/* 이경민 투자전문가 랜딩페이지 - 블랙골드 다크테마 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+KR:wght@400;500;600;700;900&display=swap');

:root {
  --primary-black: #1A1A1A;
  --primary-gold: #D4AF37;
  --primary-silver: #C0C0C0;
  --dark-bg: #0F0F0F;
  --card-bg: #2A2A2A;
  --text-primary: #FFFFFF;
  --text-secondary: #C0C0C0;
  --gradient-gold: linear-gradient(135deg, #D4AF37, #F4E87C);
  --gradient-dark: linear-gradient(135deg, #1A1A1A, #2A2A2A);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Noto Serif KR', serif;
  background: var(--primary-black);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* 헤더 */
.header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(26, 26, 26, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.nav {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-gold);
}

/* 히어로 섹션 */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-dark);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url(../images/bgc.png) no-repeat center center;
  background-size: cover;
  opacity: 0.3;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-content h1 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 0.8rem;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  font-weight: 400;
}

.hero-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

/* 简化的头像设计 */
.profile-avatar-simple {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.avatar-circle {
  width: 130px;
  height: 130px;
  border-radius: 50%;
  border: 2px solid var(--primary-gold);
  background: var(--gradient-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: var(--primary-gold);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5);
  position: relative;
  transition: all 0.3s ease;
}

.avatar-circle::before {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  background: var(--gradient-gold);
  border-radius: 50%;
  z-index: -1;
  opacity: 0.8;
}

.avatar-decoration {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary-gold);
  font-size: 0.85rem;
  font-weight: 700;
}

.avatar-decoration i {
  font-size: 1rem;
  animation: float 3s ease-in-out infinite;
}

.avatar-decoration i:first-child {
  animation-delay: 0s;
}

.avatar-decoration i:last-child {
  animation-delay: 1s;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-5px); }
}

/* CTA 버튼 */
.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  background: var(--gradient-gold);
  color: var(--primary-black);
  padding: 1rem 2rem;
  border: none;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  box-shadow: 0 10px 30px rgba(212, 175, 55, 0.3);
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 40px rgba(212, 175, 55, 0.4);
}

/* KakaoTalk 아이콘 스타일 */
.kakao-icon {
  width: 32px;
  height: 32px;
  object-fit: contain;
  transition: all 0.3s ease;
}

.cta-button:hover .kakao-icon {
  transform: scale(1.1);
}

/* 섹션 공통 스타일 */
.section {
  padding: 3rem 0;
  position: relative;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* 대형 화면 최적화 */
@media (min-width: 1400px) {
  .container {
    max-width: 1300px;
    padding: 0 3rem;
  }
  
  .hero-container {
    max-width: 1300px;
    padding: 0 3rem;
  }
  
  .nav {
    max-width: 1300px;
    padding: 0 3rem;
  }
}

@media (min-width: 1600px) {
  .container {
    max-width: 1400px;
    padding: 0 4rem;
  }
  
  .hero-container {
    max-width: 1400px;
    padding: 0 4rem;
  }
  
  .nav {
    max-width: 1400px;
    padding: 0 4rem;
  }
}

/* 모바일 전용 중앙 정렬 클래스 */
@media (max-width: 768px) {
  .section {
    padding: 4rem 0;
  }
  
  .section:last-of-type {
    padding-bottom: 8rem; /* 고정 CTA 버튼을 위한 여백 */
  }
}

.section-title {
  font-size: 1.6rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 2rem;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* 특징 섹션 */
.features {
  background: var(--dark-bg);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  justify-items: center;
}

.feature-card {
  background: var(--card-bg);
  padding: 1.2rem;
  border-radius: 12px;
  border: 1px solid rgba(212, 175, 55, 0.2);
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-3px);
  border-color: var(--primary-gold);
  box-shadow: 0 10px 20px rgba(212, 175, 55, 0.2);
}

.feature-icon {
  font-size: 2rem;
  color: var(--primary-gold);
  margin-bottom: 0.8rem;
}

.feature-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
  color: var(--text-primary);
}

.feature-description {
  color: var(--text-secondary);
  line-height: 1.5;
  font-size: 0.85rem;
}

/* 이미지-텍스트 섹션 */
.image-text-section {
  padding: 2.5rem 0;
}

.image-text-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  margin-bottom: 3rem;
}

