/* Core brand colors - chỉnh ở đây cho khớp với logo */
:root {
    --primary: #2A59A5;
    --primary-dark: #1F3F7A;
    --secondary: #F5A21E;
    --accent: #FFF7E6;
    --dark: #1A2332;
    --light: #F8FAFB;
    --gray: #6B7280;
    --white: #FFFFFF;
    /* Không dùng gradient nữa, giữ biến cho đồng bộ */
    --gradient-blue: var(--primary);
    --gradient-soft: #F5F7FB;
}

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

body {
    font-family: 'Lexend', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 16px;
    color: var(--dark);
    background: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

.serif {
    font-family: 'Lexend', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(11, 143, 172, 0.1);
    animation: slideDown 0.6s ease;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.2rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.logo img {
    height: 40px;
    width: auto;
    display: block;
}

.logo span {
    color: var(--primary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 10px;
    background: none;
    border: none;
    cursor: pointer;
    border-radius: 8px;
    transition: background 0.2s;
}
.nav-toggle:hover {
    background: rgba(42, 89, 165, 0.08);
}
.nav-toggle-bar {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--dark);
    border-radius: 1px;
    transition: transform 0.3s, opacity 0.3s;
}
nav.nav-open .nav-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
nav.nav-open .nav-toggle-bar:nth-child(2) {
    opacity: 0;
}
nav.nav-open .nav-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-blue);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

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

.cta-nav {
    background: var(--gradient-blue);
    color: var(--white) !important;
    padding: 0.7rem 1.8rem;
    border-radius: 50px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.cta-nav::after {
    display: none;
}

.cta-nav:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(11, 143, 172, 0.3);
}

/* Hero Section */
.hero {
    margin-top: 80px;
    min-height: 90vh;
    display: flex;
    align-items: center;
    background: var(--gradient-soft);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: transparent;
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    50% {
        transform: translate(-50px, -50px) rotate(180deg);
    }
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 2rem;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    animation: fadeInUp 0.8s ease 0.2s both;
}

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

.hero-badge {
    display: inline-block;
    background: var(--accent);
    color: var(--secondary);
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease 0.3s both;
}

.hero h1 {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--dark);
    letter-spacing: -0.03em;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero h1 .highlight {
    color: var(--primary);
    font-family: 'Lexend', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
/*    font-style: italic;
*/}

.hero p {
    font-size: 1.05rem;
    color: var(--gray);
    margin-bottom: 2.5rem;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease 0.5s both;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.btn {
    padding: 0.9rem 2.1rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--gradient-blue);
    color: var(--white);
    box-shadow: 0 10px 30px rgba(42, 89, 165, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(42, 89, 165, 0.4);
}

.btn-secondary {
    background: var(--white);
    color: var(--secondary);
    border: 2px solid var(--secondary);
}

.btn-secondary:hover {
    background: var(--secondary);
    color: var(--white);
    transform: translateY(-3px);
}

.hero-stats {
    display: flex;
    gap: 3rem;
    margin-top: 3rem;
    animation: fadeInUp 0.8s ease 0.7s both;
}

.stat {
    text-align: left;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--gray);
    margin-top: 0.3rem;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    animation: fadeInRight 0.8s ease 0.4s both;
}

.hero-banner {
    position: relative;
    display: inline-block;
}

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

.hero-banner-img {
    position: relative;
    line-height: 0;
}

.hero-banner-img img {
    display: block;
    max-height: 550px;
    width: auto;
    height: auto;
    object-fit: contain;
}

.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.95);
    padding: 1.2rem 1.5rem;
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
    animation: floatCard 3s ease-in-out infinite;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

@keyframes floatCard {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

.floating-card-1 {
    top: 18%;
    left: -40%;
    animation-delay: 0s;
}

.floating-card-2 {
    top: 52%;
    right: -40%;
    animation-delay: 1.5s;
}

.floating-card-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-blue);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    flex-shrink: 0;
}

.floating-card-title {
    font-weight: 700;
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
}

.floating-card-desc {
    font-size: 0.8rem;
    color: var(--gray);
}

/* Features Section */
.features {
    padding: 8rem 2rem;
    background: var(--white);
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 5rem;
}

.section-badge {
    display: inline-block;
    background: var(--accent);
    color: var(--secondary);
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--gray);
    line-height: 1.8;
}

.features-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

.feature-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 30px;
    border: 1px solid rgba(42, 89, 165, 0.1);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-blue);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 0;
}

.feature-card:hover::before {
    opacity: 0.03;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 60px rgba(42, 89, 165, 0.15);
    border-color: var(--primary);
}

.feature-card > * {
    position: relative;
    z-index: 1;
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-blue);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1.5rem;
    transition: transform 0.4s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark);
}

.feature-desc {
    color: var(--gray);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.feature-link {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: gap 0.3s ease;
}

.feature-link:hover {
    gap: 1rem;
}

/* How It Works */
.how-it-works {
    padding: 4rem 2rem;
    background: var(--gradient-soft);
    position: relative;
    overflow: hidden;
}

