/*
Theme Name: Golbot
Theme URI: https://golbot.site
Author: Golbot
Author URI: https://golbot.site
Description: 골봇(Golbot) - 메이커 / 로봇 교육 콘텐츠를 위한 원페이지 워드프레스 테마. 흰색+청색 계열의 세련된 디자인, 동영상 히어로, 프로젝트/앱 썸네일, 추천사, How to Start, WooCommerce(우커머스) 샵 연동을 지원합니다.
Version: 1.4.0
Requires at least: 6.0
Tested up to: 6.6
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: golbot
Tags: education, blog, portfolio, one-column, custom-colors, custom-menu, featured-images, full-width-template, e-commerce, woocommerce
*/

/* =========================================================
   디자인 토큰 (색상/타이포/간격) — 흰색 + 청색 계열
   ========================================================= */
:root {
  /* Brand Blues */
  --c-navy:        #0B1F4D;   /* 가장 진한 네이비 (텍스트/헤딩) */
  --c-royal:       #1B4DDB;   /* 메인 로열블루 */
  --c-electric:    #2E7BFF;   /* 액센트 일렉트릭블루 */
  --c-sky:         #E8F0FF;   /* 연한 하늘색 배경 */
  --c-sky-2:       #F4F8FF;   /* 더 연한 배경 */
  --c-mist:        #C9DBFF;

  /* Neutrals */
  --c-white:       #FFFFFF;
  --c-off:         #F7F9FC;
  --c-line:        #E2E8F4;
  --c-ink:         #0F1A33;   /* 본문 */
  --c-ink-soft:    #45526E;   /* 서브 본문 */
  --c-muted:       #8A97B1;

  /* Gradients */
  --grad-blue: linear-gradient(135deg, #1B4DDB 0%, #2E7BFF 60%, #4DA2FF 100%);
  --grad-soft: linear-gradient(180deg, #FFFFFF 0%, #F4F8FF 100%);

  /* Typography */
  --font-display: 'Fredoka', 'Noto Sans KR', sans-serif;
  --font-body:    'Poppins', 'Noto Sans KR', sans-serif;
  --font-hand:    'Caveat', cursive;
  --font-kr-head: 'Jua', 'Noto Sans KR', sans-serif;

  /* Radius & shadow */
  --r-sm: 10px;
  --r-md: 18px;
  --r-lg: 28px;
  --r-pill: 999px;
  --shadow-sm: 0 4px 16px rgba(11, 31, 77, .08);
  --shadow-md: 0 14px 40px rgba(11, 31, 77, .12);
  --shadow-lg: 0 26px 70px rgba(11, 31, 77, .20);

  /* Layout */
  --container: 1200px;
  --gutter: 24px;
  --header-h: 84px;
}

/* =========================================================
   기본 리셋
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--c-ink);
  background: var(--c-white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-royal); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--c-electric); }
h1, h2, h3, h4 { font-family: var(--font-display); color: var(--c-navy); line-height: 1.12; margin: 0 0 .4em; font-weight: 600; }
p { margin: 0 0 1em; }
ul { margin: 0; padding: 0; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: .5em;
  font-family: var(--font-display); font-weight: 600; font-size: .98rem;
  padding: 14px 30px; border-radius: var(--r-pill);
  background: var(--grad-blue); color: #fff !important;
  border: none; cursor: pointer; letter-spacing: .01em;
  box-shadow: 0 10px 24px rgba(46,123,255,.34);
  transition: transform .25s cubic-bezier(.2,.8,.2,1), box-shadow .25s ease;
}
.btn:hover { transform: translateY(-3px); box-shadow: 0 16px 34px rgba(46,123,255,.46); color:#fff; }
.btn--ghost {
  background: transparent; color: var(--c-royal) !important;
  border: 2px solid var(--c-mist); box-shadow: none;
}
.btn--ghost:hover { border-color: var(--c-royal); background: var(--c-sky); }
.btn--white { background:#fff; color: var(--c-royal) !important; box-shadow: var(--shadow-md); }

/* 섹션 헤더 (— — — TITLE — — —) — 한글 지원 Jua */
.hand-heading {
  text-align: center;
  font-family: var(--font-kr-head);
  font-size: clamp(2.4rem, 5.4vw, 3.8rem);
  font-weight: 400;
  color: var(--c-navy);
  margin: 0 0 8px;
  letter-spacing: .01em;
  line-height: 1.25;
}
.hand-heading .dash { font-family: var(--font-hand); font-weight: 700; color: var(--c-electric); letter-spacing: -.04em; }
.section-sub { text-align:center; color: var(--c-ink-soft); max-width: 620px; margin: 0 auto 48px; }

