:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-soft: #dbeafe;
    --secondary: #0f172a;
    --text: #111827;
    --muted: #6b7280;
    --line: #e5e7eb;
    --bg: #f5f7fb;
    --white: #ffffff;
    --green: #16a34a;
    --orange: #f97316;
    --shadow: 0 20px 50px rgba(15, 23, 42, 0.10);
    --radius-xl: 28px;
    --radius-lg: 20px;
    --radius-md: 14px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Arial, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(229, 231, 235, 0.9);
}

.header-inner {
    min-height: 76px;
    display: flex;
    align-items: center;
    gap: 24px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 210px;
}

.brand-mark {
    width: 46px;
    height: 46px;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), #38bdf8);
    color: #fff;
    font-weight: 900;
    letter-spacing: -1px;
    box-shadow: 0 12px 25px rgba(37, 99, 235, 0.25);
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.25;
}

.brand-text strong {
    font-size: 20px;
    letter-spacing: -0.5px;
}

.brand-text em {
    font-style: normal;
    font-size: 12px;
    color: var(--muted);
}

.main-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    flex: 1;
}

.main-nav a {
    padding: 10px 12px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 700;
    color: #374151;
}

.main-nav a:hover,
.main-nav a.active {
    background: var(--primary-soft);
    color: var(--primary-dark);
}

.header-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 18px;
    border-radius: 999px;
    background: var(--secondary);
    color: #fff;
    font-weight: 800;
    white-space: nowrap;
}

.site-main {
    min-height: 70vh;
}

.hero {
    position: relative;
    overflow: hidden;
    padding: 86px 0 70px;
    background:
        radial-gradient(circle at 10% 20%, rgba(37, 99, 235, 0.16), transparent 32%),
        radial-gradient(circle at 90% 10%, rgba(56, 189, 248, 0.20), transparent 28%),
        linear-gradient(180deg, #ffffff, #f5f7fb);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 46px;
    align-items: center;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 999px;
    background: var(--primary-soft);
    color: var(--primary-dark);
    font-size: 14px;
    font-weight: 800;
    margin-bottom: 20px;
}

.hero h1,
.page-hero h1 {
    margin: 0;
    font-size: clamp(38px, 5vw, 64px);
    line-height: 1.12;
    letter-spacing: -2.4px;
}

.hero h1 span,
.page-hero h1 span {
    color: var(--primary);
}

.hero p,
.page-hero p {
    margin: 24px 0 0;
    font-size: 19px;
    color: #4b5563;
    line-height: 1.8;
}

.hero-actions,
.section-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 34px;
}

.btn {
    display: inline-flex;
    min-height: 52px;
    align-items: center;
    justify-content: center;
    padding: 0 22px;
    border-radius: 14px;
    font-weight: 900;
    border: 1px solid transparent;
    cursor: pointer;
    font-size: 15px;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 12px 28px rgba(37, 99, 235, 0.28);
}

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-dark {
    background: var(--secondary);
    color: #fff;
}

.btn-light {
    background: #fff;
    color: var(--secondary);
    border-color: var(--line);
}

.btn-block {
    width: 100%;
}

.hero-panel {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(229, 231, 235, 0.8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    padding: 26px;
}

.browser-card {
    overflow: hidden;
    border-radius: 22px;
    background: #fff;
    border: 1px solid var(--line);
}

.browser-top {
    display: flex;
    align-items: center;
    gap: 7px;
    height: 44px;
    padding: 0 16px;
    background: #f8fafc;
    border-bottom: 1px solid var(--line);
}

.browser-dot {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: #d1d5db;
}

.browser-body {
    padding: 24px;
}

.preview-hero {
    height: 160px;
    border-radius: 18px;
    background: linear-gradient(135deg, #2563eb, #38bdf8);
    color: #fff;
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.preview-hero strong {
    font-size: 26px;
    line-height: 1.25;
    letter-spacing: -1px;
}

.preview-hero span {
    margin-top: 8px;
    opacity: 0.9;
}

.preview-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 16px;
}

.preview-box {
    min-height: 90px;
    border-radius: 16px;
    background: #f3f4f6;
    padding: 14px;
}

.preview-box b {
    display: block;
    height: 12px;
    width: 70%;
    background: #cbd5e1;
    border-radius: 999px;
    margin-bottom: 10px;
}

.preview-box i {
    display: block;
    height: 8px;
    width: 90%;
    background: #e2e8f0;
    border-radius: 999px;
}

.stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 20px;
}

.stat {
    padding: 18px;
    border-radius: 18px;
    background: #f8fafc;
    border: 1px solid var(--line);
}

.stat strong {
    display: block;
    font-size: 24px;
    color: var(--primary);
}

