/* Base Styles */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
    font-family: 'Inter', system-ui, Avenir, Helvetica, Arial, sans-serif;
    line-height: 1.5;
    font-weight: 400;
    color: #ffffff;
    background-color: #000000;
    font-synthesis: none;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    margin: 0;
    padding: 0;
    min-width: 320px;
    min-height: 100vh;
    background-color: #000000;
    color: #ffffff;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

/* Container */
.container {
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: #000000;
    color: #ffffff;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2.5rem 4rem;
    width: 100%;
    box-sizing: border-box;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 100;
    background: transparent;
}

.navbar.navbar-page {
    position: relative;
    background: #000000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    z-index: 101;
    text-decoration: none;
    color: inherit;
}

.logo {
    height: 44px;
    width: auto;
}

.brand-name {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.nav-item {
    font-size: 1.2rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.8);
    transition: color 0.2s;
}

.nav-item:hover {
    color: #fff;
}

.lang-btn {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: rgba(255, 255, 255, 0.8);
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
    text-decoration: none;
    display: inline-block;
}

.lang-btn:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.4);
}

/* Mobile Menu Button */
.mobile-only {
    display: none;
}

.menu-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
    width: 44px;
    height: 44px;
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 7px;
    z-index: 101;
}

.hamburger-line {
    width: 26px;
    height: 2px;
    background-color: #fff;
    transition: all 0.3s ease;
    transform-origin: center;
}

/* Mobile Menu Overlay */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 99;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 2rem;
    box-sizing: border-box;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.mobile-menu.active {
    opacity: 1;
    pointer-events: auto;
}

.mobile-menu-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
}

.mobile-nav-item {
    font-size: 2.5rem;
    font-weight: 700;
    color: #fff;
    text-decoration: none;
    padding: 1.25rem 0;
    transition: opacity 0.2s;
    text-align: left;
    width: 100%;
}

.mobile-nav-item:hover {
    opacity: 0.7;
}

.mobile-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.12);
    width: 100%;
}

.mobile-lang-btn {
    font-size: 1.3rem;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #fff;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    margin-top: 2rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s;
    text-align: left;
    text-decoration: none;
    display: inline-block;
}

/* Hero Section */
.hero {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    text-align: left;
    padding: 8rem 4rem 4rem 4rem;
    min-height: 100vh;
    box-sizing: border-box;
}

.hero-content {
    max-width: 1000px;
    width: 100%;
    animation: fadeInUp 0.8s ease;
}

.slogan {
    font-size: 6rem;
    font-weight: 800;
    line-height: 1.05;
    margin-bottom: 2rem;
    letter-spacing: -0.03em;
    color: #ffffff;
    margin-top: 0;
}

.description {
    font-size: 1.6rem;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 3rem;
    font-weight: 400;
    max-width: 650px;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, #007AFF 0%, #0055BB 100%);
    color: #ffffff;
    padding: 1.25rem 2.5rem;
    border-radius: 100px;
    font-size: 1.3rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
    box-shadow: 0 4px 20px rgba(0, 122, 255, 0.35);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 122, 255, 0.5);
}

/* Page Content (Privacy & Support) */
.page-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 3rem 4rem 5rem 4rem;
    min-height: 100vh;
    box-sizing: border-box;
}

.page-container {
    max-width: 800px;
    width: 100%;
    animation: fadeInUp 0.5s ease;
    text-align: left;
}

.page-meta {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 1rem;
}

.page-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
    color: #ffffff;
    margin-top: 0;
}

.page-intro {
    font-size: 1.35rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 3rem;
}

.content-section {
    padding: 2rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.content-section:last-child {
    border-bottom: none;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: #ffffff;
    margin-top: 0;
}

.section-text {
    font-size: 1.15rem;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.7);
    margin: 0 0 1rem 0;
}

.email-link {
    display: inline-block;
    font-size: 1.2rem;
    color: #4da3ff;
    text-decoration: none;
    margin-top: 0.75rem;
    font-weight: 500;
    transition: opacity 0.2s;
}

.email-link:hover {
    opacity: 0.8;
    text-decoration: underline;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Tablet */
@media (max-width: 1024px) {
    .slogan {
        font-size: 4.5rem;
    }

    .description {
        font-size: 1.4rem;
    }

    .navbar,
    .hero,
    .page-content {
        padding-left: 3rem;
        padding-right: 3rem;
    }

    .page-title {
        font-size: 3rem;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .desktop-only {
        display: none;
    }

    .mobile-only {
        display: flex;
    }

    .menu-btn {
        display: flex;
    }

    .navbar {
        padding: 1.5rem 2rem;
    }

    .logo {
        height: 42px;
    }

    .brand-name {
        font-size: 1.7rem;
    }

    .hero {
        padding: 8rem 2.5rem 3rem 2.5rem;
        justify-content: center;
    }

    .hero-content {
        max-width: 100%;
    }

    .slogan {
        font-size: 4rem;
        margin-bottom: 1.75rem;
        word-wrap: break-word;
        line-height: 1.08;
    }

    .description {
        font-size: 1.5rem;
        margin-bottom: 2.5rem;
        max-width: 100%;
        line-height: 1.5;
    }

    .cta-button {
        width: 100%;
        max-width: 100%;
        justify-content: center;
        padding: 1.35rem 2rem;
        font-size: 1.35rem;
        box-sizing: border-box;
    }

    .page-content {
        padding: 2rem 2.5rem 4rem 2.5rem;
    }

    .page-title {
        font-size: 2.75rem;
        margin-bottom: 1.5rem;
    }

    .page-meta {
        font-size: 1.1rem;
    }

    .page-intro {
        font-size: 1.4rem;
        line-height: 1.6;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .section-text {
        font-size: 1.25rem;
        line-height: 1.7;
    }

    .email-link {
        font-size: 1.3rem;
    }

    .content-section {
        padding: 2rem 0;
    }

    .mobile-menu {
        padding: 2rem 2.5rem;
    }

    .mobile-nav-item {
        font-size: 2.75rem;
        padding: 1.25rem 0;
    }

    .mobile-menu-content {
        padding-left: 0;
    }

    .mobile-lang-btn {
        font-size: 1.35rem;
        padding: 1.1rem 2.5rem;
    }
}

/* Small Mobile */
@media (max-width: 400px) {
    .navbar {
        padding: 1.25rem 1.5rem;
    }

    .hero {
        padding: 7rem 1.75rem 2.5rem 1.75rem;
    }

    .slogan {
        font-size: 3rem;
    }

    .description {
        font-size: 1.3rem;
    }

    .cta-button {
        font-size: 1.2rem;
        padding: 1.2rem 1.5rem;
    }

    .page-content {
        padding: 1.75rem 1.75rem 3rem 1.75rem;
    }

    .page-title {
        font-size: 2.25rem;
    }

    .page-intro {
        font-size: 1.25rem;
    }

    .section-title {
        font-size: 1.4rem;
    }

    .section-text {
        font-size: 1.15rem;
    }

    .mobile-menu {
        padding: 2rem 1.75rem;
    }

    .mobile-nav-item {
        font-size: 2.25rem;
    }
}