/* ========================================
   RESET & BASE STYLES
   ======================================== */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-weight: 400;
    line-height: 1.7;
    color: #3a3a3a;
    background-color: #faf9f5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1, h2, h3 {
    font-weight: 600;
    line-height: 1.3;
    color: #1a1a1a;
}

h1 {
    font-size: 2.75rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2rem;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.25rem;
}

p {
    font-size: 1.125rem;
    color: #4a4a4a;
}

/* ========================================
   LAYOUT UTILITIES
   ======================================== */

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 8rem 0;
}

.section-light {
    background-color: #ffffff;
}

.section-cream {
    background-color: #fef9f3;
}

.section-blue-light {
    background-color: #f4f6f3;
}

.section-warm {
    background-color: #f0f2ef;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.section-intro {
    text-align: center;
    font-size: 1.25rem;
    color: #666;
    margin-bottom: 4rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
    display: inline-block;
    padding: 1.125rem 2.5rem;
    font-size: 1.125rem;
    font-weight: 500;
    font-family: 'Noto Sans KR', sans-serif;
    text-decoration: none;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #a8c9ad 0%, #bdd9c1 100%);
    color: #ffffff;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #98b99d 0%, #adc9b1 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(168, 201, 173, 0.35);
}

.btn-secondary {
    background-color: transparent;
    color: #a8c9ad;
    border: 2px solid #a8c9ad;
}

.btn-secondary:hover {
    background-color: #f7f9f6;
    transform: translateY(-2px);
    border-color: #98b99d;
    color: #98b99d;
}

.cta-group {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 3rem;
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
    background: linear-gradient(135deg, #faf9f5 0%, #f0f2ed 100%);
    padding: 10rem 0 8rem;
    text-align: center;
}

.hero-title {
    margin-bottom: 1.5rem;
    font-size: 3.5rem;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: #666;
    margin-bottom: 1.5rem;
    font-weight: 400;
}

.hero-supporting {
    font-size: 1.125rem;
    color: #888;
    margin-bottom: 2rem;
    font-weight: 300;
}

/* ========================================
   WHO THIS CLASS IS FOR
   ======================================== */

.audience-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.audience-item {
    background-color: #fbfcfa;
    padding: 2.5rem;
    border-radius: 12px;
    border-left: 4px solid #a8c9ad;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.audience-item:hover {
    background-color: #f5f9f4;
    transform: translateX(8px);
    box-shadow: 0 4px 12px rgba(168, 201, 173, 0.15);
}

.item-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.audience-item p {
    font-size: 1.25rem;
    line-height: 1.6;
    color: #2c2c2c;
}

/* ========================================
   PROGRAM FLOW
   ======================================== */

.flow-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto;
}

.flow-step {
    flex: 1;
    min-width: 200px;
    text-align: left;
    padding: 2rem 1.5rem;
    background-color: #ffffff;
    border-radius: 12px;
    border: 2px solid #e8e8e8;
}

.flow-number {
    display: inline-block;
    width: 50px;
    height: 50px;
    line-height: 50px;
    background: linear-gradient(135deg, #a8c9ad 0%, #bdd9c1 100%);
    color: #ffffff;
    border-radius: 50%;
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 12px rgba(168, 201, 173, 0.25);
}

.flow-title {
    margin-bottom: 1rem;
    color: #1a1a1a;
}

.flow-desc {
    font-size: 1rem;
    color: #666;
    line-height: 1.6;
}

.flow-arrow {
    font-size: 2rem;
    color: #c8dfd0;
    font-weight: 300;
}

/* ========================================
   PROPRIETARY CLASS APP
   ======================================== */

.app-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.app-feature {
    padding: 2rem;
    background-color: #fbfcfa;
    border-radius: 12px;
    text-align: left;
    border: 1px solid #e8f2ea;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
}

.app-feature:hover {
    background-color: #f5f9f4;
    transform: translateY(-4px);
    box-shadow: 0 6px 16px rgba(168, 201, 173, 0.12);
}

.feature-icon {
    font-size: 2.5rem;
}

.app-feature p {
    font-size: 1.125rem;
    color: #2c2c2c;
    line-height: 1.6;
}

