/* landing.css - Landing page specific styles */

/* Hero Section */
.hero {
    text-align: center;
    padding: 80px 20px 60px;
    max-width: 900px;
    margin: 0 auto;
}

.hero-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto 32px;
    filter: drop-shadow(0 4px 12px rgba(18, 105, 101, 0.3));
    border-radius: 24px;
}

.hero h1 {
    margin-bottom: 16px;
    font-size: 3rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--on-surface-variant);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

/* Screenshots Section */
.screenshots {
    padding: 80px 20px;
    background-color: var(--surface-container);
    overflow: hidden;
}

.screenshots-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px 32px;
    overflow: hidden;
}

/*
 * Adaptive card stack.
 * Cards are laid out in a flex row and overlap via negative left margin.
 * Rotation is applied to each card independently — the flex container
 * then centers the already-tilted group naturally.
 * --card-size: width of each card (adapts with min())
 * --neg-margin: negative left margin = -20% of card-size (creates 20% overlap)
 */
.card-stack {
    --card-size: min(280px, 32vw);
    --neg-margin: calc(var(--card-size) * -0.2);

    display: inline-flex;
    align-items: center;
}

.card-stack .device-screen {
    width: var(--card-size);
}

.card-stack .device-mockup {
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

/* Every card except the first pulls left by 20% of card-size */
.card-stack .device-mockup + .device-mockup {
    margin-left: var(--neg-margin);
}

.card-stack .card-4 { transform: rotate(-9deg); z-index: 1; }
.card-stack .card-1 { transform: rotate(-3deg); z-index: 2; }
.card-stack .card-3 { transform: rotate(3deg);  z-index: 3; }
.card-stack .card-2 { transform: rotate(9deg);  z-index: 4; }

.card-stack .card-4:hover { transform: rotate(-9deg) translateY(-16px) scale(1.05); z-index: 10; }
.card-stack .card-1:hover { transform: rotate(-3deg) translateY(-16px) scale(1.05); z-index: 10; }
.card-stack .card-3:hover { transform: rotate(3deg)  translateY(-16px) scale(1.05); z-index: 10; }
.card-stack .card-2:hover { transform: rotate(9deg)  translateY(-16px) scale(1.05); z-index: 10; }

/* Beta Section */
.beta {
    padding: 80px 20px;
}

.beta-container {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.beta-container h2 {
    margin-bottom: 12px;
}

.beta-subtitle {
    font-size: 1.1rem;
    margin-bottom: 48px;
}

.beta-platforms {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    text-align: left;
}

.beta-card {
    background-color: var(--surface-container);
    border-radius: 16px;
    padding: 28px;
    border: 1px solid var(--outline-variant);
}

.beta-platform-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 24px;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--on-surface);
}

.beta-platform-icon {
    width: 22px;
    height: 22px;
    color: var(--primary);
    flex-shrink: 0;
}

.beta-steps {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.beta-step {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.step-number {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background-color: var(--primary);
    color: var(--on-primary);
    font-size: 0.85rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
}

.step-content p {
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.beta-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background-color: var(--primary);
    color: var(--on-primary);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
}

.beta-link:hover {
    background-color: var(--on-primary-container);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(18, 105, 101, 0.3);
    opacity: 1;
}

@media (max-width: 768px) {
    .beta-platforms {
        grid-template-columns: 1fr;
    }

    .beta {
        padding: 60px 20px;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero {
        padding: 60px 20px 40px;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero-icon {
        width: 100px;
        height: 100px;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
        padding: 0 20px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 40px 16px 32px;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .hero-icon {
        width: 80px;
        height: 80px;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    /* Narrow screens: hide outer 2 cards, show only cards 3 and 2 */
    .card-stack .card-4,
    .card-stack .card-1 {
        display: none;
    }

    /* card-size adapts so the pair fits within the padded container */
    .card-stack {
        --card-size: min(200px, calc((100vw - 64px) / 1.8));
    }

    /* Flip order for mobile: card-2 on left, card-3 on right */
    .card-stack .card-2 { order: 1; transform: rotate(-5deg); }
    .card-stack .card-3 { order: 2; transform: rotate(5deg);  }

    .card-stack .card-2:hover { transform: rotate(-5deg) translateY(-16px) scale(1.05); }
    .card-stack .card-3:hover { transform: rotate(5deg)  translateY(-16px) scale(1.05); }
}