.section { padding: clamp(64px, 9vw, 120px) 0; position: relative; }
.section--tint { background: var(--c-sky-2); }

/* =========================================================
   HEADER / NAV  (히어로 위에 오버랩되는 투명 네비)
   ========================================================= */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--header-h);
  display: flex; align-items: center;
  transition: background .35s ease, box-shadow .35s ease, height .35s ease;
}
.site-header.is-solid {
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-sm);
  height: 70px;
}

/* 홈(히어로)이 아닌 페이지: 헤더가 밝은 배경 위에 있으므로 처음부터 어두운 네비
   (JS 로딩 타이밍과 무관하게 항상 가독성 확보) */
body:not(.golbot-front) .site-header {
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-sm);
}
body:not(.golbot-front) .brand__name { color: var(--c-navy); }
body:not(.golbot-front) .brand__tag { color: var(--c-muted); }
body:not(.golbot-front) .main-nav a { color: var(--c-navy); }
body:not(.golbot-front) .main-nav .current-menu-item > a { color: var(--c-royal); }
body:not(.golbot-front) .nav-toggle span { background: var(--c-navy); }
.site-header .container { display:flex; align-items:center; justify-content: space-between; }

.brand { display:flex; align-items:center; gap: 12px; font-family: var(--font-display); }
.brand__logo-img { max-height: 46px; width:auto; }
.brand__name {
  font-size: 1.5rem; font-weight: 700; color:#fff; letter-spacing: .02em; line-height:1;
}
.is-solid .brand__name { color: var(--c-navy); }
.brand__tag { display:block; font-size: .64rem; letter-spacing:.14em; font-weight:600; color: rgba(255,255,255,.8); margin-top:2px; text-transform: uppercase; }
.is-solid .brand__tag { color: var(--c-muted); }

.main-nav ul { display:flex; align-items:center; gap: 34px; list-style:none; }
.main-nav a {
  color:#fff; font-family: var(--font-display); font-weight:500; font-size: 1.02rem;
  position:relative; padding: 6px 2px;
}
.main-nav a::after {
  content:''; position:absolute; left:0; bottom:-2px; width:0; height:2px;
  background: var(--c-electric); transition: width .25s ease; border-radius: 2px;
}
.main-nav a:hover::after, .main-nav .current-menu-item > a::after { width:100%; }
.is-solid .main-nav a { color: var(--c-navy); }
.main-nav .nav-shop > a,
.main-nav .menu-item-shop > a {
  background: var(--grad-blue); color:#fff !important; padding: 10px 24px;
  border-radius: var(--r-pill); box-shadow: 0 8px 20px rgba(46,123,255,.4);
}
.main-nav .nav-shop > a::after { display:none; }
.main-nav .nav-shop > a:hover { transform: translateY(-2px); }

.nav-toggle { display:none; background:none; border:none; cursor:pointer; padding:8px; }
.nav-toggle span { display:block; width:26px; height:2px; background:#fff; margin:5px 0; border-radius:2px; transition:.3s; }
.is-solid .nav-toggle span { background: var(--c-navy); }

/* =========================================================
   1) HERO  (동영상 배경 + 오버레이)
   ========================================================= */
.hero {
  position: relative; min-height: 100vh;
  display:flex; align-items:flex-end;
  overflow:hidden; color:#fff;
}
.hero__media { position:absolute; inset:0; z-index:0; }
.hero__media video,
.hero__media iframe,
.hero__media img {
  position:absolute; top:50%; left:50%; transform: translate(-50%,-50%);
  width:100%; height:100%; min-width:100%; min-height:100%;
  object-fit: cover; pointer-events:none;
}
.hero__media iframe { width:100vw; height:56.25vw; min-height:100vh; min-width:177.77vh; }
.hero__overlay {
  position:absolute; inset:0; z-index:1;
  background: linear-gradient(180deg, rgba(11,31,77,.30) 0%, rgba(11,31,77,.10) 40%, rgba(11,31,77,.72) 100%);
}
.hero__inner { position:relative; z-index:2; width:100%; padding-bottom: clamp(70px, 12vh, 140px); padding-top: 160px; }
.hero__title {
  color:#fff; font-size: clamp(2.6rem, 6.4vw, 5.6rem); font-weight:700;
  max-width: 16ch; text-shadow: 0 6px 30px rgba(11,31,77,.4);
}
.hero__sub { font-size: clamp(1.05rem,2vw,1.4rem); max-width: 44ch; color: rgba(255,255,255,.92); margin-bottom: 30px; }
.hero__cta { display:flex; gap:14px; flex-wrap:wrap; }
.hero__scroll {
  display:inline-flex; align-items:center; gap:12px; margin-top: 42px;
  font-family: var(--font-display); color:#fff; font-weight:500;
}
.hero__scroll .circle {
  width:46px; height:46px; border-radius:50%; border:2px solid rgba(255,255,255,.7);
  display:grid; place-items:center; animation: bob 1.8s ease-in-out infinite;
}
@keyframes bob { 0%,100%{ transform: translateY(0);} 50%{ transform: translateY(7px);} }

