-search-form {
  width: min(1088px, 100%);
  margin: 0 auto;
  display: flex;
  align-items: stretch;
  height: 64px;
}

.header-search-form input[type="search"] {
  flex: 1 1 auto;
  width: 100%;
  height: 64px;
  min-height: 64px;
  border: none;
  outline: none;
  background: #ffffff;
  color: #333333;
  font-size: 16px;
  line-height: 64px;
  padding: 0 24px;
  border-radius: 3px 0 0 3px;
  box-shadow: none;
  font-family: var(--font-sans);
}

.header-search-form input[type="search"]::placeholder {
  color: #777777;
}

.header-search-form > button[type="submit"] {
  flex: 0 0 72px;
  width: 72px;
  min-width: 72px;
  max-width: 72px;
  height: 64px;
  min-height: 64px;
  max-height: 64px;
  padding: 0;
  border: none;
  outline: none;
  background: #222222;
  color: #EEB21B;
  border-radius: 0 3px 3px 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: none;
  transition: background var(--transition);
}

.header-search-form > button[type="submit"]:hover {
  background: #111111;
  color: #EEB21B;
}

.header-search-form > button[type="submit"] .search-icon {
  width: 26px;
  height: 26px;
  display: block;
  margin: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.mega-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr 0.8fr;
  gap: 28px;
  padding: 22px 30px;
  max-width: 1200px;
  margin: 0 auto;
}
.mega-block h3 {
  font-size: 16px;
  color: var(--color-gold);
  margin: 0 0 10px;
  font-weight: 700;
}
.link-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
}
.link-cloud a {
  font-size: 14px;
  color: #eee;
  padding: 4px 0;
  transition: color var(--transition);
}
.link-cloud a:hover {
  color: var(--color-gold);
}

/* ===========================
   DESKTOP HEADER LAYOUT (≥769px)
   =========================== */

@media (min-width: 769px) {
  .header-inner {
    display: grid;
    grid-template-columns: clamp(180px, 11.5vw, 210px) minmax(0, 1fr) auto;
    align-items: center;
    gap: clamp(14px, 2vw, 36px);
    padding: 13px clamp(18px, 3vw, 40px);
    min-height: 86px;
    max-width: 1440px;
    margin: 0 auto;
    width: 100%;
  }

  .header-logo {
    justify-self: start;
    flex: 0 0 auto;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    width: clamp(180px, 11.5vw, 210px);
    min-width: 180px;
    max-width: 210px;
  }

  .header-logo img {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    height: auto;
    display: block;
    flex-shrink: 0;
  }

  .site-nav {
    justify-self: center;
    min-width: 0;
    flex: none;
    display: flex;
    justify-content: center;
  }

  .header-actions {
    justify-self: end;
    flex-shrink: 0;
    gap: clamp(10px, 1vw, 18px);
  }

  .site-nav .nav-list > li > a {
    font-size: 16px;
    font-weight: 400;
    letter-spacing: 0.01em;
    line-height: 1.4;
    padding: 14px clamp(4px, 0.6vw, 10px);
    white-space: nowrap;
  }

  .site-nav .nav-list {
    gap: 20px;
  }

  .btn-quote,
  .directory-toggle,
  .header-search-toggle {
    min-height: clamp(40px, 5vh, 44px);
    padding: 8px clamp(10px, 1vw, 18px);
    font-size: clamp(13px, 0.85vw, 15px);
  }

  /* Nav active/hover underline */
  .site-nav .nav-list > li > a {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding-bottom: 6px;
    padding-left: 4px;
    padding-right: 4px;
  }

  .site-nav .nav-list > li > a.is-active {
    color: #EEB21B;
  }

  .site-nav .nav-list > li > a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 2px;
    background: #EEB21B;
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 0.18s ease;
  }

  .site-nav .nav-list > li > a:hover {
    color: #EEB21B;
  }

  .site-nav .nav-list > li > a:hover::after {
    transform: scaleX(1);
  }

  .site-nav .nav-list > li > a.is-active::after {
    transform: scaleX(0);
  }

  .site-nav .nav-list > li > a.is-active:hover::after {
    transform: scaleX(1);
  }
}

/* ===========================
   RESPONSIVE — Tablet & Mobile
   =========================== */

@media (max-width: 1024px) {

  /* Show hamburger, hide desktop nav */
  .mobile-menu-toggle {
    display: flex;
  }

