/* ==========================================================================
   LinxPlumbing - 배관 회사 웹사이트 스타일시트
   ==========================================================================
   이 파일은 LinxPlumbing 웹사이트의 전체 CSS 스타일을 담고 있습니다.
   각 섹션은 한글 주석으로 설명되어 있어 비개발자도 이해할 수 있습니다.
   ========================================================================== */


/* ==========================================================================
   1. CSS 변수 - 사이트 전체에서 사용되는 색상/크기 값
   ========================================================================== */
:root {
  --primary: #1E3A5F;
  --primary-light: #2A5298;
  --primary-dark: #0F1F3C;
  --accent: #FF6B35;
  --accent-hover: #E55A2B;
  --success: #28A745;
  --warning: #FFC107;
  --error: #DC3545;
  --white: #FFFFFF;
  --light-bg: #F8F9FA;
  --gray: #6C757D;
  --dark: #343A40;
  --black: #212529;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --header-height: 70px;
}


/* ==========================================================================
   2. 초기화 및 기본 스타일
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Noto Sans KR', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--black);
  background-color: var(--white);
  overflow-x: hidden;
}

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

/* SVG 기본 스타일 - 인라인 SVG가 레이아웃을 깨뜨리지 않도록 */
svg { display: inline-block; vertical-align: middle; flex-shrink: 0; }

a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; font-size: inherit; }
input, textarea, select { font-family: inherit; font-size: inherit; }
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--black); }
p { margin-bottom: 0.75rem; }
p:last-child { margin-bottom: 0; }


/* ==========================================================================
   3. 공통 유틸리티 클래스
   ========================================================================== */

/* 컨테이너 - 콘텐츠 최대 너비를 제한하고 가운데 정렬 */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 섹션 기본 스타일 */
.section {
  padding: 80px 0;
}

/* 회색 배경 섹션 */
.section--gray {
  background-color: var(--light-bg);
}

/* 섹션 헤더 (제목 + 부제목) - 모든 섹션에서 공통 사용 */
.section__header {
  text-align: center;
  margin-bottom: 48px;
}

.section__title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
}

.section__subtitle {
  font-size: 1.05rem;
  color: var(--gray);
  max-width: 600px;
  margin: 0 auto;
}

/* 필수 입력 표시 별표 */
.required {
  color: var(--error);
  margin-left: 2px;
}


/* ==========================================================================
   4. 버튼 공통 스타일
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  white-space: nowrap;
  line-height: 1.4;
}

.btn--primary {
  background-color: var(--accent);
  color: var(--white);
}

.btn--primary:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255,107,53,0.3);
}

.btn--call {
  background-color: var(--accent);
  color: var(--white);
}

.btn--call:hover {
  background-color: var(--accent-hover);
}

.btn--emergency {
  background-color: var(--error);
  color: var(--white);
  animation: pulse-glow 2s infinite;
}

.btn--lg {
  padding: 14px 32px;
  font-size: 1.05rem;
}


/* ==========================================================================
   5. 헤더 및 네비게이션
   ========================================================================== */

/* 헤더 전체 - 화면 상단에 고정 */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: var(--white);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: all var(--transition-normal);
}

/* 스크롤 시 헤더 변화 */
.header.scrolled {
  background-color: rgba(255,255,255,0.97);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(10px);
}

/* 헤더 내부 레이아웃 - container와 함께 사용됨 (.container.header__inner) */
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

/* 로고 */
.header__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo-svg {
  height: 38px;
  width: auto;
}

/* 네비게이션 메뉴 */
.header__nav {
  display: flex;
  align-items: center;
}

.header__menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.header__link {
  position: relative;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--dark);
  padding: 8px 0;
  transition: color var(--transition-fast);
}

.header__link:hover {
  color: var(--primary);
}

/* 현재 활성 메뉴 - 하단 주황색 밑줄 */
.header__link.active {
  color: var(--primary);
}

.header__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 3px;
  background-color: var(--accent);
  border-radius: 2px;
  transition: all var(--transition-normal);
  transform: translateX(-50%);
}