.stat span {
    display: block;
    margin-top: 4px;
    color: var(--muted);
    font-size: 14px;
}

.section {
    padding: 78px 0;
}

.section.white {
    background: #fff;
}

.section-title {
    max-width: 760px;
    margin-bottom: 34px;
}

.section-title.center {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.section-title h2 {
    margin: 0;
    font-size: clamp(30px, 3.6vw, 44px);
    line-height: 1.25;
    letter-spacing: -1.5px;
}

.section-title p {
    margin: 14px 0 0;
    color: var(--muted);
    font-size: 17px;
    line-height: 1.8;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

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

.info-card,
.service-card,
.price-card,
.portfolio-card,
.faq-card,
.step-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 26px;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.05);
}

.info-card h3,
.service-card h3,
.price-card h3,
.portfolio-card h3,
.faq-card h3,
.step-card h3 {
    margin: 0 0 10px;
    font-size: 22px;
    letter-spacing: -0.5px;
}

.info-card p,
.service-card p,
.price-card p,
.portfolio-card p,
.faq-card p,
.step-card p {
    margin: 0;
    color: var(--muted);
}

.icon {
    width: 48px;
    height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    background: var(--primary-soft);
    color: var(--primary-dark);
    font-weight: 900;
    margin-bottom: 18px;
}

.page-hero {
    padding: 74px 0 58px;
    background:
        radial-gradient(circle at 10% 20%, rgba(37, 99, 235, 0.14), transparent 34%),
        linear-gradient(180deg, #ffffff, #f5f7fb);
}

.page-hero-inner {
    max-width: 860px;
}

.page-hero.center .page-hero-inner {
    text-align: center;
    margin: 0 auto;
}

.list-check {
    display: grid;
    gap: 12px;
    padding: 0;
    margin: 18px 0 0;
    list-style: none;
}

.list-check li {
    position: relative;
    padding-left: 28px;
    color: #374151;
}

.list-check li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--green);
    font-weight: 900;
}

.price-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    align-items: stretch;
}

.price-card {
    position: relative;
}

.price-card.featured {
    border-color: rgba(37, 99, 235, 0.5);
    box-shadow: 0 24px 55px rgba(37, 99, 235, 0.16);
}

.price-badge {
    position: absolute;
    top: 18px;
    right: 18px;
    padding: 6px 10px;
    border-radius: 999px;
    background: var(--primary);
    color: #fff;
    font-size: 12px;
    font-weight: 900;
}

.price-name {
    font-size: 15px;
    font-weight: 900;
    color: var(--primary);
}

.price-value {
    margin: 14px 0 18px;
    font-size: 34px;
    font-weight: 900;
    letter-spacing: -1px;
}

.price-value small {
    font-size: 15px;
    color: var(--muted);
    font-weight: 700;
}

.portfolio-thumb {
    height: 190px;
    border-radius: 18px;
    margin-bottom: 18px;
    background:
        linear-gradient(135deg, rgba(37, 99, 235, 0.92), rgba(56, 189, 248, 0.78)),
        repeating-linear-gradient(45deg, rgba(255,255,255,0.18), rgba(255,255,255,0.18) 8px, transparent 8px, transparent 16px);
    display: flex;
    align-items: flex-end;
    padding: 20px;
    color: #fff;
    font-weight: 900;
    font-size: 22px;
    letter-spacing: -0.8px;
}

.portfolio-thumb.green {
    background:
        linear-gradient(135deg, rgba(22, 163, 74, 0.92), rgba(34, 197, 94, 0.76)),
        repeating-linear-gradient(45deg, rgba(255,255,255,0.18), rgba(255,255,255,0.18) 8px, transparent 8px, transparent 16px);
}

.portfolio-thumb.orange {
    background:
        linear-gradient(135deg, rgba(249, 115, 22, 0.94), rgba(251, 191, 36, 0.78)),
        repeating-linear-gradient(45deg, rgba(255,255,255,0.18), rgba(255,255,255,0.18) 8px, transparent 8px, transparent 16px);
}

.step-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.step-num {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    background: var(--secondary);
    color: #fff;
    font-weight: 900;
    margin-bottom: 18px;
}

.cta-box {
    border-radius: var(--radius-xl);
    background:
        radial-gradient(circle at 90% 10%, rgba(56, 189, 248, 0.30), transparent 28%),
        linear-gradient(135deg, #0f172a, #1d4ed8);
    color: #fff;
    padding: 46px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 24px;
    align-items: center;
    box-shadow: var(--shadow);
}

.cta-box h2 {
    margin: 0;
    font-size: clamp(28px, 3.5vw, 42px);
    letter-spacing: -1.4px;
}