.app-mockup {
    max-width: 600px;
    margin: 0 auto 4rem;
    padding: 2rem;
}

.app-mockup-centered {
    margin: 0 auto 4rem;
}

.mockup-screen {
    background-color: #ffffff;
    border: 3px solid #e0e0e0;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.mockup-header {
    background: linear-gradient(135deg, #a8c9ad 0%, #bdd9c1 100%);
    padding: 2rem;
    text-align: center;
}

.mockup-title {
    font-size: 1.5rem;
    color: #ffffff;
    font-weight: 600;
}

.mockup-content {
    padding: 3rem 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.mockup-step {
    background-color: #fbfcfa;
    padding: 1.5rem;
    border-radius: 8px;
    font-size: 1.125rem;
    color: #3a3a3a;
    border-left: 4px solid #a8c9ad;
}

.app-emphasis {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 500;
    color: #1a1a1a;
    margin-top: 2rem;
}

/* ========================================
   DIGITAL OUTCOMES
   ======================================== */

.outcomes-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.outcome-item {
    text-align: left;
    padding: 2.5rem 2rem;
    background-color: #ffffff;
    border-radius: 12px;
    border: 2px solid #e8f2ea;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.outcome-item:hover {
    border-color: #a8c9ad;
    box-shadow: 0 8px 24px rgba(168, 201, 173, 0.15);
    transform: translateY(-4px);
}

.outcome-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.outcome-item h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.outcome-item p {
    font-size: 1rem;
    color: #666;
}

/* ========================================
   TRANSITION FLOW
   ======================================== */

.transition-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-top: 3rem;
}

.transition-item {
    padding: 2rem 3rem;
    background: linear-gradient(135deg, #fbfcfa 0%, #f5f9f4 100%);
    border-radius: 12px;
    font-size: 1.25rem;
    font-weight: 500;
    color: #3a3a3a;
    border: 2px solid #e8f2ea;
    box-shadow: 0 2px 8px rgba(168, 201, 173, 0.08);
}

.transition-arrow {
    font-size: 2rem;
    color: #bdd9c1;
    font-weight: 300;
}

/* ========================================
   PHYSICAL GOODS PLACEHOLDERS
   ======================================== */

.goods-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto 3rem;
}

.goods-item {
    text-align: left;
}

.goods-placeholder {
    aspect-ratio: 1 / 1;
    background: linear-gradient(135deg, #fdfdfc 0%, #f9fbf8 100%);
    border: 3px dashed #c8dfd0;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}

.goods-placeholder:hover {
    background: linear-gradient(135deg, #f9fbf8 0%, #f3f7f2 100%);
    border-color: #bdd9c1;
    box-shadow: 0 4px 16px rgba(168, 201, 173, 0.15);
}

.placeholder-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.4;
}

.placeholder-text {
    font-size: 1rem;
    color: #999;
}

.goods-label {
    font-size: 1.25rem;
    font-weight: 500;
    color: #2c2c2c;
}

.goods-desc {
    font-size: 0.9375rem;
    color: #666;
    margin-top: 0.75rem;
    line-height: 1.6;
}

.goods-cta {
    background: linear-gradient(135deg, #fbfcfa 0%, #f5f9f4 100%);
    padding: 2.5rem 2rem;
    border-radius: 16px;
    text-align: left;
    margin: 3rem 0 2rem;
    border: 2px solid #e8f2ea;
}

.goods-cta-text {
    font-size: 1.375rem;
    font-weight: 600;
    color: #88b38d;
    margin-bottom: 0.75rem;
    line-height: 1.6;
}

.goods-cta-sub {
    font-size: 1.0625rem;
    color: #666;
    line-height: 1.7;
}

.goods-note {
    text-align: center;
    font-size: 1rem;
    color: #888;
    font-style: italic;
    margin-top: 2rem;
}

/* ========================================
   QR EXPLANATION SECTION
   ======================================== */

.qr-explanation {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    margin: 4rem 0;
    flex-wrap: wrap;
}

