@import url('https://fonts.googleapis.com/css2?family=Prompt:wght@300;400;500;600;700&family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
    --primary-color: #2563EB;
    --primary-dark: #1E40AF;
    --primary-light: #60A5FA;
    --secondary-color: #10B981;
    --accent-color: #7C3AED;
    --text-dark: #111827;
    --text-medium: #4B5563;
    --text-light: #9CA3AF;
    --bg-light: #F9FAFB;
    --bg-white: #FFFFFF;
    --bg-dark: #0F172A;
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px rgba(0, 0, 0, 0.15);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    --gradient-secondary: linear-gradient(135deg, var(--secondary-color), var(--primary-light));
}

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

body {
    font-family: 'Prompt', 'Poppins', sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-dark);
    background-color: var(--bg-light);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
}

ul {
    list-style: none;
}

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

.GAPB-container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 30px;
}

.GAPB-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 50px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.GAPB-header.scrolled {
    padding: 18px 50px;
    box-shadow: var(--shadow-md);
}

.GAPB-logo {
    height: 50px;
}

.GAPB-logo-container {
    display: flex;
    align-items: center;
}

.GAPB-nav-list {
    display: flex;
    gap: 40px;
}

.GAPB-nav-item a {
    color: var(--text-dark);
    font-weight: 500;
    font-size: 16px;
    position: relative;
    padding: 8px 0;
    letter-spacing: 0.3px;
}

.GAPB-nav-item a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
    opacity: 0;
}

.GAPB-nav-item a:hover {
    color: var(--primary-color);
}

.GAPB-nav-item a:hover::after,
.GAPB-nav-item.GAPB-active a::after {
    width: 100%;
    opacity: 1;
}

.GAPB-nav-item.GAPB-active a {
    color: var(--primary-color);
    font-weight: 600;
}

.GAPB-mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    height: 20px;
    cursor: pointer;
    z-index: 1002;
}

.GAPB-mobile-menu-btn span {
    display: block;
    width: 30px;
    height: 2px;
    background-color: var(--text-dark);
    transition: var(--transition);
}

/* App Hero Section */
.GAPB-app-hero {
    padding: 160px 0 100px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, rgba(124, 58, 237, 0.1) 50%, rgba(16, 185, 129, 0.1) 100%);
    position: relative;
    overflow: hidden;
}

.GAPB-app-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.GAPB-app-hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.GAPB-app-hero-text {
    animation: fadeInUp 0.8s ease-out;
}

.GAPB-app-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 25px;
    line-height: 1.2;
}

.GAPB-app-subtitle {
    font-size: 1.4rem;
    color: var(--text-medium);
    margin-bottom: 40px;
    line-height: 1.6;
}

.GAPB-app-hero-images {
    display: flex;
    gap: 20px;
    justify-content: center;
    animation: fadeInRight 0.8s ease-out;
}

.GAPB-app-screenshot {
    max-width: 250px;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s ease;
}

.GAPB-app-screenshot:hover {
    transform: translateY(-10px) scale(1.05);
}

.GAPB-btn {
    display: inline-block;
    padding: 16px 36px;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    text-align: center;
    letter-spacing: 0.3px;
    position: relative;
    overflow: hidden;
    z-index: 1;
    border: none;
}

.GAPB-btn-download {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.25);
}

.GAPB-btn-download:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(37, 99, 235, 0.35);
}

.GAPB-btn-download-large {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.25);
    padding: 20px 50px;
    font-size: 1.2rem;
}

.GAPB-btn-download-large:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(37, 99, 235, 0.35);
}

/* Description Section */
.GAPB-app-description {
    padding: 100px 0;
    background-color: var(--bg-white);
}

.GAPB-section-header {
    text-align: center;
    margin-bottom: 60px;
}

.GAPB-section-title {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-dark);
    position: relative;
    display: inline-block;
}

.GAPB-section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.GAPB-section-subtitle {
    font-size: 1.25rem;
    color: var(--text-medium);
    max-width: 650px;
    margin: 0 auto;
    padding-top: 30px;
    line-height: 1.6;
}

.GAPB-description-content {
    max-width: 900px;
    margin: 0 auto;
}

.GAPB-description-text {
    font-size: 1.1rem;
    color: var(--text-medium);
    margin-bottom: 25px;
    line-height: 1.8;
}