.cta-box p {
    margin: 12px 0 0;
    color: rgba(255,255,255,0.82);
}

.cta-box .btn {
    background: #fff;
    color: var(--secondary);
}

.form-wrap {
    display: grid;
    grid-template-columns: 0.78fr 1.22fr;
    gap: 24px;
    align-items: start;
}

.form-side {
    background: var(--secondary);
    color: #fff;
    border-radius: var(--radius-xl);
    padding: 32px;
    box-shadow: var(--shadow);
}

.form-side h2 {
    margin: 0;
    font-size: 30px;
    line-height: 1.3;
    letter-spacing: -1px;
}

.form-side p {
    color: rgba(255,255,255,0.78);
    margin: 14px 0 0;
}

.form-panel {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    padding: 30px;
    box-shadow: var(--shadow);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}

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

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

.form-field label {
    font-weight: 900;
    color: #374151;
}

.form-field input,
.form-field select,
.form-field textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 14px 15px;
    font-size: 15px;
    font-family: inherit;
    background: #fff;
    outline: none;
}

.form-field textarea {
    min-height: 150px;
    resize: vertical;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    border-color: rgba(37, 99, 235, 0.7);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.10);
}

.form-help {
    margin-top: 16px;
    font-size: 14px;
    color: var(--muted);
}

.complete-box {
    max-width: 760px;
    margin: 0 auto;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    padding: 42px;
    text-align: center;
    box-shadow: var(--shadow);
}

.complete-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 22px;
    border-radius: 24px;
    background: #dcfce7;
    color: #15803d;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 34px;
    font-weight: 900;
}

.complete-box h1 {
    margin: 0;
    font-size: 34px;
    letter-spacing: -1px;
}

.complete-box p {
    color: var(--muted);
    margin: 14px 0 0;
}

.summary-table {
    margin: 26px 0;
    border: 1px solid var(--line);
    border-radius: 18px;
    overflow: hidden;
    text-align: left;
}

.summary-row {
    display: grid;
    grid-template-columns: 140px 1fr;
    border-bottom: 1px solid var(--line);
}

.summary-row:last-child {
    border-bottom: 0;
}

.summary-row strong,
.summary-row span {
    padding: 14px 16px;
}

.summary-row strong {
    background: #f8fafc;
}

.faq-list {
    display: grid;
    gap: 14px;
}

.faq-card {
    padding: 24px;
}

.faq-card h3 {
    font-size: 19px;
}

.notice-box {
    padding: 18px 20px;
    border-radius: 18px;
    background: #fff7ed;
    border: 1px solid #fed7aa;
    color: #9a3412;
    margin-top: 18px;
}

.site-footer {
    background: #0f172a;
    color: #fff;
    margin-top: 70px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr repeat(3, 1fr);
    gap: 30px;
    padding: 46px 0;
}

.footer-brand strong {
    font-size: 24px;
    letter-spacing: -0.5px;
}

.footer-brand p {
    color: rgba(255,255,255,0.72);
}

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

.footer-col h3 {
    margin: 0 0 8px;
    font-size: 16px;
}

.footer-col a,
.footer-col span {
    color: rgba(255,255,255,0.72);
    font-size: 14px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.12);
    color: rgba(255,255,255,0.62);
    font-size: 13px;
}

.footer-bottom .container {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding: 18px 0;
}

@media (max-width: 980px) {
    .header-inner {
        flex-wrap: wrap;
        padding: 14px 0;
    }

    .brand {
        min-width: auto;
    }

    .main-nav {
        order: 3;
        width: 100%;
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 2px;
    }

    .main-nav a {
        white-space: nowrap;
    }

    .hero-grid,
    .form-wrap,
    .cta-box {
        grid-template-columns: 1fr;
    }

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

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

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

@media (max-width: 640px) {
    .container {
        width: min(100% - 28px, 1180px);
    }

    .header-cta {
        margin-left: auto;
    }

    .brand-text em {
        display: none;
    }

    .hero,
    .page-hero {
        padding: 56px 0 44px;
    }

    .hero p,
    .page-hero p {
        font-size: 16px;
    }

    .hero-actions,
    .section-actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .section {
        padding: 56px 0;
    }

    .card-grid,
    .card-grid.two,
    .price-grid,
    .step-grid,
    .preview-grid,
    .stats-row,
    .form-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .cta-box,
    .complete-box {
        padding: 28px 22px;
    }

    .form-panel,
    .form-side {
        padding: 24px 20px;
    }

    .summary-row {
        grid-template-columns: 1fr;
    }

    .summary-row strong {
        border-bottom: 1px solid var(--line);
    }

    .footer-bottom .container {
        flex-direction: column;
    }
}