.header__link:hover::after,
.header__link.active::after {
  width: 100%;
}

.header__link.active::after {
  left: 0;
  transform: none;
}

/* 헤더 오른쪽 버튼 그룹 */
.header__actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

/* 긴급전화 버튼 */
.header__call-btn {
  font-size: 0.85rem;
  padding: 8px 16px;
}

/* 언어 전환 토글 */
.lang-toggle {
  display: flex;
  border: 1.5px solid #ddd;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.lang-toggle__btn {
  padding: 6px 10px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gray);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lang-toggle__btn.active {
  background-color: var(--primary);
  color: var(--white);
}

.lang-toggle__btn:hover:not(.active) {
  background-color: var(--light-bg);
}

/* 햄버거 메뉴 버튼 (모바일) */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 36px;
  height: 36px;
  z-index: 1100;
  position: relative;
}

.hamburger__line {
  display: block;
  width: 24px;
  height: 2.5px;
  background-color: var(--dark);
  border-radius: 2px;
  transition: all var(--transition-normal);
  position: absolute;
}

.hamburger__line:nth-child(1) { transform: translateY(-7px); }
.hamburger__line:nth-child(2) { transform: translateY(0); }
.hamburger__line:nth-child(3) { transform: translateY(7px); }

/* X 모양으로 변환 */
.hamburger.active .hamburger__line:nth-child(1) { transform: translateY(0) rotate(45deg); }
.hamburger.active .hamburger__line:nth-child(2) { opacity: 0; }
.hamburger.active .hamburger__line:nth-child(3) { transform: translateY(0) rotate(-45deg); }


/* ==========================================================================
   6. 히어로 섹션 (메인 배너)
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
  overflow: hidden;
  padding-top: var(--header-height);
}

/* 배경 그라데이션 오버레이 */
.hero__overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(255,107,53,0.1) 0%, transparent 70%);
  pointer-events: none;
}

/* 히어로 콘텐츠 */
.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--white);
  padding: 60px 20px;
}

.hero__title {
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
  line-height: 1.3;
}

.hero__subtitle {
  font-size: 1.15rem;
  opacity: 0.9;
  margin-bottom: 32px;
  color: rgba(255,255,255,0.9);
}

.hero__cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* 스크롤 다운 안내 화살표 */
.hero__scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
  opacity: 0.7;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(10px); }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(220,53,69,0.4); }
  50% { box-shadow: 0 0 0 10px rgba(220,53,69,0); }
}


/* ==========================================================================
   7. 서비스 섹션
   ========================================================================== */
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

/* 서비스 카드 */
.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  border: 1px solid #f0f0f0;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.service-card__icon {
  margin-bottom: 20px;
}

.service-card__icon svg {
  width: 48px;
  height: 48px;
}

.service-card__title {
  font-size: 1.25rem;
  color: var(--primary);
  margin-bottom: 10px;
}

.service-card__desc {
  font-size: 0.9rem;
  color: var(--gray);
  margin-bottom: 16px;
  line-height: 1.5;
}

.service-card__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.service-card__list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--dark);
}

.service-card__list li svg {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
}


/* ==========================================================================
   8. 왜 우리를 선택해야 하는가 (Why Choose Us)
   ========================================================================== */
.why-choose__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  border: 1px solid #f0f0f0;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.feature-card__icon {
  margin-bottom: 16px;
}

.feature-card__icon svg {
  width: 40px;
  height: 40px;
}

.feature-card__title {
  font-size: 1.05rem;
  color: var(--primary);
  margin-bottom: 8px;
}

.feature-card__desc {
  font-size: 0.9rem;
  color: var(--gray);
  line-height: 1.5;
}


/* ==========================================================================
   9. 고객 후기 (Testimonials) 슬라이더
   ========================================================================== */
.testimonials__slider {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
  overflow: hidden;
}

.testimonials__track {
  display: flex;
  transition: transform 0.5s ease;
}

.testimonial-card {
  min-width: 100%;
  padding: 32px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid #f0f0f0;
}

.testimonial-card__stars {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
}

