/* General Styles */
:root {
    --primary-color: #007AFF;
    --primary-deep: #1d4ed8;
    --dark-bg: #1a1a1a;
    --light-text: #ffffff;
    --gray-text: #888888;
    --body-bg: #ffffff;
    --card-bg: #ffffff;
    --soft-bg: #f7faff;
    --border-color: #e8eef7;
    --text-main: #1f2937;
    --text-sub: #667085;
    --shadow-soft: 0 18px 40px rgba(15, 23, 42, 0.08);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--body-bg);
    color: var(--text-main);
    line-height: 1.6;
}

body.modal-open {
    overflow: hidden;
}

.subpage-body {
    background: linear-gradient(180deg, #f6f9ff 0%, #ffffff 240px);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.narrow-container {
    max-width: 920px;
}

/* Navigation */
nav {
    height: 70px;
    display: flex;
    align-items: center;
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid #eee;
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    width: 32px;
    height: 32px;
    object-fit: contain;
    display: block;
}

.logo-text {
    line-height: 1;
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: #111;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-size: 0.95rem;
}

.btn-download-small {
    background: var(--primary-color);
    color: white !important;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 500;
}

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.96);
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: #111827;
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
    transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
    padding: 0;
}

.nav-toggle:hover {
    background: #ffffff;
    box-shadow: 0 14px 30px rgba(15, 23, 42, 0.12);
}

.nav-toggle i {
    font-size: 1.1rem;
    line-height: 1;
    pointer-events: none;
}

/* Hero */
.hero {
    padding: 150px 0 100px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    text-align: left;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    gap: 50px;
}

.hero-text h1 {
    font-size: 3.5rem;
    line-height: 1.12;
    margin-bottom: 20px;
}

.hero-title-line {
    display: block;
    white-space: nowrap;
    font-size: 0.88em;
    color: #111;
}

.hero-title-brand {
    display: block;
    color: var(--primary-color);
}

.hero-text p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 28px;
}

.btn-appstore {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0a84ff 0%, #2563eb 55%, #1d4ed8 100%);
    color: white;
    padding: 10px 34px;
    border-radius: 14px;
    text-decoration: none;
    gap: 12px;
    min-width: 290px;
    box-shadow: 0 14px 30px rgba(37, 99, 235, 0.28);
}

.btn-appstore i {
    font-size: 1.8rem;
}

.btn-appstore span {
    font-size: 0.8rem;
    display: block;
}

.btn-appstore strong {
    font-size: 1.1rem;
    display: block;
}

.mockup {
    width: 100%;
    max-width: 300px;
    border-radius: 40px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.0);
    display: block;
    margin: 0 auto;
}

/* Sections */
.features,
.guide,
.screenshots,
.policy-page,
.qa-page {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-sub);
    margin-bottom: 44px;
    font-size: 1.02rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature-card {
    text-align: center;
    padding: 40px;
    background: #f9f9f9;
    border-radius: 20px;
    transition: transform 0.3s, box-shadow 0.3s, background 0.3s;
    border: 1px solid transparent;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
}

.feature-trigger {
    width: 100%;
    cursor: pointer;
    appearance: none;
    color: inherit;
}

.feature-trigger:hover {
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.10);
    background: #ffffff;
    border-color: rgba(43, 92, 255, 0.08);
}

/* Feature Modal */
.feature-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
}

.feature-modal.is-open {
    opacity: 1;
    visibility: visible;
}

.feature-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(7, 13, 27, 0.48);
    backdrop-filter: blur(10px);
}

.feature-modal-dialog {
    position: relative;
    width: min(960px, 100%);
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid rgba(255, 255, 255, 0.65);
    border-radius: 28px;
    overflow: hidden;
    box-shadow: 0 30px 80px rgba(15, 23, 42, 0.28);
    display: grid;
    grid-template-columns: 1.08fr 0.92fr;
    z-index: 1;
}

.feature-modal-media {
    background: linear-gradient(180deg, #f5f8ff 0%, #eef4ff 100%);
    min-height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 28px;
}

.feature-modal-media img {
    width: 100%;
    max-width: 100%;
    height: auto;
    max-height: 620px;
    object-fit: contain;
    display: block;
    margin: 0 auto;
}

.feature-modal-copy {
    padding: 42px 38px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.feature-modal-label {
    display: inline-block;
    margin-bottom: 14px;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--primary-color);
}

.feature-modal-copy h3 {
    font-size: 2rem;
    line-height: 1.15;
    margin-bottom: 16px;
    color: #111827;
}

.feature-modal-copy p {
    font-size: 1.02rem;
    color: var(--text-sub);
}

.feature-modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 42px;
    height: 42px;
    border: 0;
    border-radius: 999px;
    background: rgba(17, 24, 39, 0.08);
    color: #111827;
    cursor: pointer;
    z-index: 2;
}