/* 떠다니는 장식 블롭 (참고 사이트 느낌, 청색 톤으로) */
.hero__blob { position:absolute; z-index:1; border-radius:50%; filter: blur(.5px); opacity:.85; }
.blob-1 { width:120px; height:120px; background:var(--c-electric); top:6%; left:14%; border-radius:48% 52% 60% 40%; animation: float 9s ease-in-out infinite; }
.blob-2 { width:80px; height:170px; background:#7DB4FF; top:18%; right:9%; border-radius:50%; animation: float 11s ease-in-out infinite reverse; }
.blob-3 { width:60px; height:60px; background:#0B1F4D; bottom:24%; left:24%; border-radius:50%; animation: float 7s ease-in-out infinite; opacity:.6; }
@keyframes float { 0%,100%{ transform: translateY(0) rotate(0);} 50%{ transform: translateY(-22px) rotate(8deg);} }

/* =========================================================
   2) INTRO / VIDEO  (왼쪽 영상 + 오른쪽 설명)
   ========================================================= */
.intro { display:grid; grid-template-columns: 1.05fr 1fr; gap: clamp(32px,5vw,72px); align-items:center; }
.intro__video {
  position:relative; border-radius: var(--r-lg); overflow:hidden;
  box-shadow: var(--shadow-lg); aspect-ratio: 16/9; background:#0B1F4D;
}
.intro__video iframe { position:absolute; inset:0; width:100%; height:100%; border:0; }
.intro__video .play-poster { position:absolute; inset:0; cursor:pointer; }
.intro__video .play-poster img { width:100%; height:100%; object-fit:cover; }
.intro__video .play-btn {
  position:absolute; top:50%; left:50%; transform:translate(-50%,-50%);
  width:78px; height:78px; border-radius:50%; background: var(--grad-blue);
  display:grid; place-items:center; box-shadow: 0 12px 30px rgba(46,123,255,.5);
  transition: transform .25s ease;
}
.play-poster:hover .play-btn { transform: translate(-50%,-50%) scale(1.08); }
.intro__content h2 { font-size: clamp(2rem,3.4vw,3rem); color: var(--c-royal); }
.intro__content h2 .em { color: var(--c-navy); }
.intro__content p { color: var(--c-ink-soft); font-size: 1.08rem; }
.intro__content strong { color: var(--c-navy); }

/* =========================================================
   3) PROJECTS GRID  (썸네일 → 제작방법 글)
   ========================================================= */
.cards-grid { display:grid; grid-template-columns: repeat(3,1fr); gap: 26px; }
.card-thumb {
  position:relative; display:block; border-radius: var(--r-md); overflow:hidden;
  aspect-ratio: 16/10; box-shadow: var(--shadow-sm); background: var(--c-navy);
  transition: transform .3s cubic-bezier(.2,.8,.2,1), box-shadow .3s ease;
}
.card-thumb:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.card-thumb img { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; transition: transform .5s ease; }
.card-thumb:hover img { transform: scale(1.07); }
.card-thumb__overlay {
  position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(11,31,77,0) 30%, rgba(11,31,77,.55) 68%, rgba(11,31,77,.9) 100%);
  display:flex; flex-direction:column; justify-content:flex-end; padding: 22px;
}
.card-thumb__title { font-family: var(--font-display); font-weight:600; color:#fff; font-size: 1.35rem; line-height:1.15; text-shadow:0 2px 10px rgba(0,0,0,.4); }
.card-thumb__meta { color: var(--c-mist); font-size:.86rem; margin-top:4px; }
.card-thumb__tag {
  position:absolute; top:14px; left:14px; z-index:2;
  background: rgba(255,255,255,.92); color: var(--c-royal);
  font-family: var(--font-display); font-weight:600; font-size:.72rem;
  padding:5px 12px; border-radius: var(--r-pill); backdrop-filter: blur(4px);
}
.section-cta { text-align:center; margin-top: 48px; }