.GAPB-notice-box {
    background: linear-gradient(135deg, #FEF3C7 0%, #FDE68A 100%);
    border-left: 4px solid #F59E0B;
    padding: 25px 30px;
    border-radius: var(--radius-md);
    margin-top: 40px;
}

.GAPB-notice-text {
    color: var(--text-dark);
    line-height: 1.8;
    font-size: 1.05rem;
}

/* Features Section */
.GAPB-app-features {
    padding: 100px 0;
    background-color: var(--bg-light);
}

.GAPB-features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.GAPB-feature-card {
    background: var(--bg-white);
    padding: 40px 30px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.GAPB-feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.GAPB-feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.GAPB-feature-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.GAPB-feature-desc {
    color: var(--text-medium);
    line-height: 1.6;
}

.GAPB-loan-info {
    background: var(--bg-white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.GAPB-loan-info-item {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    align-items: flex-start;
}

.GAPB-loan-info-item:last-child {
    margin-bottom: 0;
}

.GAPB-loan-label {
    font-weight: 600;
    color: var(--primary-color);
    min-width: 120px;
}

.GAPB-loan-value {
    color: var(--text-medium);
    flex: 1;
}

/* Steps Section */
.GAPB-app-steps {
    padding: 100px 0;
    background-color: var(--bg-white);
}

.GAPB-steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.GAPB-step-card {
    background-color: var(--bg-white);
    padding: 40px 30px;
    border-radius: var(--radius-lg);
    text-align: center;
    position: relative;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.GAPB-step-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.GAPB-step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0 auto 25px;
}

.GAPB-step-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.GAPB-step-desc {
    color: var(--text-medium);
    line-height: 1.6;
}

/* Screenshots Section */
.GAPB-app-screenshots {
    padding: 100px 0;
    background-color: var(--bg-white);
}

.GAPB-screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.GAPB-screenshot-item {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.GAPB-screenshot-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.GAPB-screenshot-img {
    width: 100%;
    height: auto;
    display: block;
}

/* Loan Details Section */
.GAPB-loan-details {
    padding: 100px 0;
    background-color: var(--bg-white);
}

.GAPB-loan-details-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.GAPB-loan-detail-card {
    background-color: var(--bg-white);
    padding: 40px 30px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.GAPB-loan-detail-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.GAPB-loan-detail-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.GAPB-loan-detail-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.GAPB-loan-detail-value {
    color: var(--text-medium);
    line-height: 1.6;
    font-size: 1.1rem;
}

/* Calculation Example Section */
.GAPB-calculation-example {
    padding: 100px 0;
    background-color: var(--bg-light);
}

.GAPB-calculation-box {
    max-width: 900px;
    margin: 0 auto;
    background: var(--bg-white);
    padding: 50px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.GAPB-calculation-header {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--primary-light);
}

.GAPB-calculation-header h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 600;
}

.GAPB-calculation-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.GAPB-calculation-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: #F9FAFB;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.GAPB-calculation-item:hover {
    background: rgba(37, 99, 235, 0.05);
}

.GAPB-calculation-item.highlight {
    background: var(--gradient-primary);
    color: white;
}

.GAPB-calculation-item.highlight .GAPB-calculation-label,
.GAPB-calculation-item.highlight .GAPB-calculation-value {
    color: white;
    font-weight: 600;
}

.GAPB-calculation-label {
    font-weight: 500;
    color: var(--text-dark);
}

.GAPB-calculation-value {
    font-weight: 600;
    color: var(--primary-color);
    text-align: right;
}

/* Important Notice Section */
.GAPB-important-notice {
    padding: 80px 0;
    background-color: var(--bg-white);
}

.GAPB-notice-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.GAPB-notice-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 25px;
}

.GAPB-notice-text {
    font-size: 1.1rem;
    color: var(--text-medium);
    line-height: 1.8;
}

/* Security Section */
.GAPB-security {
    padding: 100px 0;
    background-color: var(--bg-light);
}

.GAPB-security-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.GAPB-security-text {
    font-size: 1.1rem;
    color: var(--text-medium);
    line-height: 1.8;
}

/* CTA Section */
.GAPB-app-cta {
    padding: 120px 0;
    background: var(--gradient-primary);
    color: white;
    text-align: center;
}