.image-text-container.reverse {
  direction: rtl;
}

.image-text-container.reverse > * {
  direction: ltr;
}

.text-content h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
  color: var(--primary-gold);
}

.text-content p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 0.8rem;
}

.image-placeholder {
  background: var(--card-bg);
  border: 2px dashed var(--primary-gold);
  border-radius: 12px;
  height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-gold);
  font-size: 1rem;
  overflow: hidden;
}

.image-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 13px;
}

/* 후기 섹션 */
.testimonials {
  background: var(--dark-bg);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
  gap: 2rem;
  justify-items: center;
}

.testimonial-card {
  background: var(--card-bg);
  padding: 1.2rem;
  border-radius: 12px;
  border-left: 3px solid var(--primary-gold);
  position: relative;
}

.testimonial-content {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 1.2rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--primary-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-black);
  font-weight: 700;
}

.author-info h4 {
  color: var(--text-primary);
  font-weight: 700;
  margin-bottom: 0.2rem;
}

.author-info span {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* 고정 CTA 버튼 */
.fixed-cta {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(212, 175, 55, 0.7); }
  70% { box-shadow: 0 0 0 10px rgba(212, 175, 55, 0); }
  100% { box-shadow: 0 0 0 0 rgba(212, 175, 55, 0); }
}

/* 푸터 */
.footer {
  background: var(--dark-bg);
  padding: 3rem 0 1rem;
  border-top: 1px solid rgba(212, 175, 55, 0.2);
}

.footer-content {
  text-align: center;
  color: var(--text-secondary);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

/* 반응형 디자인 */
@media (max-width: 768px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
    padding: 2rem 1rem;
  }
  
  .hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .hero-content h1 {
    font-size: 2.5rem;
    text-align: center;
  }
  
  .hero-subtitle,
  .hero-description {
    text-align: center;
    max-width: 100%;
  }
  
  .cta-button {
    align-self: center;
    width: auto;
    min-width: 280px;
    justify-content: center;
  }
  
  .image-text-container {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }
  
  .image-text-container.reverse {
    direction: ltr;
  }
  
  .text-content {
    text-align: center;
  }
  
  .text-content h3 {
    text-align: center;
  }
  
  .nav {
    padding: 0 1rem;
  }
  
  .container {
    padding: 0 1rem;
  }
  
  .avatar-circle {
    width: 150px;
    height: 150px;
    font-size: 3rem;
    margin: 0 auto;
  }
  
  .avatar-decoration {
    font-size: 1rem;
    gap: 0.5rem;
    justify-content: center;
  }
  
  .avatar-decoration i {
    font-size: 1.2rem;
  }
  
  .profile-avatar-simple {
    align-items: center;
  }
  
  .section-title {
    font-size: 2rem;
    text-align: center;
    padding: 0 1rem;
  }
  
  .features-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .feature-card,
  .testimonial-card {
    text-align: center;
    margin: 0 auto;
    max-width: 400px;
  }
  
  .fixed-cta {
    bottom: 1rem;
    left: 1rem;
    right: 1rem;
    transform: none;
  }
  
  .fixed-cta .cta-button {
    width: 100%;
    justify-content: center;
  }
  
  .footer-content {
    text-align: center;
    padding: 0 1rem;
  }
  
  .footer-links {
    flex-direction: column;
    gap: 1rem;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .hero-content h1 {
    font-size: 1.8rem;
    line-height: 1.3;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
  }
  
  .hero-description {
    font-size: 1rem;
  }
  
  .section-title {
    font-size: 1.8rem;
    padding: 0 0.5rem;
  }
  
  .container {
    padding: 0 0.5rem;
  }
  
  .hero-container {
    padding: 1rem 0.5rem;
    gap: 2rem;
  }
  
  .cta-button {
    font-size: 1rem;
    padding: 0.8rem 1.5rem;
    min-width: 250px;
  }
  
  .avatar-circle {
    width: 120px;
    height: 120px;
    font-size: 2.5rem;
  }
  
  .avatar-decoration {
    font-size: 0.9rem;
  }
  
  .feature-card,
  .testimonial-card {
    padding: 1.5rem;
    max-width: 100%;
  }
  
  .text-content h3 {
    font-size: 1.5rem;
  }
  
  .text-content p {
    font-size: 1rem;
  }
  
  .testimonials-grid,
  .features-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .image-placeholder {
    height: 200px;
  }
  
  .kakao-icon {
    width: 28px;
    height: 28px;
  }
}