.testimonial-card__stars svg {
  width: 18px;
  height: 18px;
}

.testimonial-card__text {
  font-size: 1rem;
  color: var(--dark);
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 20px;
  border: none;
  padding: 0;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.testimonial-card__info {
  display: flex;
  flex-direction: column;
}

.testimonial-card__name {
  font-size: 0.95rem;
  color: var(--black);
}

.testimonial-card__service {
  font-size: 0.85rem;
  color: var(--gray);
}

/* 슬라이더 화살표 버튼 */
.testimonials__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--white);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  transition: all var(--transition-fast);
  z-index: 5;
}

.testimonials__arrow:hover {
  background: var(--primary);
  color: var(--white);
}

.testimonials__arrow--prev { left: -16px; }
.testimonials__arrow--next { right: -16px; }

/* 하단 점(dot) 인디케이터 */
.testimonials__dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
}

.testimonials__dot,
.testimonials__dots .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ddd;
  transition: all var(--transition-fast);
  padding: 0;
}

.testimonials__dot.active,
.testimonials__dots .dot.active {
  background: var(--primary);
  transform: scale(1.2);
}


/* ==========================================================================
   10. 포트폴리오 / 시공 갤러리
   ========================================================================== */
.portfolio-section {
  padding: 80px 0;
}

.portfolio__tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 32px;
}

.portfolio__tab {
  padding: 8px 20px;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 20px;
  color: var(--gray);
  background: var(--light-bg);
  transition: all var(--transition-fast);
}

.portfolio__tab.active,
.portfolio__tab:hover {
  background: var(--primary);
  color: var(--white);
}

.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  min-height: 200px;
}

/* 포트폴리오 아이템 (JS에서 동적 생성, .portfolio__item 클래스 사용) */
.portfolio__item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4/3;
  background: var(--light-bg);
}

.portfolio__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.portfolio__item:hover img {
  transform: scale(1.05);
}

/* 포트폴리오 아이템 오버레이 */
.portfolio__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
  opacity: 0;
  transition: opacity var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.portfolio__item:hover .portfolio__overlay {
  opacity: 1;
}

.portfolio__overlay-title {
  color: white;
  font-size: 0.95rem;
  font-weight: 600;
  text-align: center;
}

.portfolio__overlay-desc {
  color: rgba(255,255,255,0.8);
  font-size: 0.8rem;
  text-align: center;
  margin-top: 4px;
}

/* 비디오 재생 아이콘 */
.portfolio__play-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  transition: background var(--transition-fast);
}

.portfolio__item:hover .portfolio__play-icon {
  background: rgba(255,0,0,0.8);
}

/* 배지 (PHOTO/VIDEO 라벨) */
.portfolio__badge {
  position: absolute;
  top: 8px;
  right: 8px;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  z-index: 3;
  letter-spacing: 0.5px;
}

.portfolio__badge--video {
  background: rgba(255,0,0,0.85);
  color: white;
}

.portfolio__badge--photo {
  background: rgba(30,58,95,0.85);
  color: white;
}

/* 비어있을 때 메시지 */
.portfolio__empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: var(--gray);
}

.portfolio__empty svg {
  margin: 0 auto 16px;
  display: block;
}


/* ==========================================================================
   11. 라이트박스 (사진 확대 / 유튜브 재생 팝업)
   ========================================================================== */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.9);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox__close {
  position: absolute;
  top: 16px;
  right: 16px;
  color: white;
  z-index: 10;
  padding: 8px;
}

.lightbox__close:hover {
  opacity: 0.7;
}

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: white;
  padding: 12px;
  z-index: 10;
}

.lightbox__nav:hover { opacity: 0.7; }
.lightbox__nav--prev { left: 16px; }
.lightbox__nav--next { right: 16px; }
.lightbox__nav.hidden { display: none; }

.lightbox__content {
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox__content img {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-md);
}

.lightbox__content iframe {
  width: 80vw;
  height: 45vw;
  max-width: 900px;
  max-height: 506px;
  border: none;
  border-radius: var(--radius-md);
}

.lightbox__caption {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
  text-align: center;
}