/* =========================================================
   4) TESTIMONIALS  (청색 풀블리드 + 슬라이더)
   ========================================================= */
.testimonials { background: var(--grad-blue); color:#fff; }
.testimonials .hand-heading { color:#fff; }
.testimonials .hand-heading .dash { color: rgba(255,255,255,.55); }
.t-slider { position:relative; max-width: 1100px; margin: 30px auto 0; }
.t-track { display:grid; grid-template-columns: repeat(3,1fr); gap: 40px; }
.t-item { text-align:center; padding: 0 8px; }
.t-quote { font-size: 1.06rem; line-height:1.6; color: rgba(255,255,255,.96); margin-bottom: 22px; }
.t-person { display:flex; align-items:center; justify-content:center; gap:14px; }
.t-person img { width:64px; height:64px; border-radius:50%; object-fit:cover; border:3px solid rgba(255,255,255,.5); }
.t-name { font-family: var(--font-display); font-weight:600; font-size:1.1rem; }
.t-role { font-size:.82rem; color: rgba(255,255,255,.8); }
.t-arrow {
  position:absolute; top:42%; width:46px; height:46px; border-radius:50%;
  background: rgba(255,255,255,.16); border:none; color:#fff; font-size:1.4rem; cursor:pointer;
  display:grid; place-items:center; transition: background .2s ease;
}
.t-arrow:hover { background: rgba(255,255,255,.3); }
.t-prev { left:-10px; } .t-next { right:-10px; }
.t-dots { display:flex; justify-content:center; gap:9px; margin-top: 40px; }
.t-dots button { width:9px; height:9px; border-radius:50%; border:none; background: rgba(255,255,255,.4); cursor:pointer; }
.t-dots button.active { background:#fff; width:26px; border-radius: 6px; }

/* =========================================================
   5) HOW TO START  (3단 아이콘 카드)
   ========================================================= */
.start-grid { display:grid; grid-template-columns: repeat(3,1fr); gap: clamp(24px,4vw,56px); margin-top: 30px; }
.start-card { text-align:center; padding: 20px 14px; }
.start-card__icon {
  width: 120px; height:120px; margin: 0 auto 26px; border-radius: 32px;
  background: var(--c-sky); display:grid; place-items:center; color: var(--c-royal);
  box-shadow: inset 0 0 0 1px var(--c-mist);
}
.start-card__icon svg { width:62px; height:62px; }
.start-card h3 { color: var(--c-royal); font-size: 1.5rem; }
.start-card p { color: var(--c-ink-soft); margin-bottom: 24px; }

/* =========================================================
   6) SHOP GRID  (상품 썸네일 → 샵)
   ========================================================= */
.shop-grid { display:grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.shop-card { display:block; background:#fff; border-radius: var(--r-md); overflow:hidden; box-shadow: var(--shadow-sm); transition: transform .3s ease, box-shadow .3s ease; }
.shop-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.shop-card__media { aspect-ratio: 1/1; overflow:hidden; background: var(--c-sky-2); }
.shop-card__media img { width:100%; height:100%; object-fit:cover; transition: transform .5s ease; }
.shop-card:hover .shop-card__media img { transform: scale(1.06); }
.shop-card__body { padding: 22px 22px 26px; }
.shop-card__title { font-family: var(--font-display); font-weight:600; color: var(--c-navy); font-size: 1.25rem; margin-bottom:6px; }
.shop-card__desc { color: var(--c-ink-soft); font-size:.92rem; min-height: 42px; }
.shop-card__price { color: var(--c-royal); font-weight:600; font-family: var(--font-display); font-size:1.1rem; margin: 8px 0 16px; }
.shop-card__price del { color: var(--c-muted); font-weight:400; font-size:.9em; margin-right:6px; }

/* =========================================================
   7) APPS GRID
   ========================================================= */
.apps-grid { display:grid; grid-template-columns: repeat(3,1fr); gap: 26px; }
.app-card { background:#fff; border-radius: var(--r-md); overflow:hidden; box-shadow: var(--shadow-sm); transition: transform .3s ease, box-shadow .3s ease; color: var(--c-royal); }
.app-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); color: var(--c-royal); }
.app-card__media { aspect-ratio: 16/9; overflow:hidden; background: var(--c-navy); }
.app-card__media img { width:100%; height:100%; object-fit:cover; transition: transform .5s ease; }
.app-card:hover .app-card__media img { transform: scale(1.06); }
.app-card__body { padding: 18px 22px 24px; }
.app-card__title { font-family: var(--font-display); font-weight:600; color: var(--c-royal) !important; font-size:1.2rem; }
.app-card:hover .app-card__title { color: var(--c-electric) !important; }