/* Guide */
.guide {
    background: #f8fbff;
}

.guide-list {
    max-width: 980px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.guide-item {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 22px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.guide-item summary {
    list-style: none;
    cursor: pointer;
    padding: 22px 26px;
    font-size: 1.05rem;
    font-weight: 700;
    color: #111827;
    position: relative;
    padding-right: 62px;
}

.guide-item summary::-webkit-details-marker {
    display: none;
}

.guide-number {
    display: inline-block;
    min-width: 28px;
    color: var(--text-sub);
}

.guide-item summary::after {
    content: "+";
    position: absolute;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary-color);
    font-size: 1.5rem;
    line-height: 1;
    transition: transform 0.2s ease;
}

.guide-item[open] summary::after {
    content: "–";
}

.guide-content {
    padding: 0 26px 26px;
    color: #5b6472;
    animation: guideFade 0.25s ease;
}

.guide-body {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 24px;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 24px;
}

.guide-body img {
    width: 100%;
    display: block;
    border-radius: 18px;
    box-shadow: 0 10px 24px rgba(37, 99, 235, 0.12);
}

.guide-copy h3 {
    font-size: 1.35rem;
    margin-bottom: 12px;
    color: #111827;
}

.guide-copy p {
    color: var(--text-sub);
    margin-bottom: 16px;
}

.guide-copy ul {
    padding-left: 18px;
    color: var(--text-main);
}

.guide-copy li + li {
    margin-top: 8px;
}

@keyframes guideFade {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Screenshots */
.screenshots {
    background: #fff;
}

.screenshot-gallery {
    display: flex;
    overflow-x: auto;
    gap: 20px;
    padding: 20px 0;
    scrollbar-width: none;
}

.screenshot-gallery::-webkit-scrollbar {
    display: none;
}

.screenshot-gallery img {
    border-radius: 20px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Subpages */
.page-hero {
    padding-top: 60px;
    margin-bottom: 26px;
}

.page-eyebrow {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.page-hero h1 {
    font-size: 3rem;
    line-height: 1.1;
    margin-bottom: 10px;
}

.page-hero p {
    color: var(--text-sub);
    font-size: 1.05rem;
}

.policy-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 28px;
    padding: 34px;
    box-shadow: var(--shadow-soft);
}

.policy-card h2 {
    font-size: 1.35rem;
    margin-top: 28px;
    margin-bottom: 12px;
}

.policy-card p,
.policy-card li {
    color: #4b5563;
}

.policy-card ul {
    padding-left: 22px;
}

.policy-card li + li {
    margin-top: 8px;
}

.policy-card a {
    color: var(--primary-color);
    text-decoration: none;
}

/* Footer */
footer {
    background: #f5f5f7;
    padding: 60px 0;
    color: #666;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 28px;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 16px;
}

.footer-links {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.footer-links a {
    text-decoration: none;
    color: #2643a2;
    font-size: 0.95rem;
    padding: 10px 16px;
    border-radius: 999px;
    background: #ffffff;
    border: 1px solid #dbe6ff;
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.08);
}

.footer-email a {
    text-decoration: none;
    color: #556070;
    font-size: 0.95rem;
}



.section-eyebrow {
    display: block;
    text-align: center;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.hero-image {
    display: flex;
    justify-content: center;
    overflow: hidden;
    border-radius: 40px;
}

.mockup {
    transition: transform 0.45s ease;
    transform-origin: center center;
}

.hero-image:hover .mockup {
    transform: scale(1.00);
}

.workflow {
    padding: 100px 0;
    background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.workflow-steps {
    position: relative;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 34px;
    margin-top: 52px;
}

.workflow-steps::before {
    content: "";
    position: absolute;
    top: 42px;
    left: 16.66%;
    right: 16.66%;
    border-top: 1px dashed #d7e3fb;
    z-index: 0;
}

.workflow-step {
    position: relative;
    text-align: center;
    padding: 0 18px;
    z-index: 1;
}

.workflow-icon {
    width: 84px;
    height: 84px;
    margin: 0 auto 18px;
    border-radius: 999px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    border: 1px solid #dbe6ff;
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
    color: var(--primary-color);
    font-size: 1.8rem;
}

.workflow-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 12px;
    border-radius: 999px;
    background: #eef4ff;
    color: #64748b;
    font-size: 0.84rem;
    font-weight: 700;
    margin-bottom: 14px;
}

.workflow-step h3 {
    font-size: 1.7rem;
    line-height: 1.2;
    margin-bottom: 12px;
    color: #111827;
}

