*{box-sizing:border-box;   letter-spacing: 0;}

:root {
--brand-primary: #3182F6;  
--brand-primary-dark: #1B64DA;
--brand-soft: #E8F3FF;
--brand-dark: #0F172A;     

--bg-body: #F4F4F5;
--bg-card: #FFFFFF;
--bg-input: #FAFAFA;

--text-h1: #09090B;     /* 거의 블랙에 가까운 진한 그레이 */
--text-body: #52525B;   /* 가독성 좋은 미디엄 그레이 */
--text-muted: #A1A1AA;  /* 비활성/보조 텍스트 */

--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
--shadow-card: 0 4px 24px -8px rgba(0, 0, 0, 0.04);
--shadow-primary: 0 8px 16px rgba(49, 130, 246, 0.2);

--radius-sm: 5px;
--radius-full: 999px;

--transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

body { 
	background-color: #F4F4F5;
	color: var(--text-body); 
	line-height: 1.4; 
	-webkit-font-smoothing: antialiased; 
}
.screen { display: none; opacity: 0; transform: translateY(15px); transition: opacity 0.5s ease, transform 0.5s ease; }
.screen.active { display: block; opacity: 1; transform: translateY(0); }


#introScreen {
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 100vh;
    padding: 60px 20px;
    position: relative;
    box-sizing: border-box;
    overflow: hidden;
}

#introScreen::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    inset: 0;
    background: url(/common/img/intro.png) center / cover no-repeat;
    z-index: 0;
	filter: hue-rotate(22deg) saturate(.9);

}

#introScreen::after {
    content: "";
    position: absolute;
    inset: 0;
	background: 
	linear-gradient(
	  180deg,
	  rgb(255 255 255) 0%,
	  rgba(255, 255, 255, 0.9) 20%,
	  rgba(255, 255, 255, 0.7) 40%,
	  rgba(255, 255, 255, 0.5) 50%,
	  rgba(255, 255, 255, 0) 80%
	);
    z-index: 0;
}
#introScreen .in {
    background: rgb(255 255 255 / 6%);
    padding: 50px;
    box-sizing: border-box;
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    border: 1px solid rgba(255, 255, 255, 0.45);
    border-radius: 22px;
    backdrop-filter: blur(46px) ;
    box-shadow:
        0 20px 50px rgba(15, 23, 42, 0.08),
        inset 0 1px 0 rgba(255,255,255,0.5);
}

#introScreen .in::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 22px;
    background: linear-gradient(180deg, rgba(255,255,255,0.20) 0%, rgba(255,255,255,0.04) 38%, rgba(255,255,255,0.02) 100%);
    pointer-events: none;
}

.intro_nav {
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    box-sizing: border-box; 
    gap: 24px;
    margin-bottom: 30px;
    padding-bottom: 18px;
    border-bottom:  1px solid rgb(0 0 0 / 14%);
	position: relative;
    z-index: 2;
}
.intro_nav .left { display: flex; align-items: center; gap: 12px; }
.intro_nav .left img { width: 80px; }

.intro_nav .left .slogan {
    position: relative;
    padding-left: 12px;
    font-size: 0.95em;
    font-weight: 400;
    color: rgba(15, 23, 42, 0.72);
    letter-spacing: -0.02em;
}

.intro_nav .left .slogan::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 14px;
    background: rgba(15, 23, 42, 0.18);
}


.intro_nav .left .slogan b {
    color: var(--brand-primary);
    font-weight: 700;
}


.intro_nav .right { display: flex; gap:15px; align-items: center; }
.intro_nav .right a {
    display: inline-flex;
    align-items: center;
    height: 42px;
    padding: 0 16px;
    box-sizing: border-box;
    text-decoration: none;
    border-radius: 999px;
    transition: all 0.25s ease;
}
.intro_nav .right a:first-child {
    padding: 0;
    height: auto;
    background: none;
    border: 0;
    color: rgba(15, 23, 42, 0.88);
    font-size: 1.18em;
    font-weight: 700;
}

.intro_nav .right a:first-child i {
    color: var(--brand-primary-dark);
    font-size: 1.1em;
    transform: rotate(18deg);
}

.intro_nav .right a:last-child {
	display:flex; gap:5px;
    background: rgba(255,255,255,0.26);
    border: 1px solid rgba(255,255,255,0.34);
    color: rgba(15, 23, 42, 0.88);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.30),
        0 6px 18px rgba(15, 23, 42, 0.06);
}

.intro_nav .right a:last-child i {
    color: var(--brand-primary-dark);
    font-size: 1.05em;
}

.intro_nav .right a:last-child:hover {
    background: rgba(255,255,255,0.34);
    transform: translateY(-1px);
}