  .site-nav {
    display: none;
  }

  /* Mobile directory panel — fixed overlay via opacity */
  .site-directory-panel {
    display: block !important;
    position: fixed;
    top: var(--site-header-height);
    left: 0;
    right: 0;
    z-index: 998;
    background: #111111;
    max-height: calc(100vh - var(--site-header-height));
    overflow-y: auto;
    padding: 20px 24px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
  }

  /* Mobile nav as fixed overlay */
  body.is-mobile-menu-open .site-nav {
    display: flex;
    position: fixed;
    top: var(--site-header-height);
    left: 0;
    right: 0;
    background: #111111;
    z-index: 999;
    flex-direction: column;
    align-items: center;
    padding: 20px 24px;
    max-height: calc(100vh - var(--site-header-height));
    overflow-y: auto;
  }

  body.is-mobile-menu-open {
    overflow: hidden;
  }

  body.is-mobile-menu-open .site-nav .nav-list {
    flex-direction: column;
    width: 100%;
  }

  body.is-mobile-menu-open .site-nav .nav-list > li {
    width: 100%;
  }

  body.is-mobile-menu-open .site-nav .nav-list > li > a {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 14px 30px;
    font-size: 16px;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.10);
  }

  /* Show directory panel */
  body.is-directory-open .site-directory-panel {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  body.is-directory-open {
    overflow: hidden;
  }

  /* Compact mobile directory layout (override desktop mega-grid) */
  body.is-directory-open .site-directory-panel .mega-grid {
    display: flex;
    flex-direction: column;
    gap: 22px;
    max-width: 100%;
    margin: 0;
    padding: 0;
  }

  body.is-directory-open .site-directory-panel .mega-block {
    margin: 0;
  }

  body.is-directory-open .site-directory-panel .mega-block h3 {
    font-size: 18px;
    color: #EEB21B;
    margin: 0 0 12px;
  }

  body.is-directory-open .site-directory-panel .link-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 26px;
  }

  body.is-directory-open .site-directory-panel .link-cloud a {
    min-height: auto;
    padding: 2px 0;
    font-size: 16px;
    line-height: 1.8;
    color: #eeeeee;
    display: inline;
    transition: color var(--transition);
  }

  body.is-directory-open .site-directory-panel .link-cloud a:hover,
  body.is-directory-open .site-directory-panel .link-cloud a:active {
    color: var(--color-gold);
  }

  .mega-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    padding: 16px 30px;
  }
}

@media (max-width: 640px) {
  .header-inner {
    padding: 13px 16px;
    min-height: 72px;
  }
  .header-logo img {
    width: 150px;
  }
  .btn-quote,
  .directory-toggle,
  .header-search-toggle {
    font-size: 13px;
    padding: 8px 12px;
    min-height: 40px;
  }

  body.is-mobile-menu-open .site-nav {
    top: var(--site-header-height);
    max-height: calc(100vh - var(--site-header-height));
  }

  body.is-directory-open .site-directory-panel {
    top: var(--site-header-height);
    max-height: calc(100vh - var(--site-header-height));
  }

  .mega-grid {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 16px;
  }
  body {
    overflow-x: hidden;
  }

}

/* ===========================
   RESPONSIVE — Mobile Header Grid (≤768px)
   =========================== */

@media (max-width: 768px) {
  .header-inner {
    display: grid;
    grid-template-columns: 1fr auto auto;
    grid-template-areas:
      "logo . menu"
      "quote search directory";
    align-items: center;
    gap: 10px 12px;
    padding: 12px 16px;
    width: 100%;
  }

  .header-logo {
    grid-area: logo;
    justify-self: start;
  }

  .header-actions {
    display: contents;
  }

  .mobile-menu-toggle {
    grid-area: menu;
    justify-self: end;
  }

  .btn-quote {
    grid-area: quote;
    justify-self: start;
  }

  .header-search-toggle {
    grid-area: search;
    justify-self: end;
    margin-right: 0;
  }

  .directory-toggle {
    grid-area: directory;
    justify-self: end;
  }

  /* Mobile button sizing */
  .btn-quote,
  .directory-toggle {
    min-height: 42px;
    padding: 8px 16px;
    font-size: 14px;
  }

  .header-search-toggle,
  .mobile-menu-toggle {
    min-width: 44px;
    min-height: 44px;
  }