.workflow-step p {
    color: var(--text-sub);
    font-size: 1rem;
}

.privacy-inline {
    margin-top: 64px;
    display: flex;
    align-items: center;
    gap: 20px;
    max-width: 860px;
    margin-left: auto;
    margin-right: auto;
    padding-top: 40px;
    border-top: 1px solid #dbe6ff;
}

.privacy-inline-icon {
    flex: 0 0 72px;
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 2rem;
    line-height: 1;
}

.privacy-inline-copy {
    flex: 1;
}

.privacy-inline-copy .section-eyebrow {
    text-align: left;
}

.privacy-inline-copy h3 {
    font-size: 2rem;
    line-height: 1.15;
    margin-bottom: 12px;
    color: #111827;
}

.privacy-inline-copy p {
    color: var(--text-sub);
    font-size: 1.02rem;
}

.privacy-copy h2 {
    font-size: 2rem;
    line-height: 1.15;
    margin-bottom: 12px;
    color: #111827;
}

.privacy-copy p {
    color: var(--text-sub);
    font-size: 1.02rem;
}


/* Responsive */
@media (max-width: 900px) {
    .guide-body,
    .feature-modal-dialog,
    .privacy-highlight-card {
        grid-template-columns: 1fr;
    }

    .feature-modal-media img {
		max-height: 300px;
		width: auto;
		max-width: 100%;
	}

    .workflow-steps {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .workflow-steps::before {
        display: none;
    }

    .workflow-step {
        padding: 0;
    }

    .privacy-highlight-card {
        text-align: center;
    }

    .privacy-icon {
        margin: 0 auto;
    }

    .privacy-copy .section-eyebrow,
    .privacy-copy h2,
    .privacy-copy p {
        text-align: center;
    }
}

@media (max-width: 768px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }

    .hero-title-line {
        white-space: normal;
    }

    .btn-appstore {
        min-width: 250px;
        padding: 10px 24px;
    }

    .nav-toggle {
        display: inline-flex;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 20px;
        right: 20px;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(12px);
        border: 1px solid var(--border-color);
        border-radius: 20px;
        box-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
        padding: 14px;
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }

    .nav-links.is-open {
        display: flex;
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        display: flex;
        width: 100%;
        justify-content: center;
        padding: 12px 14px;
        border-radius: 14px;
    }

    .nav-links .btn-download-small {
        justify-content: center;
    }

    .page-hero h1 {
        font-size: 2.3rem;
    }

    .policy-card {
        padding: 24px;
        border-radius: 22px;
    }

    .feature-grid {
        gap: 18px;
    }

    .feature-card {
        padding: 28px 22px;
    }

    .feature-modal {
        padding: 16px;
    }

    .feature-modal-copy {
        padding: 26px 22px 28px;
    }

    .feature-modal-copy h3 {
        font-size: 1.55rem;
    }

    .workflow,
    .privacy-highlight {
        padding: 80px 0;
    }

    .workflow-step h3 {
        font-size: 1.5rem;
    }

    .privacy-highlight-card {
        padding: 30px 24px;
        border-radius: 24px;
    }

    .privacy-copy h2 {
        font-size: 1.7rem;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }

    .footer-contact {
        align-items: center;
    }

    .footer-links {
        justify-content: center;
    }
}
/* 맨 아래 기존 끝부분 */

.plan-comparison {
    padding: 110px 0;
    background: linear-gradient(180deg, #ffffff 0%, #f7f8fc 100%);
}

.plan-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
    margin-top: 42px;
}

.plan-card {
    position: relative;
    padding: 32px 28px;
    border-radius: 28px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(10px);
}

.plan-card.pro {
    border-color: rgba(0, 150, 50, 0.24);
    box-shadow: 0 22px 55px rgba(0, 150, 50, 0.12);
}

.plan-header h3 {
    margin: 14px 0 8px;
    font-size: 1.9rem;
    font-weight: 800;
    color: #111827;
}

.plan-header p {
    margin: 0;
    color: #6b7280;
    line-height: 1.7;
}

.plan-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 72px;
    height: 34px;
    padding: 0 14px;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    background: #f3f4f6;
    color: #374151;
}

.plan-card.pro .plan-badge {
    background: rgba(0, 204, 22, 0.52);
    color: #ffffff;
}

.plan-list {
    list-style: none;
    padding: 0;
    margin: 28px 0 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.plan-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #1f2937;
    font-weight: 600;
    line-height: 1.5;
}

.plan-list li i {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: rgba(255, 122, 0, 0.1);
    color: #ff7a00;
    font-size: 0.8rem;
}

@media (max-width: 900px) {
    .plan-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 520px) {
    .plan-comparison {
        padding: 88px 0;
    }

    .plan-card {
        padding: 26px 20px;
        border-radius: 22px;
    }

    .plan-header h3 {
        font-size: 1.6rem;
    }
}