:root {
    --primary: #2563eb;
    --primary-light: #60a5fa;
    --bg: #f8fafc;
    --card-bg: rgba(255, 255, 255, 0.8);
    --text: #1e293b;
    --text-muted: #64748b;
    --glass-border: rgba(0, 0, 0, 0.05);
    --shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

header {
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: radial-gradient(circle at 100% 0%, rgba(37, 99, 235, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 0% 100%, rgba(96, 165, 250, 0.05) 0%, transparent 50%);
    position: relative;
    padding: 60px 0;
}

.hero-content {
    z-index: 10;
    max-width: 900px;
}

h1 {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 900;
    letter-spacing: -0.025em;
    margin-bottom: 1.5rem;
    color: var(--text);
    line-height: 1.1;
    animation: fadeInDown 0.8s ease-out;
    word-break: break-word;
}

.subtitle {
    font-size: clamp(1.1rem, 3vw, 1.35rem);
    color: var(--text-muted);
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.8s ease-out 0.2s both;
    padding: 0 1rem;
}

.cta-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.4s both;
    padding: 0 1rem;
}

/* Store Buttons */
.store-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.75rem;
    border-radius: 1rem;
    background: #000;
    color: #fff;
    text-decoration: none;
    transition: all 0.3s;
    border: 2px solid transparent;
    text-align: left;
    min-width: 180px;
}

.store-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.store-btn span {
    display: block;
}

.store-btn .small {
    font-size: 0.7rem;
    text-transform: uppercase;
    opacity: 0.7;
}

.store-btn .bold {
    font-size: 1.1rem;
    font-weight: 700;
}

.store-btn svg {
    width: 28px;
    height: 28px;
    fill: currentColor;
}

.store-btn.disabled {
    background: #f1f5f9;
    color: #94a3b8;
    cursor: default;
    position: relative;
}

.store-btn.disabled:hover {
    transform: none;
    box-shadow: none;
}

.store-btn.disabled::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: -40px;
    left: 50%;
    transform: translateX(-50%);
    background: #1e293b;
    color: #fff;
    padding: 0.4rem 0.8rem;
    border-radius: 0.5rem;
    font-size: 0.75rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s;
}

.store-btn.disabled:hover::after {
    opacity: 1;
    visibility: visible;
    bottom: -45px;
}

.features {
    padding: 80px 0;
    background-color: #fff;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 3rem;
}

.feature-card {
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.04);
    padding: 3rem 2.5rem;
    border-radius: 2.5rem;
    transition: all 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.04);
}

.feature-card::after {
    content: '→';
    position: absolute;
    bottom: 2rem;
    right: 2rem;
    font-size: 1.5rem;
    color: var(--primary);
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.4s ease;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.4s;
}

.feature-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.12);
    border-color: rgba(37, 99, 235, 0.2);
}

.feature-card:hover::after {
    opacity: 1;
    transform: translateX(0);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(-5deg);
    background: var(--primary);
    color: #fff;
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f0f7ff 0%, #e0efff 100%);
    color: var(--primary);
    width: 64px;
    height: 64px;
    border-radius: 1.25rem;
    transition: all 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
    border: 2px solid #fff;
    box-shadow: 0 8px 16px -4px rgba(37, 99, 235, 0.1);
}

.feature-card h3 {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text);
    letter-spacing: -0.01em;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.6;
    max-width: 90%;
}

.mockup-container {
    margin-top: 4rem;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.mockup-img {
    max-width: 100%;
    height: auto;
    border-radius: 3rem;
    box-shadow: 0 40px 100px -20px rgba(0, 0, 0, 0.08);
    transition: all 0.6s;
}

.mockup-img:hover {
    transform: scale(1.01);
    box-shadow: 0 60px 120px -20px rgba(0, 0, 0, 0.12);
}

.blog-section {
    padding: 60px 0;
    text-align: center;
}

.btn-blog {
    padding: 1.25rem 3rem;
    background: var(--text);
    color: #fff;
    border-radius: 1.5rem;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 1rem;
}

.btn-blog:hover {
    background: var(--primary);
    transform: scale(1.05);
}

footer {
    padding: 40px 0;
    border-top: 1px solid var(--glass-border);
    text-align: center;
    color: var(--text-muted);
}

.lang-switcher {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 100;
}

select {
    background: rgba(255, 255, 255, 0.9);
    color: var(--text);
    border: 1px solid var(--glass-border);
    padding: 0.6rem 1.2rem;
    border-radius: 1rem;
    backdrop-filter: blur(10px);
    cursor: pointer;
    font-weight: 600;
    box-shadow: var(--shadow);
}

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

.faq {
    padding: 80px 0;
    background-color: var(--bg);
}

.faq h2 {
    text-align: center;
    font-size: 2.25rem;
    margin-bottom: 3.5rem;
}

.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: #fff;
    border-radius: 1.25rem;
    margin-bottom: 1rem;
    border: 1px solid var(--glass-border);
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 10px 30px -10px rgba(37, 99, 235, 0.1);
    transform: translateY(-2px);
}

.faq-question {
    width: 100%;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: none;
    border: none;
    outline: none;
    cursor: pointer;
    text-align: left;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text);
    font-family: inherit;
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--primary);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background-color: rgba(37, 99, 235, 0.02);
}

.faq-answer-content {
    padding: 0 2rem 1.5rem 2rem;
}

.faq-answer p {
    color: var(--text-muted);
    line-height: 1.6;
    margin: 0;
}

.faq-item.active {
    border-color: var(--primary-light);
}

/* Mobile-Specific Tweaks */
@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }

    header {
        padding: 80px 0 40px 0;
        min-height: auto;
    }

    .lang-switcher {
        position: absolute;
        top: 1rem;
        right: 1rem;
    }

    select {
        padding: 0.4rem 0.8rem;
        font-size: 0.9rem;
    }

    .features {
        padding: 60px 0;
    }

    .features-grid {
        gap: 1.5rem;
        grid-template-columns: 1fr;
    }

    .feature-card {
        padding: 2rem;
    }

    .faq h2 {
        font-size: 1.8rem;
    }

    .faq-question {
        padding: 1.25rem 1.5rem;
        font-size: 1.1rem;
    }

    .faq-answer-content {
        padding: 0 1.5rem 1.25rem 1.5rem;
    }

    .store-btn {
        width: 100%;
        max-width: 250px;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2.2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .cta-group {
        flex-direction: column;
        width: 100%;
    }

    .store-btn {
        width: 100%;
    }
}