/* ==========================================================================
   12. 견적 요청 폼 (Quote Form)
   ========================================================================== */
.quote-section__wrapper {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  align-items: start;
}

.quote-form {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid #f0f0f0;
}

.quote-form__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group--full {
  grid-column: 1 / -1;
}

/* 폼 공통 요소 */
.form-group {
  display: flex;
  flex-direction: column;
}

.form-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.form-hint {
  font-weight: 400;
  color: var(--gray);
  font-size: 0.8rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid #ddd;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast);
  background-color: var(--white);
  color: var(--black);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(30,58,95,0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236C757D' stroke-width='2'%3E%3Cpolyline points='6,9 12,15 18,9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

/* 폼 에러 메시지 */
.form-error {
  font-size: 0.8rem;
  color: var(--error);
  margin-top: 4px;
  display: none;
}

/* 필드 에러 상태 */
.field-error .form-input,
.field-error .form-select,
.field-error .form-textarea,
.form-group.error .form-input,
.form-group.error .form-select {
  border-color: var(--error);
}

.field-error .form-error,
.form-group.error .form-error {
  display: block;
}

/* 필드 성공 상태 */
.field-success .form-input,
.field-success .form-select,
.field-success .form-textarea {
  border-color: var(--success);
}

/* 라디오 버튼 그룹 */
.form-fieldset {
  border: none;
  padding: 0;
}

.form-radio-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.form-radio {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1.5px solid #ddd;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  flex: 1;
  min-width: 180px;
}

.form-radio:hover {
  border-color: var(--primary);
}

.form-radio input[type="radio"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
  flex-shrink: 0;
}

.form-radio__marker {
  display: none;
}

.form-radio__label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
}

.form-radio__label svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* 파일 업로드 영역 */
.file-upload {
  border: 2px dashed #ddd;
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
  transition: all var(--transition-fast);
}

.file-upload.dragover {
  border-color: var(--primary);
  background-color: rgba(30,58,95,0.05);
}

.file-upload__input {
  display: none;
}

.file-upload__label {
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--gray);
  font-size: 0.9rem;
}

.file-upload__label svg {
  margin: 0 auto;
}

/* 업로드된 파일 미리보기 */
.file-upload__preview {
  margin-top: 12px;
}

.file-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid #eee;
  font-size: 0.85rem;
}

.file-name {
  color: var(--dark);
}

.file-remove {
  color: var(--error);
  font-size: 0.8rem;
  cursor: pointer;
  padding: 2px 8px;
  border-radius: 4px;
}

.file-remove:hover {
  background-color: rgba(220,53,69,0.1);
}

/* 폼 제출 버튼 영역 */
.quote-form__submit {
  margin-top: 24px;
  text-align: center;
}

.btn--full-mobile {
  width: auto;
}

/* 폼 성공 메시지 */
.quote-form__success {
  text-align: center;
  padding: 24px;
}

.quote-form__success svg {
  margin: 0 auto 12px;
  display: block;
}

/* Licensed & Insured 배지 */
.quote-badge {
  position: sticky;
  top: calc(var(--header-height) + 20px);
}

.quote-badge__card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid #f0f0f0;
  margin-bottom: 20px;
}

.quote-badge__card svg {
  margin: 0 auto 16px;
  display: block;
}

.quote-badge__title {
  font-size: 1.1rem;
  color: var(--primary);
  margin-bottom: 8px;
}

.quote-badge__text {
  font-size: 0.85rem;
  color: var(--gray);
  line-height: 1.5;
}

.quote-badge__features {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.quote-badge__feature {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--dark);
}

.quote-badge__feature svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
}


/* ==========================================================================
   13. 회사 소개 (About)
   ========================================================================== */
.about-section__content {
  max-width: 800px;
  margin: 0 auto 48px;
}

.about-section__text h3 {
  font-size: 1.3rem;
  color: var(--primary);
  margin-bottom: 16px;
}

.about-section__text p {
  color: var(--dark);
  line-height: 1.8;
}

/* 통계 카드 */
.about-section__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-card {
  text-align: center;
  padding: 24px 16px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid #f0f0f0;
}

