/* ============================================
   Landing Page — Memo
   ============================================ */

.landing-body {
    background-color: var(--color-white);
    overflow-x: hidden;
}

/* ---- Header ---- */

.landing-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1080px;
    margin: 0 auto;
    padding: 1.25rem 1.5rem;
}

.landing-logo {
    height: 32px;
    display: block;
}

.landing-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.landing-nav-link {
    color: var(--color-primary);
    font-weight: 500;
    font-size: 0.925rem;
    transition: color 0.2s;
}

.landing-nav-link:hover {
    color: var(--color-secondary);
}

/* ---- Buttons ---- */

.landing-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--color-secondary);
    color: var(--color-white) !important;
    padding: 0.575rem 1.25rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.925rem;
    text-decoration: none;
    transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
}

.landing-btn:hover {
    background: var(--color-secondary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(43, 181, 160, 0.25);
}

.landing-btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: 2px solid var(--color-secondary);
    color: var(--color-secondary) !important;
    padding: calc(0.575rem - 2px) calc(1.25rem - 2px);
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.925rem;
    text-decoration: none;
    transition: background 0.2s, color 0.2s, transform 0.15s;
}

.landing-btn-outline:hover {
    background: var(--color-secondary);
    color: var(--color-white) !important;
    transform: translateY(-1px);
}

.landing-btn-lg {
    padding: 0.8rem 2rem;
    font-size: 1.05rem;
}

.landing-btn-outline.landing-btn-lg {
    padding: calc(0.8rem - 2px) calc(2rem - 2px);
}

/* White variants for dark CTA section */

.landing-btn-white {
    background: var(--color-white);
    color: var(--color-primary) !important;
}

.landing-btn-white:hover {
    background: var(--color-background);
    box-shadow: 0 4px 16px rgba(255, 255, 255, 0.15);
}

.landing-btn-outline-white {
    border-color: rgba(255, 255, 255, 0.35);
    color: rgba(255, 255, 255, 0.9) !important;
}

.landing-btn-outline-white:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-white);
    color: var(--color-white) !important;
}

/* ---- Hero ---- */

.landing-hero {
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
    padding: 5rem 1.5rem 6rem;
    position: relative;
    background:
        radial-gradient(ellipse at 20% 0%, rgba(43, 181, 160, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 100%, rgba(43, 181, 160, 0.04) 0%, transparent 50%);
    animation: landing-fadeInUp 0.6s ease-out both;
}

.landing-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(43, 181, 160, 0.08);
    color: var(--color-secondary);
    padding: 0.4rem 1rem;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    margin-bottom: 1.5rem;
}

.landing-badge i {
    font-size: 0.75rem;
}

.landing-hero h1 {
    font-size: 3rem;
    line-height: 1.15;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 1.25rem;
    letter-spacing: -0.025em;
}

.landing-hero-sub {
    font-size: 1.15rem;
    color: #555;
    line-height: 1.7;
    margin-bottom: 2.5rem;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

.landing-hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ---- Section Intro ---- */

.landing-section-intro {
    text-align: center;
    margin-bottom: 3rem;
}

.landing-section-intro h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.landing-section-intro p {
    font-size: 1.1rem;
    color: #666;
}

/* ---- Features ---- */

.landing-features {
    max-width: 1080px;
    margin: 0 auto;
    padding: 4rem 1.5rem 5rem;
    animation: landing-fadeInUp 0.6s 0.15s ease-out both;
}

.landing-features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.landing-feature-card {
    background: var(--color-white);
    border: 1px solid var(--color-border-subtle);
    border-radius: 12px;
    padding: 2rem 1.5rem;
    transition: transform 0.2s, box-shadow 0.2s;
    position: relative;
}

.landing-feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-secondary);
    border-radius: 12px 12px 0 0;
    opacity: 0;
    transition: opacity 0.2s;
}

.landing-feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.landing-feature-card:hover::before {
    opacity: 1;
}

.landing-feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(43, 181, 160, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    color: var(--color-secondary);
    font-size: 1.2rem;
}

.landing-feature-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.landing-feature-card p {
    font-size: 0.9rem;
    color: #666;
    line-height: 1.6;
}

/* ---- How It Works ---- */

.landing-how {
    background: var(--color-background);
    padding: 5rem 1.5rem;
    animation: landing-fadeInUp 0.6s 0.3s ease-out both;
}

.landing-steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 1rem;
    max-width: 1080px;
    margin: 0 auto;
}

.landing-step {
    text-align: center;
    flex: 1;
    max-width: 200px;
}

.landing-step-number {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-secondary);
    background: rgba(43, 181, 160, 0.08);
    width: 24px;
    height: 24px;
    border-radius: 100px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.landing-step-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: var(--color-white);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
    color: var(--color-secondary);
    font-size: 1.3rem;
}

.landing-step h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.375rem;
}

.landing-step p {
    font-size: 0.875rem;
    color: #666;
    line-height: 1.5;
}

.landing-step-connector {
    color: var(--color-border-subtle);
    font-size: 0.875rem;
    padding-top: 4.5rem;
    flex-shrink: 0;
}

/* ---- CTA ---- */

.landing-cta {
    text-align: center;
    padding: 5rem 1.5rem;
    background: var(--color-menubar);
    position: relative;
    overflow: hidden;
}

.landing-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(43, 181, 160, 0.2) 0%, transparent 60%);
    pointer-events: none;
}

.landing-cta h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
    position: relative;
}

.landing-cta > p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 1.1rem;
    margin-bottom: 2rem;
    position: relative;
}

.landing-cta .landing-hero-actions {
    position: relative;
}

/* ---- Footer ---- */

.landing-footer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.75rem;
    padding: 2rem 1.5rem;
    color: #999;
    font-size: 0.825rem;
}

.landing-footer a {
    color: #999;
    transition: color 0.2s;
}

.landing-footer a:hover {
    color: var(--color-secondary);
}

/* ---- Animations ---- */

@keyframes landing-fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ---- Responsive ---- */

@media (max-width: 768px) {
    .landing-hero {
        padding: 3rem 1.25rem 4rem;
    }

    .landing-hero h1 {
        font-size: 2rem;
    }

    .landing-hero h1 br {
        display: none;
    }

    .landing-hero-sub {
        font-size: 1.05rem;
    }

    .landing-features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .landing-section-intro h2 {
        font-size: 1.6rem;
    }

    .landing-steps {
        flex-direction: column;
        align-items: center;
        gap: 0;
    }

    .landing-step {
        max-width: 300px;
    }

    .landing-step-connector {
        padding-top: 0;
        transform: rotate(90deg);
        margin: 0.5rem 0;
    }

    .landing-cta h2 {
        font-size: 1.6rem;
    }
}

@media (max-width: 480px) {
    .landing-header {
        padding: 1rem;
    }

    .landing-hero {
        padding: 2.5rem 1rem 3rem;
    }

    .landing-hero h1 {
        font-size: 1.75rem;
    }

    .landing-features {
        padding: 3rem 1rem 4rem;
    }

    .landing-features-grid {
        grid-template-columns: 1fr;
    }

    .landing-how {
        padding: 3rem 1rem;
    }

    .landing-cta {
        padding: 3.5rem 1rem;
    }

    .landing-hero-actions {
        flex-direction: column;
        align-items: center;
    }
}