  .header-logo img {
    max-width: 170px;
  }

  /* Directory panel — tighter padding on mobile */
  .site-directory-panel {
    padding: 18px 22px 22px;
  }
}

/* ===========================
   FLOATING SIDEBAR
   =========================== */

.floating-sidebar {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 700;
  display: flex;
  flex-direction: column;
  background: #2b2b2b;
  border: 1px solid rgba(238,178,27,0.35);
  border-right: 0;
  border-radius: 8px 0 0 8px;
  overflow: hidden;
}

.floating-sidebar__item {
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  border-bottom: none;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: background var(--transition), color var(--transition);
}

.floating-sidebar__item:hover {
  background: var(--color-gold);
  color: #111111;
}

.floating-sidebar__item:last-child {
  border-bottom: 0;
}

@media (max-width: 768px) {
  .floating-sidebar {
    display: none;
  }
}

/* ===========================
   SITE FOOTER
   =========================== */

.site-footer {
  background: #242424;
  color: #cfcfcf;
  border-top: 3px solid var(--color-gold);
  padding-top: 56px;
}

.site-footer__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 30px 48px;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 70px;
}

.footer-logo img {
  width: 220px;
  height: auto;
  margin-bottom: 26px;
}

.site-footer h3 {
  color: #ffffff;
  font-size: 18px;
  margin-bottom: 22px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255,255,255,0.16);
}

.site-footer__about p {
  font-size: 15px;
  line-height: 1.9;
  margin-bottom: 10px;
}

.site-footer ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.site-footer a {
  color: #cfcfcf;
  font-size: 15px;
  line-height: 1.9;
  transition: color var(--transition);
}

.site-footer a:hover {
  color: var(--color-gold);
}

/* Footer Subscribe */
.footer-subscribe {
  margin-top: 28px;
}

.footer-subscribe label {
  display: block;
  margin-bottom: 10px;
  color: #ffffff;
  font-weight: 600;
}

.footer-subscribe__row {
  display: flex;
}

.footer-subscribe__row input {
  flex: 1;
  min-height: 44px;
  background: #3a3a3a;
  border: 1px solid rgba(255,255,255,0.16);
  color: #ffffff;
  padding: 0 14px;
  font-family: var(--font-sans);
  font-size: 14px;
}

.footer-subscribe__row input::placeholder {
  color: rgba(255,255,255,0.4);
}

.footer-subscribe__row button {
  min-height: 44px;
  background: #2d7df0;
  color: #ffffff;
  border: 0;
  padding: 0 22px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--transition);
}

.footer-subscribe__row button:hover {
  background: #1a6ae0;
}

/* Footer Bottom */
.site-footer__bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 22px 30px;
  border-top: 1px solid rgba(255,255,255,0.12);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 14px;
  color: #999;
}

.site-footer__bottom p {
  color: #999;
  font-size: 14px;
}

.site-footer__bottom-nav {
  display: flex;
  gap: 24px;
}

.site-footer__bottom-nav a {
  font-size: 14px;
  color: #999;
}

.site-footer__bottom-nav a:hover {
  color: var(--color-gold);
}

@media (max-width: 768px) {
  /* Search form mobile */
  .header-search-panel {
    padding: 10px 14px;
  }

  .header-search-form {
    height: 54px;
    width: 100%;
  }

  .header-search-form input[type="search"] {
    height: 54px;
    min-height: 54px;
    line-height: 54px;
    padding: 0 14px;
    font-size: 14px;
  }

  .header-search-form > button[type="submit"] {
    flex: 0 0 58px;
    width: 58px;
    min-width: 58px;
    max-width: 58px;
    height: 54px;
    min-height: 54px;
    max-height: 54px;
  }

  .header-search-form > button[type="submit"] .search-icon {
    width: 23px;
    height: 23px;
  }

  /* Footer mobile */
  .site-footer {
    padding-top: 36px;
  }

  .site-footer__inner {
    grid-template-columns: 1fr;
    gap: 34px;
    padding: 0 20px 36px;
  }

  .footer-subscribe__row {
    flex-direction: column;
    gap: 10px;
  }

  .site-footer__bottom {
    flex-direction: column;
    align-items: flex-start;
    padding: 20px;
  }

  .site-footer__bottom-nav {
    flex-wrap: wrap;
    gap: 14px;
  }
}