/* =========================================================
   FOOTER  (한 줄: 좌 저작권 / 우 링크)
   ========================================================= */
.site-footer { background: var(--c-navy); color: rgba(255,255,255,.78); padding: 34px 0; }
.site-footer a { color: rgba(255,255,255,.82); }
.site-footer a:hover { color:#fff; }
.footer-row {
  display:flex; align-items:center; justify-content:space-between;
  flex-wrap:wrap; gap: 18px 32px;
}
.footer-copy { font-family: var(--font-display); font-weight:600; font-size:.92rem; color:#fff; letter-spacing:.01em; }
.footer-links, .footer-links__menu {
  display:flex; align-items:center; flex-wrap:wrap; gap: 14px 30px; list-style:none; margin:0; padding:0;
}
.footer-links a, .footer-links__menu a {
  font-family: var(--font-display); font-weight:600; font-size:.95rem; color:#fff;
  position:relative; padding-bottom:2px;
}
.footer-links a::after, .footer-links__menu a::after {
  content:''; position:absolute; left:0; bottom:-1px; width:0; height:2px;
  background: var(--c-electric); transition: width .25s ease; border-radius:2px;
}
.footer-links a:hover::after, .footer-links__menu a:hover::after { width:100%; }
.footer-links__pending {
  font-family: var(--font-display); font-weight:600; font-size:.95rem;
  color: rgba(255,255,255,.45); cursor: default;
}

/* =========================================================
   일반 페이지 / 글 / 아카이브 / WooCommerce 보정
   ========================================================= */
.page-hero { padding: calc(var(--header-h) + 60px) 0 50px; background: var(--grad-soft); text-align:center; }
.page-hero h1 { font-family: var(--font-kr-head); font-weight: 400; font-size: clamp(2.2rem,5vw,3.4rem); color: var(--c-navy); }
.page-hero p { color: var(--c-ink-soft); max-width: 60ch; margin: 0 auto; }
.content-area { padding: 60px 0 90px; }
.entry-content { max-width: 760px; margin: 0 auto; font-size:1.08rem; color: var(--c-ink); }
.entry-content img { border-radius: var(--r-md); margin: 28px 0; }
.entry-content h2, .entry-content h3 { margin-top: 1.6em; }
.entry-content a { text-decoration: underline; }
.breadcrumb { font-size:.85rem; color: var(--c-muted); margin-bottom: 18px; }

/* WooCommerce 버튼/가격 톤 통일 */
.woocommerce a.button, .woocommerce button.button, .woocommerce .button,
.woocommerce #respond input#submit, .woocommerce-page a.button {
  background: var(--grad-blue) !important; color:#fff !important;
  border-radius: var(--r-pill) !important; font-family: var(--font-display) !important;
  font-weight:600 !important; padding: 12px 26px !important; box-shadow: 0 8px 20px rgba(46,123,255,.34);
}
.woocommerce span.price, .woocommerce div.product p.price { color: var(--c-royal) !important; }
.woocommerce ul.products li.product .price { color: var(--c-royal); }

/* =========================================================
   반응형
   ========================================================= */
@media (max-width: 1024px) {
  .cards-grid, .apps-grid { grid-template-columns: repeat(2,1fr); }
  .shop-grid { grid-template-columns: repeat(2,1fr); }
  .intro { grid-template-columns: 1fr; }
  .t-track { grid-template-columns: 1fr; }
  .t-item { display:none; }
  .t-item.is-active { display:block; }
}
@media (max-width: 760px) {
  :root { --header-h: 70px; }
  .nav-toggle { display:block; }
  .main-nav {
    position: fixed; inset: 0 0 0 auto; width: min(80vw, 320px);
    background:#fff; box-shadow: var(--shadow-lg); transform: translateX(105%);
    transition: transform .35s ease; padding: 100px 28px 40px; z-index: 999;
  }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav ul { flex-direction:column; align-items:flex-start; gap: 22px; }
  .main-nav a { color: var(--c-navy) !important; font-size: 1.2rem; }
  .start-grid { grid-template-columns: 1fr; }
  .cards-grid, .apps-grid, .shop-grid { grid-template-columns: 1fr; }
  .footer-row { flex-direction: column; align-items: center; text-align: center; gap: 16px; }
  .footer-links, .footer-links__menu { justify-content: center; }
  .hero__title { font-size: clamp(2.2rem,9vw,3rem); }
}

/* 스크롤 인 애니메이션 */
.reveal { opacity:0; transform: translateY(28px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.8,.2,1); }
.reveal.is-in { opacity:1; transform: none; }