/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3rem;
    font-weight: 700;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
    color: #666;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    justify-content: center;
}

.btn--primary {
    background: linear-gradient(135deg, rgb(190, 50, 33) 0%, rgb(160, 40, 25) 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(46, 134, 171, 0.3);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(46, 134, 171, 0.4);
}

.btn--secondary {
    background: transparent;
    color: rgb(190, 50, 33);
    border: 2px solid rgb(190, 50, 33);
}

.btn--secondary:hover {
    background: rgb(190, 50, 33);
    color: white;
    transform: translateY(-2px);
}

.btn--large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.nav__brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav__logo {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.nav__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: rgb(190, 50, 33);
}

.nav__menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav__link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav__link:hover {
    color: rgb(190, 50, 33);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: rgb(190, 50, 33);
    transition: width 0.3s ease;
}

.nav__link:hover::after {
    width: 100%;
}

.nav__toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav__toggle-line {
    width: 25px;
    height: 3px;
    background: #333;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    overflow: hidden;
}

.hero__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero__title {
    font-size: 3.5rem;
    font-weight: 700;
    color: rgb(190, 50, 33);
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero__description {
    font-size: 1.25rem;
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero__buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.hero__stats {
    display: flex;
    gap: 2rem;
}

.hero__stat {
    text-align: center;
}

.hero__stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: rgb(190, 50, 33);
}

.hero__stat-label {
    font-size: 0.9rem;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero__image {
    position: relative;
}

.hero__img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: transform 0.3s ease;
}

.hero__img:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

/* Section Styles */
.section__header {
    text-align: center;
    margin-bottom: 4rem;
}

.section__title {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 1rem;
}

.section__description {
    font-size: 1.25rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: white;
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature__card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    text-align: center;
}

.feature__card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.feature__icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgb(190, 50, 33) 0%, rgb(160, 40, 25) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
}

.feature__title {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 1rem;
}

.feature__description {
    color: #666;
    line-height: 1.6;
}

/* Download Section */
.download {
    padding: 80px 0;
    background: linear-gradient(135deg, rgb(190, 50, 33) 0%, rgb(160, 40, 25) 100%);
    color: white;
}

.download__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.download__title {
    font-size: 2.5rem;
    color: white;
    margin-bottom: 1.5rem;
}

.download__description {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.download__info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

.download__info-item {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.download__info-label {
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

.download__info-value {
    color: white;
    font-weight: 600;
}

.download__actions {
    text-align: center;
}

.download__note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

.adsense-banner {
    margin-top: 3rem;
    text-align: center;
}

/* Support Section */
.support {
    padding: 80px 0;
    background: #f8f9fa;
}

.support__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.support__card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: all 0.3s ease;
}

.support__card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.support__icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgb(190, 50, 33) 0%, rgb(160, 40, 25) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
}

.support__title {
    font-size: 1.25rem;
    color: #333;
    margin-bottom: 1rem;
}

.support__description {
    color: #666;
    margin-bottom: 1rem;
}

.support__link {
    color: rgb(190, 50, 33);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.support__link:hover {
    color: rgb(160, 40, 25);
}

/* FAQ Section */
.faq {
    padding: 80px 0;
    background: white;
}

.faq__list {
    max-width: 800px;
    margin: 0 auto;
}

.faq__item {
    border: 1px solid #e9ecef;
    border-radius: 8px;
    margin-bottom: 1rem;
    overflow: hidden;
}

.faq__question {
    width: 100%;
    padding: 1.5rem;
    background: white;
    border: none;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.1rem;
    font-weight: 500;
    color: #333;
    transition: background-color 0.3s ease;
}

.faq__question:hover {
    background: #f8f9fa;
}

.faq__icon {
    transition: transform 0.3s ease;
}

.faq__item.active .faq__icon {
    transform: rotate(180deg);
}

.faq__answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    background: #f8f9fa;
}

.faq__item.active .faq__answer {
    padding: 1.5rem;
    max-height: 200px;
}

.faq__answer p {
    margin: 0;
    color: #666;
    line-height: 1.6;
}

/* Footer */
.footer {
    background: #2c3e50;
    color: white;
    padding: 60px 0 20px;
}

.footer__content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer__brand {
    max-width: 400px;
}

.footer__logo {
    width: 50px;
    height: 50px;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.footer__title {
    font-size: 1.5rem;
    color: white;
    margin-bottom: 1rem;
}

.footer__description {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.footer__links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer__column-title {
    font-size: 1.1rem;
    color: white;
    margin-bottom: 1rem;
}

.footer__list {
    list-style: none;
}

.footer__list li {
    margin-bottom: 0.5rem;
}

.footer__link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer__link:hover {
    color: white;
}

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__copyright {
    color: rgba(255, 255, 255, 0.8);
}

.footer__social {
    display: flex;
    gap: 1rem;
}

.footer__social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer__social-link:hover {
    background: rgb(190, 50, 33);
    transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav__menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: white;
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 2rem;
        transition: left 0.3s ease;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    }

    .nav__menu.active {
        left: 0;
    }

    .nav__toggle {
        display: flex;
    }

    .nav__toggle.active .nav__toggle-line:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav__toggle.active .nav__toggle-line:nth-child(2) {
        opacity: 0;
    }

    .nav__toggle.active .nav__toggle-line:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .hero__content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .hero__title {
        font-size: 2.5rem;
    }

    .hero__buttons {
        justify-content: center;
        flex-wrap: wrap;
    }

    .hero__stats {
        justify-content: center;
    }

    .features__grid {
        grid-template-columns: 1fr;
    }

    .download__content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .download__info {
        grid-template-columns: 1fr;
    }

    .support__grid {
        grid-template-columns: 1fr;
    }

    .footer__content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer__links {
        grid-template-columns: 1fr;
    }

    .footer__bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .section__title {
        font-size: 2rem;
    }

    h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero__title {
        font-size: 2rem;
    }

    .hero__description {
        font-size: 1.1rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .btn--large {
        padding: 14px 28px;
        font-size: 1rem;
    }

    .feature__card,
    .support__card {
        padding: 1.5rem;
    }

    .download__title {
        font-size: 2rem;
    }

    .section__title {
        font-size: 1.75rem;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero__content > * {
    animation: fadeInUp 0.6s ease-out;
}

.hero__content > *:nth-child(2) {
    animation-delay: 0.2s;
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for accessibility */
.btn:focus,
.nav__link:focus,
.faq__question:focus {
    outline: 2px solid rgb(190, 50, 33);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .header,
    .footer,
    .adsense-banner {
        display: none;
    }
    
    .hero {
        padding: 20px 0;
    }
    
    .hero__content {
        grid-template-columns: 1fr;
    }
}
