/* ========================================
   NobleHR Features Page
   브랜드 컬러: 골드(#C8A865), 다크 네이비(#0E2044), 하늘색(#5DADE2)
   ======================================== */

:root {
    /* 브랜드 컬러 */
    --brand-gold: #FFD700;
    --brand-navy: #0E2044;
    --brand-sky: #5DADE2;
    
    /* 파스텔 컬러 */
    --pastel-gold: #FFF9E6;
    --pastel-sky: #E8F4FA;
    --pastel-navy: #E6EAF0;
    
    /* 그라데이션 */
    --gradient-primary: linear-gradient(135deg, var(--brand-navy) 0%, var(--brand-sky) 100%);
    --gradient-gold: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    
    /* 기본 컬러 */
    --white: #FFFFFF;
    --text-primary: var(--brand-navy);
    --text-secondary: #6C757D;
    
    --transition: all 0.3s ease;
}

/* ========== Hero Section with Background Image ========== */
.features-hero {
    padding: 6rem 0 4rem;
    background: var(--gradient-primary);
    color: white;
    position: relative;
    overflow: hidden;
    text-align: center;
}

/* 배경 이미지 레이어 */
.features-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('/images/hero-background-01.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.15;
    animation: subtleZoom 20s ease-in-out infinite alternate;
}

/* 그라데이션 오버레이 */
.features-hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(14, 32, 68, 0.85) 0%, rgba(93, 173, 226, 0.75) 100%);
    pointer-events: none;
}

/* 은은한 확대/축소 애니메이션 */
@keyframes subtleZoom {
    0% {
        transform: scale(1);
    }
    100% {
        transform: scale(1.05);
    }
}

/* 떠다니는 파티클 효과 */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* 배경 원형 애니메이션 */
.features-hero .circle-bg {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    border: 2px solid rgba(255, 255, 255, 0.15);
    pointer-events: none;
    animation: circleFloat 15s ease-in-out infinite;
}

.features-hero .circle-bg:nth-child(1) {
    width: 300px;
    height: 300px;
    top: 10%;
    left: 5%;
    animation-delay: 0s;
    animation-duration: 20s;
}

.features-hero .circle-bg:nth-child(2) {
    width: 200px;
    height: 200px;
    top: 50%;
    right: 10%;
    animation-delay: 2s;
    animation-duration: 18s;
}

.features-hero .circle-bg:nth-child(3) {
    width: 150px;
    height: 150px;
    bottom: 15%;
    left: 50%;
    animation-delay: 4s;
    animation-duration: 22s;
}

.features-hero .circle-bg:nth-child(4) {
    width: 250px;
    height: 250px;
    top: 30%;
    right: 30%;
    animation-delay: 1s;
    animation-duration: 19s;
}

@keyframes circleFloat {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    50% {
        transform: translate(30px, -30px) scale(1.1);
        opacity: 0.5;
    }
    90% {
        opacity: 0.3;
    }
}

/* 배경 선 애니메이션 */
.features-hero .line-bg {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    pointer-events: none;
}

.features-hero .line-bg:nth-child(5) {
    width: 2px;
    height: 100%;
    left: 20%;
    animation: lineFloat1 12s ease-in-out infinite;
}

.features-hero .line-bg:nth-child(6) {
    width: 2px;
    height: 100%;
    left: 50%;
    animation: lineFloat2 15s ease-in-out infinite;
    animation-delay: 3s;
}

.features-hero .line-bg:nth-child(7) {
    width: 2px;
    height: 100%;
    right: 25%;
    animation: lineFloat3 18s ease-in-out infinite;
    animation-delay: 6s;
}

.features-hero .line-bg:nth-child(8) {
    width: 100%;
    height: 2px;
    top: 30%;
    animation: lineFloat4 14s ease-in-out infinite;
    animation-delay: 2s;
}

@keyframes lineFloat1 {
    0%, 100% {
        opacity: 0;
        transform: translateY(0);
    }
    20% {
        opacity: 0.3;
    }
    50% {
        opacity: 0.5;
        transform: translateY(20px);
    }
    80% {
        opacity: 0.3;
    }
}

@keyframes lineFloat2 {
    0%, 100% {
        opacity: 0;
        transform: translateY(0);
    }
    20% {
        opacity: 0.4;
    }
    50% {
        opacity: 0.6;
        transform: translateY(-20px);
    }
    80% {
        opacity: 0.4;
    }
}

@keyframes lineFloat3 {
    0%, 100% {
        opacity: 0;
        transform: translateY(0);
    }
    20% {
        opacity: 0.3;
    }
    50% {
        opacity: 0.5;
        transform: translateY(15px);
    }
    80% {
        opacity: 0.3;
    }
}

@keyframes lineFloat4 {
    0%, 100% {
        opacity: 0;
        transform: translateX(0);
    }
    20% {
        opacity: 0.3;
    }
    50% {
        opacity: 0.4;
        transform: translateX(10px);
    }
    80% {
        opacity: 0.3;
    }
}

.features-hero .container {
    position: relative;
    z-index: 1;
}

.features-hero .hero-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.6rem 1.8rem;
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: white;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
    animation: float 3s ease-in-out infinite;
}

.features-hero .hero-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: white;
    text-shadow: 0 2px 8px rgba(0,0,0,0.3);
    animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.features-hero .gradient-text {
    color: #FFD700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.features-hero .hero-subtitle {
    font-size: 1.2rem;
    line-height: 1.8;
    color: white;
    max-width: 700px;
    margin: 0 auto;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