.qr-box {
    flex: 1;
    min-width: 220px;
    max-width: 300px;
    background-color: #ffffff;
    padding: 2.5rem 2rem;
    border-radius: 16px;
    text-align: center;
    border: 2px solid #e8f2ea;
    transition: all 0.3s ease;
}

.qr-box:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(168, 201, 173, 0.1);
}

.qr-box-highlight {
    background: linear-gradient(135deg, #fbfcfa 0%, #f5f9f4 100%);
    border-color: #a8c9ad;
    border-width: 3px;
}

.qr-visual {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.qr-box-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 1rem;
}

.qr-box-desc {
    font-size: 1rem;
    color: #666;
    line-height: 1.7;
}

.qr-plus, .qr-equals {
    font-size: 2.5rem;
    color: #a8c9ad;
    font-weight: 300;
}

/* ========================================
   GIFT SCENARIOS
   ======================================== */

.gift-scenarios {
    margin-top: 5rem;
    text-align: center;
}

.scenarios-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 3rem;
}

.scenario-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.scenario-item {
    background-color: #ffffff;
    padding: 2rem 1.5rem;
    border-radius: 12px;
    border: 2px solid #eff5f0;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
}

.scenario-item:hover {
    border-color: #a8c9ad;
    transform: translateY(-4px);
    box-shadow: 0 6px 20px rgba(168, 201, 173, 0.1);
}

.scenario-icon {
    font-size: 2.5rem;
}

.scenario-item p {
    font-size: 1.0625rem;
    color: #4a4a4a;
    line-height: 1.6;
    text-align: left;
}

/* ========================================
   TESTIMONIALS
   ======================================== */

.testimonials {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    max-width: 800px;
    margin: 0 auto;
}

.testimonial-item {
    background: linear-gradient(135deg, #fbfcfa 0%, #fff 100%);
    padding: 3rem;
    border-radius: 12px;
    text-align: left;
    border: 1px solid #e8f2ea;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
}

.testimonial-item:hover {
    box-shadow: 0 8px 24px rgba(168, 201, 173, 0.12);
    transform: translateY(-4px);
}

.testimonial-icon {
    font-size: 3rem;
}

.testimonial-text {
    font-size: 1.375rem;
    color: #2c2c2c;
    line-height: 1.7;
    font-weight: 400;
    font-style: italic;
}

/* ========================================
   FINAL CTA
   ======================================== */

.cta-final {
    background: linear-gradient(135deg, #faf9f5 0%, #f0f2ed 50%, #e8ebe5 100%);
    text-align: center;
}

.cta-final-title {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.cta-final-subtitle {
    font-size: 1.375rem;
    color: #666;
    margin-bottom: 2rem;
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
    background: linear-gradient(135deg, #7a8d7e 0%, #6a7a6d 100%);
    padding: 4rem 0;
    text-align: center;
}

.footer-tagline {
    font-size: 1.125rem;
    color: #d0d0d0;
    line-height: 1.7;
    font-weight: 300;
}

/* ========================================
   RESPONSIVE DESIGN - MOBILE FIRST
   ======================================== */

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }

    .container {
        padding: 0 1.5rem;
    }

    .section {
        padding: 5rem 0;
    }

    h1 {
        font-size: 2rem;
        line-height: 1.4;
        word-break: keep-all;
    }

    h2 {
        font-size: 1.625rem;
        line-height: 1.4;
        word-break: keep-all;
    }

    h3 {
        font-size: 1.125rem;
        word-break: keep-all;
    }

    p {
        font-size: 1rem;
        line-height: 1.8;
        word-break: keep-all;
    }

    .hero {
        padding: 5rem 0 4rem;
    }

    .hero-title {
        font-size: 2.25rem;
        line-height: 1.4;
        word-break: keep-all;
    }

    .hero-subtitle {
        font-size: 1.125rem;
        line-height: 1.6;
        word-break: keep-all;
    }

    .hero-supporting {
        font-size: 1rem;
        line-height: 1.7;
        word-break: keep-all;
    }

    .btn {
        padding: 1.125rem 2rem;
        font-size: 1.0625rem;
        white-space: nowrap;
    }