.how-it-works::before {
    content: '';
    position: absolute;
    top: 0;
    left: -10%;
    width: 600px;
    height: 600px;
    background: transparent;
    border-radius: 50%;
}

.steps-container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
    margin-top: 4rem;
}

.step {
    text-align: center;
    position: relative;
}

.step::after {
    content: '';
    position: absolute;
    top: 50px;
    right: -1.5rem;
    width: 100%;
    height: 2px;
    background: linear-gradient(to right, var(--primary) 0%, transparent 100%);
}

.step:last-child::after {
    display: none;
}

.step-number {
    width: 100px;
    height: 100px;
    background: var(--gradient-blue);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    font-weight: 800;
    margin: 0 auto 1.5rem;
    box-shadow: 0 20px 40px rgba(42, 89, 165, 0.3);
    position: relative;
    z-index: 1;
}

.step-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
}

.step-desc {
    color: var(--gray);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* Benefits Section */
.benefits {
    padding: 8rem 2rem;
    background: var(--white);
}

.benefits-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
}

.benefits-content h2 {
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: 2rem;
    line-height: 1.2;
}

.benefits-list {
    list-style: none;
    margin-top: 3rem;
}

.benefit-item {
    display: flex;
    align-items: start;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.benefit-item:hover {
    background: rgba(42, 89, 165, 0.05);
    transform: translateX(10px);
}

.benefit-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-blue);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.benefit-text h4 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.benefit-text p {
    color: var(--gray);
    font-size: 0.95rem;
    line-height: 1.7;
}

.benefits-visual {
    position: relative;
}

.benefits-image {
    width: 100%;
    border-radius: 30px;
    box-shadow: 0 30px 80px rgba(42, 89, 165, 0.2);
}

/* Testimonials */
.testimonials {
    padding: 4rem 2rem;
    background: var(--gradient-soft);
    position: relative;
}

.testimonials-container {
    max-width: 1400px;
    margin: 0 auto;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    margin-top: 4rem;
}

.testimonial-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 30px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.testimonial-stars {
    color: #FFC107;
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.testimonial-text {
    font-size: 0.98rem;
    line-height: 1.7;
    color: var(--dark);
    margin-bottom: 2rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: var(--gradient-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: 1.2rem;
}

.author-info h5 {
    font-weight: 700;
    margin-bottom: 0.2rem;
}

.author-info p {
    font-size: 0.9rem;
    color: var(--gray);
}

/* CTA Section */
.cta-section {
    padding: 8rem 2rem;
    background: var(--gradient-blue);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: transparent;
    border-radius: 50%;
}

.cta-container {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-container h2 {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.cta-container p {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 3rem;
    line-height: 1.8;
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-white {
    background: var(--white);
    color: var(--primary);
}

.btn-white:hover {
    background: rgba(255, 255, 255, 0.95);
    transform: translateY(-3px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.app-stores {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-top: 3rem;
}

.app-stores a {
    text-decoration: none;
    display: inline-block;
    transition: transform 0.3s ease;
}

.app-stores a:hover {
    transform: translateY(-5px);
}

.store-badge {
    height: 60px;
    transition: transform 0.3s ease;
    filter: brightness(0) invert(1);
    opacity: 0.9;
}

.app-stores a:hover .store-badge {
    opacity: 1;
}

/* Footer */
footer {
    background: #0B1120;
    color: var(--white);
    padding: 5rem 2rem 2rem;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-about h3 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--white);
    background: none;
    -webkit-background-clip: initial;
    -webkit-text-fill-color: inherit;
}

.footer-links {
    align-self: flex-start;
}

.footer-support-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem 1.25rem;
    margin-top: 1.25rem;
}

.footer-support-item {
    display: flex;
    align-items: center;
    padding: 0.7rem 1.3rem;
    border-radius: 999px;
    border: 1px solid rgba(148, 163, 184, 0.4);
    background: transparent;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.82);
}

.footer-support-item:hover {
    border-color: var(--primary);
    background: rgba(15, 23, 42, 0.9);
    color: var(--white);
}

.footer-about p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-icon {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-icon:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.footer-links h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    display: block;
    margin-bottom: 0.8rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary);
}

.footer-bottom {
    max-width: 1400px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
}

/* ========== Tablet (≤ 1024px) ========== */
@media (max-width: 1024px) {
    .nav-container {
        padding: 1rem 1.5rem;
    }

    .hero {
        min-height: auto;
        padding: 2rem 0 3rem;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        padding: 2rem 1.5rem;
        text-align: center;
    }

    .hero h1 {
        font-size: 2.75rem;
    }

    .hero p {
        font-size: 1.05rem;
        margin-bottom: 2rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
        gap: 2rem;
        margin-top: 2rem;
    }

    .stat-number {
        font-size: 2.2rem;
    }

    .hero-banner-img img {
        max-height: 420px;
    }

    .floating-card-1,
    .floating-card-2 {
        display: none;
    }

    .features,
    .how-it-works,
    .testimonials {
        padding: 4rem 1.5rem;
    }