.intro_tit h1 { text-align: center; font-size: 2.4em; letter-spacing: -2px; color: #333; }
.intro_tit h1 b { font-weight: 800; font-size:1.3em; color:#000;}

.intro_tit .txtbox {
    display: flex; 
    align-items: center; 
    justify-content: center; 
    gap: 20px; 
    padding: 20px; 
    box-sizing: border-box; 
    margin-top: 20px;
}
.intro_tit h2 { text-align: center; font-size: 1.2em; font-weight: 600; color: #222; }
.intro_tit ul { display: flex; gap: 10px; justify-content: center; }
.intro_tit li { 
    padding: 10px 20px; 
    box-sizing: border-box; 
    background: rgba(255, 255, 255, 0.7); 
    border-radius: 50px; 
    box-shadow: 0 4px 12px rgba(0,0,0,0.03);
	display: flex;
    align-items: center;
    gap: 3px; 
    font-weight: 500;
    color: #444;
}
.intro_tit li i { color: var(--brand-primary); font-size:1.2em;}


.intro_num { margin: 40px 0;}
.intro_num h2 { text-align: center; font-weight: 600; margin-bottom: 15px; color: #333; font-size:1.7em;}

.intro_num .wrap { display: flex; gap: 12px; justify-content: center;  }
.intro_num .box { 
    padding: 25px 15px; 
    box-sizing: border-box; 
    flex: 1;
    transition: var(--transition);
}


.intro_num .top{display:flex; gap:15px;  align-items: center;}
.intro_num span { 
    padding: 8px; 
    display: inline-block; 
    box-sizing: border-box; 
    width: 45px;
    height: 45px;
    display: inline-flex; 
    align-items: center;
    justify-content: center;
    border-radius: 5px; 
    font-weight: 400;
    font-size: 1.1em;
	color:#000;
	border:1.5px solid #000;
}
.intro_num .before {line-height:1.3; font-size:1.1em; font-weight:300; color:#000;}
.intro_num .before b{font-weight:700;}

.intro_num i.ph-caret-right { 
    transform: rotate(90deg);
    color: #fff;
    font-size: 2em;
    display: inline-block;
    width: 100%;
    text-align: center;
    margin: 3px 0;
}
.intro_num .after { 
    color: var(--brand-primary); 
    padding: 16px; 
	box-sizing:border-box;
    text-align: center;
    background: rgba(255,255,255,0.60);
    border: 1px solid rgba(255,255,255,0.28);
    border-radius: 5px;
}
.intro_num .after .tag { 
    background: var(--brand-primary);; 
    display: inline-block; 
    margin-bottom: 6px; 
    font-size: 0.8em;
	color:#fff;
    padding: 5px 15px; 
    border-radius: 50px;
	font-weight:500;
	display:inline-flex; gap:5px; align-items:center;

}
.intro_num .after .tag i{color:#fff; font-size:1.2em;}
.intro_num .after p { color: #333; font-size: 1.2em; line-height: 1.3; font-weight: 600; }
.intro_num .after b { color: var(--brand-primary-dark); font-weight:700;}

.intro_tit .txtbox,
.intro_num .box {
    background: rgba(255,255,255,0.18);
    border: 1px solid rgba(255,255,255,0.24);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.26),
        0 8px 24px rgba(15, 23, 42, 0.04);
    border-radius: 18px;
}





.btn-start { 
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-dark));
    border: none; 
    padding: 30px 60px; 
    font-size: 1.3em; 
    font-weight: 400; 
    border-radius: 5px; 
    cursor: pointer; 
    transition: var(--transition); 
    box-shadow: 0 10px 20px rgba(49, 130, 246, 0.2); 
    color: white; 
    line-height: 1.4;
    display: block;
    margin: 40px auto 0;
}
.btn-start b { color: #fff; font-weight: 700; font-size: 1.2em; display: flex;  justify-content:center;}
.btn-start:hover { 
    transform: translateY(-3px); 
    box-shadow: 0 15px 25px rgba(49, 130, 246, 0.35); 
}	

.btn-start b i {
  font-size: 1.4em;
  line-height: 1;
  margin-left: 6px;
  animation: arrowBlink 1.2s infinite;
}

@keyframes arrowBlink {
  0% {
    opacity: 1;
  }

  50% {
    opacity: 0.35;
  }

  100% {
    opacity: 1;
  }
}


.intro_btn div{margin-top:25px;}
.intro_btn p{margin-bottom:10px; display:flex; gap:5px; justify-content:center; align-items:center; font-weight:300; color:rgba(255,255,255,.8); letter-spacing:0; text-align: left;}
.intro_btn i{color:rgba(255,255,255,.8); font-size:1.2em;}