    .cta-group {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }

    .btn {
        width: 100%;
        max-width: 100%;
    }

    .flow-container {
        flex-direction: column;
        gap: 1.5rem;
    }

    .flow-arrow {
        transform: rotate(90deg);
        font-size: 1.5rem;
        margin: 0;
    }

    .flow-step {
        min-width: 100%;
        padding: 2rem 1.5rem;
        text-align: center;
    }

    .flow-title {
        font-size: 1.125rem;
        word-break: keep-all;
    }

    .flow-desc {
        font-size: 0.9375rem;
        word-break: keep-all;
    }

    .audience-item {
        padding: 2rem 1.5rem;
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .audience-item p {
        font-size: 1.0625rem;
        word-break: keep-all;
    }

    .item-icon {
        font-size: 2rem;
    }

    .transition-flow {
        flex-direction: column;
        gap: 1rem;
    }

    .transition-arrow {
        transform: rotate(90deg);
    }

    .transition-item {
        padding: 1.5rem 2rem;
        font-size: 1.125rem;
        word-break: keep-all;
    }

    .goods-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .goods-item {
        text-align: center;
    }

    .goods-label {
        font-size: 1.125rem;
        word-break: keep-all;
    }

    .goods-desc {
        font-size: 0.875rem;
    }

    .goods-cta {
        padding: 2rem 1.5rem;
        margin: 2.5rem 0 1.5rem;
        text-align: center;
    }

    .goods-cta-text {
        font-size: 1.125rem;
    }

    .goods-cta-sub {
        font-size: 1rem;
    }

    .goods-note {
        font-size: 0.9375rem;
        line-height: 1.7;
        word-break: keep-all;
    }

    .qr-explanation {
        flex-direction: column;
        gap: 1.5rem;
    }

    .qr-box {
        min-width: 100%;
        max-width: 100%;
    }

    .qr-plus, .qr-equals {
        transform: rotate(90deg);
        font-size: 2rem;
    }

    .gift-scenarios {
        margin-top: 3rem;
    }

    .scenarios-title {
        font-size: 1.5rem;
    }

    .scenario-list {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .scenario-item {
        text-align: center;
        align-items: center;
    }

    .scenario-item p {
        text-align: center;
    }

    .testimonial-item {
        padding: 2.5rem 2rem;
        text-align: center;
        align-items: center;
    }

    .testimonial-text {
        font-size: 1.125rem;
        line-height: 1.8;
        word-break: keep-all;
    }

    .cta-final-title {
        font-size: 2rem;
        line-height: 1.4;
        word-break: keep-all;
    }

    .cta-final-subtitle {
        font-size: 1.0625rem;
        line-height: 1.7;
        word-break: keep-all;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .container {
        padding: 0 1.25rem;
    }

    .section {
        padding: 4rem 0;
    }

    h1 {
        font-size: 1.75rem;
        line-height: 1.45;
    }

    h2 {
        font-size: 1.5rem;
        line-height: 1.45;
    }

    h3 {
        font-size: 1.0625rem;
    }

    p {
        font-size: 0.9375rem;
        line-height: 1.8;
    }

    .hero {
        padding: 4rem 0 3.5rem;
    }

    .hero-title {
        font-size: 1.875rem;
        line-height: 1.45;
        margin-bottom: 1.25rem;
    }

    .hero-subtitle {
        font-size: 1.0625rem;
        line-height: 1.65;
        margin-bottom: 1.25rem;
    }

    .hero-supporting {
        font-size: 0.9375rem;
        line-height: 1.75;
    }

    .section-title {
        margin-bottom: 2rem;
        font-size: 1.5rem;
    }

    .section-intro {
        font-size: 1rem;
        line-height: 1.7;
        margin-bottom: 2.5rem;
    }

    .btn {
        padding: 1rem 1.75rem;
        font-size: 1rem;
    }

    .outcomes-grid,
    .app-features {
        grid-template-columns: 1fr;
        gap: 1.75rem;
    }

    .outcome-item {
        padding: 2rem 1.5rem;
        text-align: center;
        align-items: center;
    }

    .outcome-item h3 {
        font-size: 1.0625rem;
        margin-bottom: 0.75rem;
    }

