/**
 * Future Helper - Clean Landing Stylesheet (assets/css/landing.css)
 * Streamlined, responsive, modern, and lightweight.
 */

.landing-body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: var(--font-sans);
}

/* ── 1. Top Navbar ── */
.landing-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
}

[data-theme="dark"] .landing-header {
    background: rgba(17, 24, 39, 0.85);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.landing-nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px 20px;
    min-height: 68px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.landing-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    text-decoration: none;
    color: var(--text-main);
}

.landing-logo {
    width: 36px;
    height: 36px;
    border-radius: 9px;
    background: linear-gradient(135deg, #4f46e5, #06b6d4);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 800;
    font-size: 16px;
    box-shadow: 0 4px 10px rgba(79, 70, 229, 0.25);
}

.landing-brand-title {
    font-size: 17px;
    font-weight: 800;
    line-height: 1.1;
    white-space: nowrap;
    color: var(--text-main);
}

.landing-brand-tag {
    font-size: 11px;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.landing-nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.theme-toggle-btn {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: var(--bg-surface);
    color: var(--text-main);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s ease;
}

.theme-toggle-btn:hover {
    background: var(--bg-muted);
    color: var(--primary);
}

/* ── 2. Hero Section ── */
.landing-main {
    flex: 1;
    display: flex;
    align-items: center;
}

.landing-hero {
    width: 100%;
    padding: 56px 20px;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 9999px;
    background: var(--primary-soft);
    border: 1px solid rgba(79, 70, 229, 0.2);
    color: var(--primary);
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 20px;
}

.hero-title {
    font-size: clamp(28px, 4.5vw, 44px);
    font-weight: 900;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--text-main);
    max-width: 820px;
    margin: 0 auto;
}

.hero-title .gradient-text {
    background: linear-gradient(135deg, #4f46e5 0%, #06b6d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    font-size: clamp(14px, 2vw, 16.5px);
    line-height: 1.6;
    color: var(--text-muted);
    max-width: 680px;
    margin: 0 auto 28px;
}

.hero-cta-group {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.btn-hero-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 9px;
    background: var(--primary);
    color: #fff !important;
    font-size: 14.5px;
    font-weight: 700;
    box-shadow: 0 4px 14px rgba(79, 70, 229, 0.3);
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn-hero-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(79, 70, 229, 0.4);
}

.btn-hero-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 22px;
    border-radius: 9px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    font-size: 14.5px;
    font-weight: 700;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn-hero-secondary:hover {
    background: var(--bg-muted);
    transform: translateY(-2px);
}

/* ── 3. Module Cards Section ── */
.landing-cards-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-header-compact {
    text-align: center;
    margin-bottom: 24px;
}

.section-title-sm {
    font-size: 22px;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 6px;
}

.section-desc-sm {
    font-size: 13.5px;
    color: var(--text-muted);
    margin: 0;
}

@media (max-width: 600px) {
    .landing-nav-container {
        padding: 10px 16px;
        gap: 8px;
    }
    .landing-brand {
        gap: 8px;
    }
    .landing-brand-title {
        font-size: 14px;
    }
    .landing-brand-tag {
        font-size: 9px;
    }
    .landing-nav-actions {
        gap: 6px;
    }
    .landing-nav-actions .btn-sm {
        padding-right: 9px;
        padding-left: 9px;
    }
    .theme-toggle-btn {
        width: 32px;
        height: 32px;
        flex-shrink: 0;
    }
    .landing-hero {
        padding: 40px 16px;
    }
    .landing-cards-section {
        padding: 0 16px;
    }
}

@media (max-width: 380px) {
    .landing-nav-container {
        padding-right: 12px;
        padding-left: 12px;
        gap: 6px;
    }
    .landing-brand {
        gap: 7px;
    }
    .landing-logo {
        width: 32px;
        height: 32px;
    }
    .landing-brand-title {
        font-size: 12px;
    }
    .landing-brand-tag {
        font-size: 8px;
    }
    .landing-nav-actions {
        gap: 4px;
    }
    .landing-nav-actions .btn-sm {
        padding-right: 7px;
        padding-left: 7px;
    }
}