/* form */
.form-wrap{max-width:1100px; margin:100px auto; }
.form-header { margin-bottom: 15px; display: flex; justify-content: space-between; align-items: center; }
.form-header h2 { font-size: 32px; font-weight: 700; color: var(--text-h1); letter-spacing: -0.03em; }
.btn-back { background: var(--bg-card);  padding: 10px 20px; border-radius: var(--radius-full); cursor: pointer; color: var(--text-body); font-size: 15px; font-weight: 600; display: flex; align-items: center; gap: 6px; transition: var(--transition); box-shadow: var(--shadow-sm); border:1px solid transparent}
.btn-back:hover {border:1px solid var(--brand-primary);  color: var(--brand-primary); }
.btn-back:hover i{color: var(--brand-primary); }
.form-grid { display: grid; grid-template-columns: 1fr 400px; gap: 48px; }

.section-card { background: var(--bg-card); border-radius: var(--radius-sm); padding: 30px; margin-bottom: 24px; box-shadow: var(--shadow-card); border: 1px solid rgba(228, 228, 231, 0.6); }
.section-title { font-size: 1.4em; font-weight: 600; color: var(--text-h1); margin-bottom: 25px; display: flex; gap: 7px; align-items:center;}

.step-num { width: 33px; height: 33px; border:1px solid #333; color:#333; border-radius: 5px; display: flex; justify-content: center; align-items: center; font-size: 16px; font-weight: 700; line-height:1;}

.input-group { margin-bottom: 20px; }
.input-group:last-child { margin-bottom: 0; }
.input-label { display: block;  color: var(--text-h1); margin-bottom: 7px; font-size:1.1em; font-weight:500;}

.text-input { 
	width: 100%; padding: 16px 20px; border:none; border-radius: var(--radius-sm); 
	font-size: 16px; color: var(--text-h1); transition: var(--transition); background-color:#f4f4f4; 
	font-family: inherit; font-weight: 500; outline: none;
}
.text-input:focus { border-color: var(--brand-primary); background-color: var(--bg-card); box-shadow: 0 0 0 4px var(--brand-soft); }
.text-input::placeholder { color: var(--text-muted); font-weight: 400; }

.email-flex { display: flex; align-items: center; gap: 12px; }
.email-at { color: var(--text-muted); font-weight: 600; padding: 0 4px; }


.radio-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }
.radio-card { position: relative; }
.radio-card input { position: absolute; opacity: 0; width: 0; height: 0; }
.radio-card label { 
	display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; width: 100%; padding: 22px 16px; 
	background: #f4f4f4; border-radius: var(--radius-sm); 
	cursor: pointer; font-size: 1em; font-weight: 500; color: var(--text-body); 
	transition: var(--transition); text-align: center; user-select: none;
}
.radio-card label i { font-size: 28px; color: var(--text-muted); transition: var(--transition); }

.radio-card input:checked + label { background: var(--brand-soft);  color: var(--brand-primary);  font-weight:600;}
.radio-card input:checked + label i { color: var(--brand-primary); }
.radio-card input:hover:not(:checked) + label { background: var(--brand-soft); border-color: #D4D4D8; }


/* 오른쪽 계산기 */
.sticky-wrapper { position: sticky; top: 40px; height: fit-content; }

.dashboard-card { 
	background: #001033; 
	border-radius: 5px; padding: 50px 30px;
	box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25); color: white; position: relative; overflow: hidden; 
}
.dashboard-card::before { content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%; background: radial-gradient(circle at 50% 0%, rgba(49, 130, 246, 0.15), transparent 50%); z-index: 0; pointer-events: none; }

.price-display { text-align: center; position: relative; z-index: 2;  }
.price-label { color: #94A3B8; font-size: 1.3em;  margin-bottom: 5px; display: flex; align-items: center; justify-content: center; gap: 3px; font-weight:800;}
.price-label i { color: var(--brand-primary); font-size:1.3em;}

.price-value { font-size: 2.6em; font-weight: 700; color: white; line-height: 1; }
.price-value span { font-size: 22px; color: #94A3B8; font-weight: 600; margin-left: 4px; letter-spacing: 0; }

.summary-box { position: relative; z-index: 2; margin: 30px 0; background: rgba(255, 255, 255, 0.1); border-radius: 5px; padding: 24px;  }
.summary-title { font-size: 1em; color: white; font-weight: 200; margin-bottom: 20px; display: flex; align-items: center; gap: 5px; }
.summary-title i { color: var(--brand-primary); font-size:1.5em; }