    .outcome-item p {
        font-size: 0.875rem;
    }

    .app-feature {
        padding: 1.75rem 1.5rem;
        text-align: center;
        align-items: center;
    }

    .app-feature p {
        font-size: 0.9375rem;
    }

    .mockup-content {
        padding: 2rem 1.25rem;
    }

    .mockup-step {
        font-size: 1rem;
        padding: 1.25rem;
    }

    .app-emphasis {
        font-size: 1.125rem;
        line-height: 1.6;
    }

    .flow-step {
        padding: 1.75rem 1.25rem;
    }

    .flow-number {
        width: 45px;
        height: 45px;
        line-height: 45px;
        font-size: 1rem;
    }

    .audience-item {
        padding: 1.75rem 1.25rem;
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
    }

    .item-icon {
        font-size: 1.875rem;
    }

    .feature-icon {
        font-size: 2rem;
    }

    .outcome-icon {
        font-size: 2.5rem;
    }

    .testimonial-icon {
        font-size: 2.5rem;
    }

    .testimonial-item {
        padding: 2rem 1.5rem;
    }

    .testimonial-text {
        font-size: 1.0625rem;
    }

    .transition-item {
        padding: 1.25rem 1.5rem;
        font-size: 1rem;
    }

    .cta-final-title {
        font-size: 1.75rem;
    }

    .cta-final-subtitle {
        font-size: 1rem;
    }

    .footer-tagline {
        font-size: 1rem;
        line-height: 1.8;
    }

    .qr-visual {
        font-size: 3rem;
    }

    .qr-box-title {
        font-size: 1.125rem;
    }

    .qr-box-desc {
        font-size: 0.9375rem;
    }

    .scenario-icon {
        font-size: 2rem;
    }

    .scenario-item p {
        font-size: 1rem;
    }

    .goods-cta {
        padding: 1.75rem 1.25rem;
    }

    .goods-cta-text {
        font-size: 1.0625rem;
    }

    .goods-cta-sub {
        font-size: 0.9375rem;
    }
}

/* ========================================
   ANIMATIONS
   ======================================== */

[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

[data-animate].animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   MODAL STYLES
   ======================================== */

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal-content {
    background-color: #ffffff;
    padding: 3rem;
    border-radius: 16px;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.4s ease;
    position: relative;
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-close {
    position: absolute;
    right: 1.5rem;
    top: 1.5rem;
    font-size: 2.5rem;
    font-weight: 300;
    color: #999;
    cursor: pointer;
    transition: color 0.3s ease;
    line-height: 1;
}

.modal-close:hover {
    color: #333;
}

.modal-title {
    margin-bottom: 2rem;
    color: #1a1a1a;
    font-size: 1.75rem;
}

/* ========================================
   CONTACT FORM
   ======================================== */

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 1rem;
    font-weight: 500;
    color: #2c2c2c;
}

.form-group input,
.form-group textarea {
    padding: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    font-family: 'Noto Sans KR', sans-serif;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #a8c9ad;
    box-shadow: 0 0 0 3px rgba(168, 201, 173, 0.08);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-submit {
    width: 100%;
    margin-top: 1rem;
}

/* ========================================
   BUTTON RIPPLE EFFECT
   ======================================== */

.btn {
    position: relative;
    overflow: hidden;
}

.ripple {
    position: absolute;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.6);
    width: 100px;
    height: 100px;
    margin-top: -50px;
    margin-left: -50px;
    animation: ripple-animation 0.6s;
    pointer-events: none;
}

@keyframes ripple-animation {
    from {
        transform: scale(0);
        opacity: 1;
    }
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* ========================================
   RESPONSIVE MODAL
   ======================================== */

@media (max-width: 768px) {
    .modal-content {
        padding: 2rem 1.5rem;
        width: 95%;
    }

    .modal-title {
        font-size: 1.5rem;
    }

    .modal-close {
        right: 1rem;
        top: 1rem;
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .modal-content {
        padding: 1.5rem 1rem;
    }

    .form-group label {
        font-size: 0.9375rem;
    }

    .form-group input,
    .form-group textarea {
        padding: 1rem;
        font-size: 1rem;
    }

    .modal-title {
        font-size: 1.375rem;
    }
}