.stat-card__number {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
  margin-bottom: 8px;
}

.stat-card__count {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--primary);
}

.stat-card__suffix {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--accent);
}

.stat-card__label {
  font-size: 0.9rem;
  color: var(--gray);
}


/* ==========================================================================
   14. 연락처 (Contact)
   ========================================================================== */
.contact-section__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

/* 연락처 정보 카드 */
.contact-info {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid #f0f0f0;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.contact-info__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(255,107,53,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info__icon svg {
  width: 22px;
  height: 22px;
}

.contact-info__text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact-info__text strong {
  font-size: 0.9rem;
  color: var(--dark);
}

.contact-info__text a,
.contact-info__text span {
  font-size: 0.9rem;
  color: var(--gray);
  line-height: 1.5;
}

.contact-info__text a:hover {
  color: var(--accent);
}

/* 문의 폼 */
.contact-form {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid #f0f0f0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-form__title {
  font-size: 1.15rem;
  color: var(--primary);
  margin-bottom: 4px;
}

.contact-form .form-group {
  margin-bottom: 0;
}

.contact-form .btn {
  align-self: flex-start;
  margin-top: 4px;
}

.contact-form__success {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: rgba(40,167,69,0.1);
  border-radius: var(--radius-md);
  color: var(--success);
  font-size: 0.9rem;
}

.contact-form__success svg {
  flex-shrink: 0;
}


/* ==========================================================================
   15. 푸터 (Footer)
   ========================================================================== */
.footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.8);
  padding: 60px 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer__logo {
  display: inline-block;
  margin-bottom: 16px;
}

.footer__logo .logo-svg {
  height: 36px;
}

.footer__desc {
  font-size: 0.9rem;
  line-height: 1.6;
  opacity: 0.8;
}

.footer__heading {
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 16px;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer__links a {
  font-size: 0.9rem;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.footer__links a:hover {
  opacity: 1;
  color: var(--accent);
}

.footer__contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__contact li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
}

.footer__contact li svg {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
}

.footer__contact a,
.footer__contact span {
  opacity: 0.7;
}

.footer__contact a:hover {
  opacity: 1;
  color: var(--accent);
}

/* 푸터 하단 바 */
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer__copyright {
  font-size: 0.85rem;
  opacity: 0.6;
}

.footer__license {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  opacity: 0.6;
}

.footer__license svg {
  width: 14px;
  height: 14px;
}


/* ==========================================================================
   16. 모바일 하단 고정 바
   ========================================================================== */
.mobile-bottom-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--white);
  box-shadow: 0 -2px 12px rgba(0,0,0,0.1);
  z-index: 999;
  padding: 8px 12px;
  gap: 8px;
}

.mobile-bottom-bar__btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  flex: 1;
  padding: 8px 4px;
  border-radius: var(--radius-md);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--dark);
  transition: all var(--transition-fast);
}

.mobile-bottom-bar__btn svg {
  width: 20px;
  height: 20px;
}

.mobile-bottom-bar__btn--call {
  background: var(--accent);
  color: var(--white);
}

.mobile-bottom-bar__btn--quote {
  background: var(--primary);
  color: var(--white);
}

.mobile-bottom-bar__btn--email {
  background: var(--light-bg);
  color: var(--dark);
}


/* ==========================================================================
   17. 맨 위로 가기 버튼
   ========================================================================== */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-normal);
  z-index: 998;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--accent);
  transform: translateY(-4px);
}


/* ==========================================================================
   18. 토스트 메시지 (알림)
   ========================================================================== */
.toast-message {
  position: fixed;
  top: calc(var(--header-height) + 16px);
  right: 16px;
  padding: 14px 24px;
  border-radius: var(--radius-md);
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 500;
  z-index: 9000;
  opacity: 0;
  transform: translateX(100%);
  transition: all 0.4s ease;
  max-width: 400px;
}

.toast-message.show {
  opacity: 1;
  transform: translateX(0);
}

.toast-success { background-color: var(--success); }
.toast-error { background-color: var(--error); }
.toast-info { background-color: var(--primary); }