    .section-header {
        margin-bottom: 3rem;
    }

    .section-title {
        font-size: 2.2rem;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .feature-card {
        padding: 2rem;
    }

    .steps {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
        margin-top: 3rem;
    }

    .step::after {
        display: none;
    }

    .step-number {
        width: 80px;
        height: 80px;
        font-size: 2rem;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .cta-section {
        padding: 4rem 1.5rem;
    }

    .cta-container h2 {
        font-size: 2.5rem;
    }

    .cta-container p {
        font-size: 1.1rem;
    }

    .cta-buttons {
        flex-wrap: wrap;
        justify-content: center;
    }

    .footer-container {
        grid-template-columns: 1fr 1fr;
        gap: 2.5rem;
        padding: 0 1.5rem;
    }

    footer {
        padding: 3rem 1.5rem 2rem;
    }
}

/* ========== Mobile (≤ 768px) ========== */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        padding: 1rem;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(12px);
        border-bottom: 1px solid rgba(42, 89, 165, 0.1);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    }

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

    .nav-links li {
        border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    }

    .nav-links li:last-child {
        border-bottom: none;
    }

    .nav-links a {
        display: block;
        padding: 1rem 1.25rem;
        font-size: 1rem;
        min-height: 48px;
        display: flex;
        align-items: center;
    }

    .cta-nav {
        justify-content: center;
        margin-top: 0.5rem;
        min-height: 48px;
    }

    .hero {
        margin-top: 72px;
        padding: 1.5rem 0 2.5rem;
    }

    .hero-container {
        padding: 1.5rem 1rem;
    }

    .hero-badge {
        font-size: 0.8rem;
        padding: 0.45rem 1rem;
        margin-bottom: 1rem;
    }

    .hero h1 {
        font-size: 2rem;
        line-height: 1.2;
        margin-bottom: 1.25rem;
    }

    .hero p {
        font-size: 0.95rem;
        margin-bottom: 1.5rem;
        line-height: 1.7;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
        width: 100%;
        max-width: 320px;
        margin: 0 auto;
    }

    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
        min-height: 48px;
        padding: 1rem 1.5rem;
    }

    .hero-stats {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1.5rem;
        margin-top: 1.5rem;
    }

    .stat-number {
        font-size: 1.75rem;
    }

    .stat-label {
        font-size: 0.85rem;
    }

    .hero-banner-img img {
        max-height: 320px;
    }

    .features,
    .how-it-works,
    .testimonials {
        padding: 3rem 1rem;
    }

    .section-header {
        margin-bottom: 2rem;
    }

    .section-badge {
        font-size: 0.8rem;
        padding: 0.4rem 1rem;
    }

    .section-title {
        font-size: 1.5rem;
        margin-bottom: 1rem;
    }

    .section-subtitle {
        font-size: 0.95rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .feature-card {
        padding: 1.5rem;
    }

    .feature-icon {
        width: 56px;
        height: 56px;
        font-size: 1.5rem;
    }

    .feature-title {
        font-size: 1.05rem;
    }

    .feature-desc {
        font-size: 0.9rem;
    }

    .steps {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-top: 2rem;
    }

    .step-number {
        width: 64px;
        height: 64px;
        font-size: 1.75rem;
    }

    .step-title {
        font-size: 1rem;
    }

    .step-desc {
        font-size: 0.9rem;
    }

    .testimonials-grid {
        gap: 1.5rem;
        margin-top: 2rem;
    }

    .testimonial-card {
        padding: 1.5rem;
    }

    .testimonial-text {
        font-size: 0.95rem;
    }

    .cta-section {
        padding: 3rem 1rem;
    }

    .cta-container h2 {
        font-size: 1.75rem;
        margin-bottom: 1rem;
    }

    .cta-container p {
        font-size: 1rem;
        margin-bottom: 2rem;
    }

    .cta-buttons {
        flex-direction: column;
        width: 100%;
        max-width: 280px;
        margin: 0 auto;
    }

    .cta-buttons .btn {
        width: 100%;
        justify-content: center;
        min-height: 48px;
    }

    .app-stores {
        flex-direction: column;
        align-items: center;
        margin-top: 2rem;
    }

    .footer-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .footer-support-item {
        padding: 0.65rem 0.75rem;
        font-size: 0.85rem;
    }

    .footer-bottom {
        padding-top: 1.5rem;
        font-size: 0.8rem;
    }

    .footer-bottom p {
        line-height: 1.6;
    }

    .floating-card-1,
    .floating-card-2 {
        display: none;
    }
}

/* ========== Small mobile (≤ 480px) ========== */
@media (max-width: 480px) {
    .nav-container {
        padding: 0.75rem 1rem;
    }

    .logo {
        font-size: 1.25rem;
    }

    .logo img {
        height: 32px;
    }

    .hero h1 {
        font-size: 1.65rem;
    }

    .hero-banner-img img {
        max-height: 260px;
    }

    .section-title {
        font-size: 1.35rem;
    }

    .cta-container h2 {
        font-size: 1.5rem;
    }
}