.GAPB-cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.GAPB-cta-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 25px;
    color: white;
}

.GAPB-cta-text {
    font-size: 1.3rem;
    margin-bottom: 50px;
    opacity: 0.95;
}

/* Footer */
.GAPB-footer {
    width: 100%;
    background-color: var(--bg-dark);
    color: white;
    padding: 100px 0 40px;
    position: relative;
    overflow: hidden;
}

.GAPB-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient-primary);
}

.GAPB-footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 60px;
    margin-bottom: 80px;
}

.GAPB-footer-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 30px;
    position: relative;
    padding-bottom: 15px;
    color: white;
}

.GAPB-footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 1.5px;
}

.GAPB-footer-desc {
    margin-top: 25px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    font-size: 1.05rem;
}

.GAPB-contact-info {
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.05rem;
    line-height: 1.6;
}

.GAPB-footer-links li {
    margin-bottom: 15px;
    position: relative;
    padding-left: 20px;
}

.GAPB-footer-links li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background-color: var(--primary-light);
    border-radius: 50%;
}

.GAPB-footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
    font-size: 1.05rem;
    position: relative;
    padding-left: 0;
}

.GAPB-footer-links a::before {
    content: '';
    position: absolute;
    top: 50%;
    left: -10px;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
    border-left: 6px solid var(--primary-light);
    opacity: 0;
    transition: var(--transition);
}

.GAPB-footer-links a:hover {
    color: white;
    padding-left: 15px;
}

.GAPB-footer-links a:hover::before {
    opacity: 1;
    left: 0;
}

.GAPB-social-links {
    display: flex;
    gap: 20px;
}

.GAPB-social-link {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
    font-size: 1.05rem;
    display: flex;
    align-items: center;
}

.GAPB-social-link:hover {
    color: white;
    transform: translateY(-3px);
}

.GAPB-copyright {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 1rem;
}

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

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

/* Responsive Design */
@media (max-width: 1200px) {
    .GAPB-app-hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .GAPB-app-hero-images {
        justify-content: center;
    }

    .GAPB-features-grid,
    .GAPB-steps-grid,
    .GAPB-loan-details-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .GAPB-app-title {
        font-size: 2.8rem;
    }

    .GAPB-section-title {
        font-size: 2.3rem;
    }

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

@media (max-width: 768px) {
    .GAPB-header {
        padding: 15px 20px;
    }

    .GAPB-nav {
        position: fixed;
        top: 0;
        right: -300px;
        width: 300px;
        height: 100vh;
        background-color: white;
        box-shadow: var(--shadow-lg);
        transition: right 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
        z-index: 1001;
        padding: 100px 40px 40px;
    }

    .GAPB-nav.active {
        right: 0;
    }

    .GAPB-nav-list {
        flex-direction: column;
        gap: 25px;
    }

    .GAPB-mobile-menu-btn {
        display: flex;
    }

    .GAPB-mobile-menu-btn.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }

    .GAPB-mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .GAPB-mobile-menu-btn.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }

    .GAPB-app-hero {
        padding: 120px 0 60px;
    }

    .GAPB-app-title {
        font-size: 2.3rem;
    }

    .GAPB-app-subtitle {
        font-size: 1.1rem;
    }

    .GAPB-app-hero-images {
        flex-direction: column;
        align-items: center;
    }

    .GAPB-app-screenshot {
        max-width: 200px;
    }

    .GAPB-features-grid,
    .GAPB-steps-grid,
    .GAPB-loan-details-grid {
        grid-template-columns: 1fr;
    }

    .GAPB-calculation-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .GAPB-calculation-value {
        text-align: left;
    }

    .GAPB-cta-title {
        font-size: 2.2rem;
    }

    .GAPB-cta-text {
        font-size: 1.1rem;
    }
}

@media (max-width: 576px) {
    .GAPB-container {
        padding: 0 20px;
    }

    .GAPB-app-title {
        font-size: 1.8rem;
    }

    .GAPB-section-title {
        font-size: 1.8rem;
    }

    .GAPB-calculation-box {
        padding: 30px 20px;
    }

    .GAPB-footer-grid {
        grid-template-columns: 1fr;
    }
}