/* ========== Features Section ========== */
.features-section {
    padding: 5rem 0;
    background: var(--pastel-sky);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.feature-card {
    padding: 2.5rem;
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(200, 168, 101, 0.12);
    border: 2px solid transparent;
    transition: var(--transition);
    text-align: left;
    position: relative;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    border-color: #E0E0E0;
    background: #F8F9FA;
}

/* SVG 아이콘 박스 */
.feature-icon-box {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    border-radius: 12px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.feature-card:nth-child(2) .feature-icon-box {
    background: linear-gradient(135deg, #4CAF50 0%, #66BB6A 100%);
}

.feature-card:nth-child(3) .feature-icon-box {
    background: linear-gradient(135deg, var(--brand-sky) 0%, #7EC8E3 100%);
}

.feature-card:nth-child(4) .feature-icon-box {
    background: linear-gradient(135deg, #FF6B6B 0%, #FF8787 100%);
}

.feature-card:nth-child(5) .feature-icon-box {
    background: linear-gradient(135deg, var(--brand-navy) 0%, #1a3a6e 100%);
}

.feature-card:nth-child(6) .feature-icon-box {
    background: linear-gradient(135deg, var(--brand-sky) 0%, #5DADE2 100%);
}

.feature-card:nth-child(7) .feature-icon-box {
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
}

.feature-card:nth-child(8) .feature-icon-box {
    background: linear-gradient(135deg, #4CAF50 0%, #66BB6A 100%);
}

.feature-card:nth-child(9) .feature-icon-box {
    background: linear-gradient(135deg, var(--brand-sky) 0%, #7EC8E3 100%);
}

.feature-card:nth-child(10) .feature-icon-box {
    background: linear-gradient(135deg, #FF6B6B 0%, #FF8787 100%);
}

.feature-card:nth-child(11) .feature-icon-box {
    background: linear-gradient(135deg, var(--brand-navy) 0%, #1a3a6e 100%);
}

.feature-card:nth-child(12) .feature-icon-box {
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
}

.feature-card:nth-child(13) .feature-icon-box {
    background: linear-gradient(135deg, #4CAF50 0%, #66BB6A 100%);
}

.feature-card:nth-child(14) .feature-icon-box {
    background: linear-gradient(135deg, var(--brand-sky) 0%, #7EC8E3 100%);
}

.feature-card:nth-child(15) .feature-icon-box {
    background: linear-gradient(135deg, #FF6B6B 0%, #FF8787 100%);
}

.feature-card:nth-child(16) .feature-icon-box {
    background: linear-gradient(135deg, var(--brand-navy) 0%, #1a3a6e 100%);
}

.feature-card:nth-child(17) .feature-icon-box {
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
}

.feature-card:nth-child(18) .feature-icon-box {
    background: linear-gradient(135deg, #4CAF50 0%, #66BB6A 100%);
}

.feature-card:nth-child(19) .feature-icon-box {
    background: linear-gradient(135deg, var(--brand-sky) 0%, #7EC8E3 100%);
}

.feature-card:nth-child(20) .feature-icon-box {
    background: linear-gradient(135deg, #FF6B6B 0%, #FF8787 100%);
}

/* 아이콘 SVG */
.feature-icon-box svg {
    width: 32px;
    height: 32px;
    fill: white;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--brand-navy);
    margin-bottom: 0.8rem;
    line-height: 1.3;
}

.feature-desc {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--pastel-gold);
}

.feature-list li:last-child {
    border-bottom: none;
}

.check-icon-small {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #FFD700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    flex-shrink: 0;
    margin-top: 2px;
}

.check-icon-small::after {
    content: '';
    position: absolute;
    width: 4px;
    height: 8px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    top: 3px;
    left: 5px;
}

.item-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.item-content strong {
    font-size: 1rem;
    font-weight: 600;
    color: var(--brand-navy);
}

.item-content span {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ========== No Data ========== */
.no-data {
    text-align: center;
    padding: 4rem 2rem;
}

.no-data h2 {
    font-size: 2rem;
    color: var(--brand-navy);
    margin-bottom: 1rem;
}

.no-data p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
}

/* ========== CTA Section ========== */
.final-cta {
    padding: 5rem 0;
    background: var(--gradient-primary);
    color: white;
}

.cta-box {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: white;
}

.cta-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: white;
    opacity: 0.95;
}

.cta-benefits {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: white;
}

.check-icon {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #FFD700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    flex-shrink: 0;
}

.check-icon::after {
    content: '';
    position: absolute;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    top: 3px;
    left: 6px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
}

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

.btn-white {
    background: white;
    color: var(--brand-navy);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.3);
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.4);
}

.btn-xl {
    padding: 1.2rem 2.5rem;
    font-size: 1.1rem;
}

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

@media (max-width: 768px) {
    .features-hero .hero-title {
        font-size: 2rem;
    }
    
    .features-hero .hero-subtitle {
        font-size: 1rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-card {
        padding: 2rem;
    }
    
    .cta-benefits {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }
    
    .cta-title {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .features-hero {
        padding: 4rem 0 3rem;
    }
    
    .features-hero .hero-title {
        font-size: 1.6rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    
    .feature-title {
        font-size: 1.3rem;
    }
}