/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #dc2626;
    --primary-light: #2563eb20;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #ffffff;
    --background: #ffffff;
    --background-alt: #f8fafc;
    --border: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --border-radius-lg: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--background);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
.section__title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.section__subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

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

.btn--primary:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn--secondary {
    background: var(--text-primary);
    color: var(--text-light);
}

.btn--secondary:hover {
    background: #374151;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn--outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn--outline:hover {
    background: var(--primary-color);
    color: var(--text-light);
}

.btn--download {
    padding: 0;
    background: transparent;
    border: none;
}

.btn--download img {
    height: 60px;
    transition: var(--transition);
}

.btn--download:hover img {
    transform: scale(1.05);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 20px;
}

.nav__brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav__logo {
    height: 40px;
    width: auto;
}

.nav__title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav__link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
}

.nav__link:hover {
    color: var(--primary-color);
}

.nav__toggle {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--text-primary);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
}

.hero__background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.hero__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.1;
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.1));
}

.hero__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero__title {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text-light);
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero__highlight {
    color: #ffffff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero__description {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    opacity: 0.95;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.hero__buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero__phone {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 600px;
    padding: 2rem 0;
}

.hero__phone-image {
    max-width: 90%;
    max-height: 80vh;
    height: auto;
    width: auto;
    object-fit: contain;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    border: 3px solid rgba(255, 255, 255, 0.2);
}

/* Features Section */
.features {
    padding: 5rem 0;
    background: var(--background-alt);
}

.section__header {
    text-align: center;
    margin-bottom: 4rem;
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature {
    background: var(--background);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature__icon {
    width: 80px;
    height: 80px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: var(--primary-color);
}

.feature__title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.feature__description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* About Section */
.about {
    padding: 5rem 0;
    background: linear-gradient(45deg, var(--primary-light) 0%, rgba(255, 255, 255, 0.5) 50%, var(--primary-light) 100%);
}

.about__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about__info {
    margin-bottom: 2rem;
}

.about__info p {
    margin-bottom: 1.5rem;
}

.about__photo {
    width: 100%;
    height: 400px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.about__photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--border-radius-lg);
}

/* App Preview Section */
.app-preview {
    padding: 5rem 0;
    background: var(--background-alt);
}

.preview__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.preview__item {
    text-align: center;
    background: var(--background);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.preview__item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.preview__icon {
    width: 80px;
    height: 80px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: var(--primary-color);
}

.preview__item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.preview__item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Download Section */
.download {
    padding: 5rem 0;
    background: var(--primary-color);
    color: var(--text-light);
    text-align: center;
}

.download .section__title,
.download .section__subtitle {
    color: var(--text-light);
}

.download__buttons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.coming-soon-notice {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    font-size: 1.125rem;
    font-weight: 500;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.coming-soon-notice i {
    font-size: 1.5rem;
    color: var(--text-light);
}

/* Footer */
.footer {
    background: var(--text-primary);
    color: var(--text-light);
    padding: 3rem 0 1rem;
}

.footer__content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer__title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer__description {
    color: #d1d5db;
    line-height: 1.6;
}

.footer__contact p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: #d1d5db;
}

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

.footer__links a {
    color: #d1d5db;
    text-decoration: none;
    transition: var(--transition);
}

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

.footer__bottom {
    border-top: 1px solid #374151;
    padding-top: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.footer__credit {
    color: #9ca3af;
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav__menu {
        display: none;
    }

    .nav__toggle {
        display: block;
    }

    .hero__content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero__title {
        font-size: 2.5rem;
    }

    .hero__buttons {
        justify-content: center;
    }

    .hero__phone {
        min-height: 400px;
        padding: 1rem 0;
    }

    .hero__phone-image {
        max-width: 85%;
        max-height: 70vh;
    }

    .about__content {
        grid-template-columns: 1fr;
    }

    .section__title {
        font-size: 2rem;
    }

    .features__grid {
        grid-template-columns: 1fr;
    }

    .preview__grid {
        grid-template-columns: 1fr;
    }

    .download__buttons {
        flex-direction: column;
    }

    .footer__bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero__title {
        font-size: 2rem;
    }

    .hero__description {
        font-size: 1rem;
    }

    .hero__phone {
        min-height: 300px;
        padding: 0.5rem 0;
    }

    .hero__phone-image {
        max-width: 95%;
        max-height: 60vh;
    }

    .section__title {
        font-size: 1.75rem;
    }

    .feature {
        padding: 1.5rem;
    }

    .coming-soon-notice {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
}

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

.feature,
.preview__item {
    animation: fadeInUp 0.6s ease-out forwards;
    opacity: 0;
}

.feature:nth-child(1) { animation-delay: 0.1s; }
.feature:nth-child(2) { animation-delay: 0.2s; }
.feature:nth-child(3) { animation-delay: 0.3s; }
.feature:nth-child(4) { animation-delay: 0.4s; }
.feature:nth-child(5) { animation-delay: 0.5s; }
.feature:nth-child(6) { animation-delay: 0.6s; }

/* Conditional display for website buttons */
.btn--outline[href="#"],
.btn--outline[href=""],
a[href="#"].btn--outline,
a[href=""].btn--outline {
    display: none;
}

.footer__links a[href="#"],
.footer__links a[href=""] {
    display: none;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}