/* ==========================================================================
   19. 스크롤 애니메이션
   ========================================================================== */
[data-animate],
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].visible,
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}


/* ==========================================================================
   20. 반응형 디자인 - 태블릿 (1024px 이하)
   ========================================================================== */
@media (max-width: 1024px) {
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .why-choose__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-section__stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .portfolio__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .quote-section__wrapper {
    grid-template-columns: 1fr;
  }

  .quote-badge {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}


/* ==========================================================================
   21. 반응형 디자인 - 모바일 (768px 이하)
   ========================================================================== */
@media (max-width: 768px) {
  /* 섹션 기본 패딩 축소 */
  .section {
    padding: 56px 0;
  }

  .section__title {
    font-size: 1.6rem;
  }

  .section__subtitle {
    font-size: 0.95rem;
  }

  .section__header {
    margin-bottom: 32px;
  }

  /* 헤더 모바일 대응 */
  .header__nav {
    display: none;
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--white);
    box-shadow: var(--shadow-lg);
    padding: 80px 24px 24px;
    flex-direction: column;
    transition: right var(--transition-normal);
    z-index: 1050;
  }

  .header__nav.active {
    display: flex;
    right: 0;
  }

  .header__menu {
    flex-direction: column;
    gap: 0;
    width: 100%;
  }

  .header__link {
    display: block;
    padding: 14px 0;
    font-size: 1.05rem;
    border-bottom: 1px solid #f0f0f0;
  }

  .header__link::after {
    display: none;
  }

  .header__call-btn {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  /* 히어로 모바일 */
  .hero__title {
    font-size: 1.8rem;
  }

  .hero__subtitle {
    font-size: 1rem;
  }

  .hero__cta {
    flex-direction: column;
    align-items: center;
  }

  .hero__cta .btn {
    width: 100%;
    max-width: 280px;
  }

  /* 서비스 1열 */
  .services__grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  /* Why Choose 1열 */
  .why-choose__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .feature-card {
    padding: 20px;
    display: flex;
    align-items: center;
    text-align: left;
    gap: 14px;
  }

  .feature-card__icon {
    margin-bottom: 0;
  }

  /* 슬라이더 화살표 숨김 */
  .testimonials__arrow {
    display: none;
  }

  .testimonial-card {
    padding: 24px 16px;
  }

  /* 포트폴리오 2열 */
  .portfolio__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  /* 견적 폼 1열 */
  .quote-form__grid {
    grid-template-columns: 1fr;
  }

  .quote-form {
    padding: 24px 16px;
  }

  .btn--full-mobile {
    width: 100%;
  }

  .quote-badge {
    display: none;
  }

  /* 통계 2열 */
  .about-section__stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  /* 연락처 1열 */
  .contact-section__grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .contact-info,
  .contact-form {
    padding: 24px 16px;
  }

  /* 푸터 1열 */
  .footer__grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }

  /* 모바일 하단 바 표시 */
  .mobile-bottom-bar {
    display: flex;
  }

  /* 모바일 하단바를 위한 바디 패딩 */
  body {
    padding-bottom: 72px;
  }

  /* 맨 위로 버튼 위치 조정 */
  .back-to-top {
    bottom: 80px;
    right: 16px;
  }
}


/* ==========================================================================
   22. 반응형 디자인 - 작은 모바일 (480px 이하)
   ========================================================================== */
@media (max-width: 480px) {
  .hero__title {
    font-size: 1.5rem;
  }

  .container {
    padding: 0 16px;
  }

  .stat-card__count {
    font-size: 1.8rem;
  }

  .portfolio__grid {
    grid-template-columns: 1fr;
  }

  .form-radio-group {
    flex-direction: column;
  }
}


/* ==========================================================================
   23. 인쇄 스타일
   ========================================================================== */
@media print {
  .header, .mobile-bottom-bar, .back-to-top, .hero__scroll-indicator {
    display: none !important;
  }

  .hero {
    min-height: auto;
    padding: 40px 0;
  }

  .section {
    padding: 30px 0;
    break-inside: avoid;
  }

  body {
    padding: 0;
    color: #000;
  }
}