.summary-grid { display: grid; grid-template-columns: 1fr; gap: 12px; }
.summary-item { display: flex; justify-content: space-between; align-items: center; font-size: 15px; border-bottom: 1px solid rgba(255,255,255,0.2); padding-bottom: 7px; }
.summary-item:last-child { border-bottom: none; padding-bottom: 0; }
.summary-item-label { color: rgb(255 255 255 / 70%);}
.summary-item-value { font-weight: 500; color: #fff; text-align: right; }

.action-box { position: relative; z-index: 2; }
.action-box label { display: flex; gap:5px; color: white; font-size: 1em; font-weight: 200; margin-bottom:7px; }
.action-box i{color: var(--brand-primary); font-size: 1.5em;}
.custom-select { 
	width: 100%; padding: 18px 20px; background-color: rgba(255, 255, 255, 0.1); 
	border: none; border-radius: 5px; 
	color: white; cursor: pointer; outline: none; transition: var(--transition); 
	appearance: none; background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e"); 
	background-repeat: no-repeat; background-position: right 16px center; background-size: 25px; font-size: 1em;     font-weight: 600;
}
.custom-select:focus { border-color: var(--brand-primary); background-color: rgba(255, 255, 255, 0.1); box-shadow: 0 0 0 4px rgba(49, 130, 246, 0.2); }
.custom-select option { background: var(--brand-dark); color: white; }

.btn-submit { 
	width: 100%; background: var(--brand-primary); color: white; padding: 22px; border: none; border-radius: 5px; 
	font-size: 18px; font-weight: 600; margin-top: 24px; cursor: pointer; transition: var(--transition);
	display: flex; justify-content: center; align-items: center; gap: 8px; position: relative; z-index: 2; letter-spacing: -0.02em;
}
.btn-submit:hover { background: var(--brand-primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-primary); }
.btn-submit i{color:#fff;}

.comparison-option {
    margin-top: 18px;
    position: relative;
    z-index: 2;
}

.checkbox-card {
    display: flex;
    gap: 7px;
    cursor: pointer;
    transition: var(--transition);
}


.checkbox-card input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--brand-primary);
    cursor: pointer;
}

.checkbox-text {
    font-weight: 600;
    color: #CBD5E1;
    user-select: none;
}

.checkbox-card input[type="checkbox"]:checked + .checkbox-text {
    color: white;
}
.checkbox-card has(:checked) {
    border-color: var(--brand-primary);
    background: rgba(49, 130, 246, 0.1);
}		
.comparison-option p{color:#A1A1AA;}

.policy > div{background:#f4f4f4; padding:15px; border-radius:5px; font-size:.95em; font-weight:400; color:#52525B; height:100px; overflow-y:auto; margin-bottom:12px; line-height:1.6; border: 1px solid #E4E4E7;}
.policy label{display:flex; align-items:center; gap:10px; cursor:pointer; user-select:none;}
.policy label input{width:20px; height:20px; accent-color:var(--brand-primary); cursor:pointer;}



@media all and (max-width:1200px) {
	#introScreen{padding:40px 3%;}
	#introScreen .in{padding:20px 3%; box-sizing:border-box;}
	.form-wrap{padding:0 3%; box-sizing:border-box;}
}

@media all and (max-width: 900px) {
	body{font-size:.9em;}
	#introScreen::after{
		background:
		linear-gradient(
		  180deg,
		  rgb(255 255 255) 0%,
		  rgba(255, 255, 255, 0.9) 5%,
		  rgba(255, 255, 255, 0.6) 20%,
		  rgba(255, 255, 255, 0.4) 60%,
		  rgba(255, 255, 255, 0) 80%
		)	
	}
	.intro_nav{flex-direction: column;}
	.intro_num .wrap{flex-direction: column;}
	.intro_tit .txtbox{flex-direction: column; gap:10px;}
	.intro_tit ul{flex-direction: column;}
	.intro_tit h1{font-size:1.8em;}
	.intro_btn p{align-items:start;}
	.btn-start {padding:20px;  width: 100%; margin-top:20px;}

	.form-grid { grid-template-columns: 1fr; gap:0; }
	.sticky-wrapper { position: static; }
	.intro-container { flex-direction: column; text-align: center; padding: 50px 30px; gap: 40px; }
	.hero-image-wrapper { width: 80%; padding-bottom: 80%; margin: 0 auto; }

	.email-flex { flex-direction: column; align-items: stretch; gap: 20px; }
	.email-at { display: none; }
	.intro-footer-info { align-items: center; padding-left: 0; }

	.form-header{flex-direction:column-reverse; gap:5px;}
	.section-card{padding:20px;}
	.dashboard-card{padding:40px 20px;}
    .g-recaptcha {
        transform: scale(0.9);
        transform-origin: left top;
    }
}